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Swapping to drag radials today, test tonight
#2386921
10/13/17 04:21 PM
10/13/17 04:21 PM
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Joined: Jan 2003
Posts: 11,713
Portage,michigan
B3422W5
OP
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OP
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Portage,michigan
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Curious to see if the car likes them.
Taking off 28 11.5 QTP's, installing Hoosier 275 drag radials
Hoping the car " feels" like it has a touch more gear with no growth
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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Re: Swapping to drag radials today, test tonight
[Re: B3422W5]
#2386933
10/13/17 04:47 PM
10/13/17 04:47 PM
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Joined: Jan 2004
Posts: 4,566
Motor City
6PKRTSE
master
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master
Joined: Jan 2004
Posts: 4,566
Motor City
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Do a much shorter burnout with them. large burnouts are not needed. Good luck.
1963 Belvedere 440 Max Wedge Tribute
1970 Charger R/T S.E. 440 Six Pack
1970 Challenger R/T, 528 Hemi
1970 Charger 500 S.E. 440 4 BBL
1970 Plymouth Road Runner 383
1974 Chrysler New Yorker 440
1996 2500 RAM 488 V-10 4X4
2004 3500 Dually Cummins 4x4
2012 Challenger R/T Classic.
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Re: Swapping to drag radials today, test tonight
[Re: B3422W5]
#2386935
10/13/17 04:48 PM
10/13/17 04:48 PM
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Joined: Jan 2003
Posts: 11,713
Portage,michigan
B3422W5
OP
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OP
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Portage,michigan
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Quick question too. Have QA1 singles on the back( coilovers with ladderbar suspension)
Would it make sense to loosen the shocks up a couple of clicks wifh the radials?
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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Re: Swapping to drag radials today, test tonight
[Re: B3422W5]
#2386992
10/13/17 06:12 PM
10/13/17 06:12 PM
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Joined: Aug 2003
Posts: 3,245
Between a rock & a hard place
cudadoug
master
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master
Joined: Aug 2003
Posts: 3,245
Between a rock & a hard place
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Quick question too. Have QA1 singles on the back( coilovers with ladderbar suspension)
Would it make sense to loosen the shocks up a couple of clicks wifh the radials? Maybe. But after you make that first lap with no changes other than the tires. Otherwise you won't know what did what.
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Re: Swapping to drag radials today, test tonight
[Re: B3422W5]
#2387004
10/13/17 06:47 PM
10/13/17 06:47 PM
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Joined: Jan 2003
Posts: 3,871
Smyrna, South Carolina
STEFF
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master
Joined: Jan 2003
Posts: 3,871
Smyrna, South Carolina
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Yeah, its not that simple. You need to figure out what it likes. Like mentioned above, make a couple base line passes to start, then make one change at a time to see if it liked it. Try it a couple clicks looser than your baseline setting, see what it does. If better, keep loosening until it falls off. Then go tighter a couple clicks at a time till it falls off. Hopefully you get good track prep for the Drag Radials.
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Re: Swapping to drag radials today, test tonight
[Re: STEFF]
#2387052
10/13/17 09:06 PM
10/13/17 09:06 PM
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Joined: Aug 2003
Posts: 4,981
new jersey usa
11secdart
master
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master
Joined: Aug 2003
Posts: 4,981
new jersey usa
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I made the same switch a few months ago, I like them I can run more pressure and its more stable top end. I ran tubes in my Q.T.P.s I am not with the drag radials. My 60 fts got a little better ( low 1.50s) but I did a gear swap at they same time ( 4.10s to 4.30s) so I don`t know which helped lower the 60 ft. Good Luck with them!
68 Dart 410 / 904
92 D150 original owner
21 Ram 1500 Quad Cab, Big Horn , Hemi ,4x4
23 Audi Q5
16 Honda HRV
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Re: Swapping to drag radials today, test tonight
[Re: B3422W5]
#2387091
10/13/17 10:12 PM
10/13/17 10:12 PM
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Joined: Jan 2003
Posts: 11,713
Portage,michigan
B3422W5
OP
I Live Here
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OP
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Portage,michigan
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Still at the track. Going to make one more hit and call it a season
New best each pass
11.40, 11.38, 11.36
All three with a 1.61 60 foot. Previous best 1.62.
