Re: Hemi Cuda.....1st Pass Off the trailer tonight
[Re: JERICOGTX]
#2700085
09/23/19 10:53 AM
09/23/19 10:53 AM
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Joined: Jan 2003
Posts: 11,719 Portage,michigan
B3422W5
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I Live Here
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Posts: 11,719
Portage,michigan
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Nice!
I was wondering where the roll cage was, too. Since he is running IHRA, he doesn't need a cage until 9.00 or faster. Does need a IHRA license though to go under 6.40, or 10.00. You do need the halo bars ro run quicker than 9.99 in IHRA. A 6 or 8 point rollbar is only good to 10 flat
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: Hemi Cuda.....1st Pass Off the trailer tonight
[Re: quickd100]
#2700086
09/23/19 10:57 AM
09/23/19 10:57 AM
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Joined: May 2004
Posts: 12,396 Taxes & Virus's R-US, NY
Dragula
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OP
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At what rpm are you shifting? Didn't look like it was going much past 6000. I was shifting around 6500. The Rev limiter you can't here it. But I had to go change it to spin it higher. Plus it was a little lean I think yet as it was not climbing rpm real quick yet. Ran out of jet sizes at #106.... And it needs a full cage and window net anything below 6.50..... After reviewing a copy of the vids it appears I shifted closer to 6200....
Last edited by Dragula; 09/23/19 12:31 PM.
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Re: Hemi Cuda.....1st Pass Off the trailer tonight
[Re: Dragula]
#2700121
09/23/19 12:36 PM
09/23/19 12:36 PM
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Joined: Jan 2003
Posts: 11,719 Portage,michigan
B3422W5
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I Live Here
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Posts: 11,719
Portage,michigan
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Seems wierd the car would want so much jet. Seems like a ton I had a motor that made similar power to this one that ran 88/90 jets. Actually 135 mph at 3350
Last edited by B3422W5; 09/23/19 01:07 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: Hemi Cuda.....1st Pass Off the trailer tonight
[Re: B3422W5]
#2700123
09/23/19 12:43 PM
09/23/19 12:43 PM
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Joined: Jan 2003
Posts: 965 Odessa, Fl
blowndart
super stock
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super stock
Joined: Jan 2003
Posts: 965
Odessa, Fl
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Seems wierd the car would want so much jet. Seems like a ton I had a motor that made similar power to this one that ran 88/90 jets. I was thinking the same thing. Is this a Thumper-modified carb?
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Re: Hemi Cuda.....1st Pass Off the trailer tonight
[Re: Dragula]
#2700148