Can't wait to get the right converter in this car, doggy out of the gate.
I am convinced this thing will dip into the 10's with swapping to a 904, fresh air hood, and having the converter right, its WAY off
While car was on lift I loosened shocks two clicks. Haven't touched it since
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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Re: Swapping to drag radials today, test tonight
[Re: B3422W5]
#2387124
10/13/17 11:17 PM
10/13/17 11:17 PM
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Joined: Jan 2003
Posts: 11,713
Portage,michigan
B3422W5
OP
I Live Here
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OP
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Joined: Jan 2003
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Portage,michigan
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Still here.
Car just surprised me.......... air getting good
11.26@ 118.40 with a 1.58 60 foot.... yee friggin ha.
Now my brother is making me back that pass up. So waiting in line for 5th and final pass.
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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Re: Swapping to drag radials today, test tonight
[Re: B3422W5]
#2387174
10/14/17 01:41 AM
10/14/17 01:41 AM
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Joined: Jan 2003
Posts: 11,713
Portage,michigan
B3422W5
OP
I Live Here
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OP
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Portage,michigan
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Fell of a little on the last pass. Couldnt equal the 26
Here is the slip on my best pass..... best so far in this car
RT....0589
60.....1.5861
330....4.5915
1/8.....7.1503
1/8 mph....95.54
1000... 9.3741
1000 mph..109.4
1320.....11.2690
Mph..........118.48
There is nothing it doesnt like with radials. No bias tires for me ever again
Really pretty tickled, she is headed on the path to 10's i hope. After many years, i am surprised to find myself getting the itch again. Keeps me breathing. I thought i might be gettin to old to really dig this again...... but must be i aint.... lol... lol......
Last edited by B3422W5; 10/14/17 01:46 AM.
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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Re: Swapping to drag radials today, test tonight
[Re: B3422W5]
#2387239
10/14/17 09:39 AM
10/14/17 09:39 AM
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Joined: Jan 2003
Posts: 8,027
Tulsa OK
Bad340fish
master
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master
Joined: Jan 2003
Posts: 8,027
Tulsa OK
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Nice runs.
I have been running drag radials for a few years now. Last year I broke my 3.91 gears and swapped in some 4.56s and a friend gave me some 28" Bias Ply Slicks to use because I needed the extra height. It felt weird going back to that little bit of sway down track. The car went a 1.58 60ft on the bias ply and over the winter I changed over to a 28x10.5 Pro Bracket Radial, first pass was a 1.52 60ft. Like everyone has said though they do get unpredictable when track conditions go away.
68 Barracuda Formula S 340
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Re: Swapping to drag radials today, test tonight
[Re: RAY1969CARS]
#2387249
10/14/17 10:26 AM
10/14/17 10:26 AM
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Joined: Jan 2003
Posts: 11,713
Portage,michigan
B3422W5
OP
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OP
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Where are you at What strip
Michigan. US131 Motorsports Park
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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Re: Swapping to drag radials today, test tonight
[Re: B3422W5]
#2387258
10/14/17 11:06 AM
10/14/17 11:06 AM
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Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
BradH
Taking time off to work on my car
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Taking time off to work on my car
Joined: Jan 2003
Posts: 15,439
Val-haul-ass... eventually
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...
There is nothing it doesnt like with radials. No bias tires for me ever again
As long as the track(s) where you go prep reasonably well, you're good. The ones that don't will bring out a radial's evil twin,, "Slippy".
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Re: Swapping to drag radials today, test tonight
[Re: BradH]
#2387263
10/14/17 11:21 AM
10/14/17 11:21 AM
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Joined: Jan 2003
Posts: 11,713
Portage,michigan
B3422W5
OP
I Live Here
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OP
I Live Here
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...
There is nothing it doesnt like with radials. No bias tires for me ever again
As long as the track(s) where you go prep reasonably well, you're good. The ones that don't will bring out a radial's evil twin,, "Slippy". 99% of my racing will be at either US131 or Norwalk. Both are excellent facilities/ tracks that always have hook.
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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Re: Swapping to drag radials today, test tonight
[Re: 70dusterjohn]
#2387268
10/14/17 11:31 AM
10/14/17 11:31 AM
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Joined: Jan 2003
Posts: 8,027
Tulsa OK
Bad340fish
master
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master
Joined: Jan 2003
Posts: 8,027
Tulsa OK
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Call M/T ... The reason the radial PRO was design was for marginal tracks ... they took the feed back from the racers and designed a tire that just flat out works if you go to a track that is just not prepped at all yes you will have a problem. I think I still have some shock tuning to do with mine, the few times it has spun on a marginal track it has hooked first then lost it shortly into the run.(I log driveshaft RPM so its easy to see)
68 Barracuda Formula S 340
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Re: Swapping to drag radials today, test tonight
[Re: B3422W5]
#2387289
10/14/17 12:07 PM
10/14/17 12:07 PM
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Joined: Jan 2003
Posts: 11,713
Portage,michigan
B3422W5
OP
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OP
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I had a thought to try shifting it at 6500 last night just for the heck of it instead of 6000, where i currently shift it at but never ended up trying it.
My hope is not leaning on it will help this thing live a happy life. Next year when i get it back in good air i will try it though just to see.
Last edited by B3422W5; 10/14/17 12:18 PM.
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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Re: Swapping to drag radials today, test tonight
[Re: B3422W5]
#2387304
10/14/17 12:39 PM
10/14/17 12:39 PM
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Joined: Jan 2003
Posts: 17,918
Akron, Ohio
ProSport
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I Live Here
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Akron, Ohio
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That's great Don! This year was my first time trying the 275 drag radial and I also loved them.  Car just goes straight with no movement or drama like slicks normally do. You made some huge improvements already. And it's really cool that your brother has my father-in-law's old Dart now. 
1970 Challenger, all aluminum 528 Hemi, HDK suspension, Tremec 5 speed manual
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Re: Swapping to drag radials today, test tonight
[Re: ProSport]
#2387307
10/14/17 12:50 PM
10/14/17 12:50 PM
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Joined: Feb 2005
Posts: 20,174
PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,174
PA.
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A good Friend of mine recently tried the new 14 inch radial (I think Pro Bracket) instead of 14 inch slicks on his camero that runs 9.50's and picked up .20 in the 1/4 mile. Needless to say he loves them.
1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27
Livin and lovin life one day at a time
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Re: Swapping to drag radials today, test tonight
[Re: B3422W5]
#2387317
10/14/17 01:06 PM
10/14/17 01:06 PM
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Joined: Oct 2011
Posts: 326
Alberta
Wookie316
enthusiast
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enthusiast
Joined: Oct 2011
Posts: 326
Alberta
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I agree. A good prep on the track and they are killer. A so so prep and bias is your friend.
1971 Plum Crazy Super Bee. 572 World Aluminum block with a Cope 727 & Dana 4.10 out back. 9.88 @ 138 with a 1.35 60 NA. Dialed back to 10.0’s. 4000 lbs with me in it.
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Re: Swapping to drag radials today, test tonight
[Re: HardcoreB]
#2387470
10/14/17 08:31 PM
10/14/17 08:31 PM
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Joined: Jan 2003
Posts: 11,713
Portage,michigan
B3422W5
OP
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OP
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Portage,michigan
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Good to see you back at it and tweeking impressive results from very little. Nice work Don, congrats. Thanks brother. Thats really nice what you said. Most of the credit for this thing picking up like it has goes to my local buddy scottb, and Dwayne Porter. They have made sure i dont have to do things twice. Really cant wait to get going on the visual/ safety and mechanical improvements i want to do over the winter. Re-doing cage and interior tidying up first.
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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Re: Swapping to drag radials today, test tonight
[Re: B3422W5]
#2387564
10/15/17 12:45 AM
10/15/17 12:45 AM
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Joined: Jan 2003
Posts: 6,351
Aurora, Oh.
max_maniac
master
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master
Joined: Jan 2003
Posts: 6,351
Aurora, Oh.
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Good to see you back at it and tweeking impressive results from very little. Nice work Don, congrats. Thanks brother. Thats really nice what you said. Most of the credit for this thing picking up like it has goes to my local buddy scottb, and Dwayne Porter. They have made sure i dont have to do things twice. Really cant wait to get going on the visual/ safety and mechanical improvements i want to do over the winter. Re-doing cage and interior tidying up first. Hmmmm so maybe next year you will be part of an 11.00 index race  
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Re: Swapping to drag radials today, test tonight
[Re: max_maniac]
#2387567
10/15/17 01:15 AM
10/15/17 01:15 AM
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Joined: Jan 2003
Posts: 11,713
Portage,michigan
B3422W5
OP
I Live Here
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OP
I Live Here
Joined: Jan 2003
Posts: 11,713
Portage,michigan
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Good to see you back at it and tweeking impressive results from very little. Nice work Don, congrats. Thanks brother. Thats really nice what you said. Most of the credit for this thing picking up like it has goes to my local buddy scottb, and Dwayne Porter. They have made sure i dont have to do things twice. Really cant wait to get going on the visual/ safety and mechanical improvements i want to do over the winter. Re-doing cage and interior tidying up first. Hmmmm so maybe next year you will be part of an 11.00 index race Haha..... no, it will stay 11.50
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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Re: Swapping to drag radials today, test tonight
[Re: B3422W5]
#2388641
10/17/17 11:09 AM
10/17/17 11:09 AM
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Joined: Feb 2003
Posts: 1,942
Metro Detroit
OUTLAWD
top fuel
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top fuel
Joined: Feb 2003
Posts: 1,942
Metro Detroit
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Very cool!
Some pretty good air later in the night, Went from ~1400' to ~950' by 8-9pm
I am heading to Milan tomorrow for the last runs of the season...we should see some sub 1000' air, hopefully the track will hold...
Faster, Faster until the thrill of speed overcomes the fear of death...
71 Swinger - slowly collecting dust/parts
66 Belv. II - just a streetcar
88 Mustang - turbo LS beater
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Re: Swapping to drag radials today, test tonight
[Re: B3422W5]
#2388654
10/17/17 11:26 AM
10/17/17 11:26 AM
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Joined: Jan 2003
Posts: 13,365
Marion, South Carolina [><]
an8sec70cuda
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Marion, South Carolina [><]
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Very nice Don, congrats! I love seeing the progress you've made w/ this car. You know what it takes to go fast and it's nice seeing the changes you've made to it really show up on the timeslip. Those radials will spoil you on a good track!
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: Swapping to drag radials today, test tonight
[Re: OUTLAWD]
#2388829
10/17/17 04:46 PM
10/17/17 04:46 PM
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Joined: Sep 2004
Posts: 22,873
Chicken coop
dustergirl340
Chicken Little
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Chicken Little
Joined: Sep 2004
Posts: 22,873
Chicken coop
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Very cool!
Some pretty good air later in the night, Went from ~1400' to ~950' by 8-9pm
I am heading to Milan tomorrow for the last runs of the season...we should see some sub 1000' air, hopefully the track will hold... We'll be at Milan tomorrow too, testing a 750 Holley vs. a 950.
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Re: Swapping to drag radials today, test tonight
[Re: B3422W5]
#2388879
10/17/17 06:17 PM
10/17/17 06:17 PM
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Joined: Jan 2003
Posts: 14,499
So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
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So. Burlington, Vt.
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Didn't it go 12's the first time out?
Just proves what some careful tweaking can be worth.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
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Re: Swapping to drag radials today, test tonight
[Re: dustergirl340]
#2388890
10/17/17 06:41 PM
10/17/17 06:41 PM
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Joined: Feb 2003
Posts: 1,942
Metro Detroit
OUTLAWD
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top fuel
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Metro Detroit
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I did the opposite...I went from years of racing on radials to bias ply. It was a learning curve for sure. But now I can actually hook up better at Milan than at Norwalk with them? Milan is a special case...haha I believe the 60' beams are suspect...Somehow I have better short times at Milan, even though the track prep is normally worse. I am not the only one with similar results, a couple friends run points there and have said the same thing compared to other tracks in the area.
We'll be at Milan tomorrow too, testing a 750 Holley vs. a 950.
I'll be there in a 66 Plymouth Belv. Need any jets/bleeds? I have 2 950 HPs on the shelf, always picked up from 750 to 950
Faster, Faster until the thrill of speed overcomes the fear of death...
71 Swinger - slowly collecting dust/parts
66 Belv. II - just a streetcar
88 Mustang - turbo LS beater
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Re: Swapping to drag radials today, test tonight
[Re: B3422W5]
#2388920
10/17/17 07:48 PM
10/17/17 07:48 PM
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Joined: Jan 2003
Posts: 11,713
Portage,michigan
B3422W5
OP
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OP
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12.17 best first time out earlier this year.
Since then, mildly ported the heads, changed cam and springs and fresh valve job. Swapped from single plane Mopar intake to air gap. Milled heads to raise compression up to around 10.4 to 1
Thats the major stuff. Not much really when you add it all up. The rest is just tinkering with timing, jetting, getting front end alignment from way off to pretty close. And finally swapping to radials.
Last edited by B3422W5; 10/17/17 07:52 PM.
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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Re: Swapping to drag radials today, test tonight
[Re: OUTLAWD]
#2388945
10/17/17 08:34 PM
10/17/17 08:34 PM
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Joined: Sep 2004
Posts: 22,873
Chicken coop
dustergirl340
Chicken Little
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Chicken Little
Joined: Sep 2004
Posts: 22,873
Chicken coop
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Milan is a special case...haha
I believe the 60' beams are suspect...Somehow I have better short times at Milan, even though the track prep is normally worse. I am not the only one with similar results, a couple friends run points there and have said the same thing compared to other tracks in the area.
My husband and I were wondering the same about Milan. We still had a better sixty foot there than at Shakedown at Norwalk, where the track prep was set on kill...??
I'll be there in a 66 Plymouth Belv.
Need any jets/bleeds? I have 2 950 HPs on the shelf, always picked up from 750 to 950
I'll look for you! I'll be in a '65 Dart. We should be good on the jets, we have a complete set in our trailer. Thanks for the offer! Hopefully we'll see you tomorrow.
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Re: Swapping to drag radials today, test tonight
[Re: dustergirl340]
#2388962
10/17/17 09:01 PM
10/17/17 09:01 PM
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Joined: Jan 2003
Posts: 11,713
Portage,michigan
B3422W5
OP
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OP
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Milan is a special case...haha
I believe the 60' beams are suspect...Somehow I have better short times at Milan, even though the track prep is normally worse. I am not the only one with similar results, a couple friends run points there and have said the same thing compared to other tracks in the area.
My husband and I were wondering the same about Milan. We still had a better sixty foot there than at Shakedown at Norwalk, where the track prep was set on kill...??
I'll be there in a 66 Plymouth Belv.
Need any jets/bleeds? I have 2 950 HPs on the shelf, always picked up from 750 to 950
I'll look for you! I'll be in a '65 Dart. We should be good on the jets, we have a complete set in our trailer. Thanks for the offer! Hopefully we'll see you tomorrow. Learned ny lesson from the guru's on here. Even the 318 motor i had in the white Duster liked a 950 a tenth better than a 750. Same thing with my current car. 750 slowed it down about .12 over a 950. If both your carbs are dialed in, the bigger one will be faster
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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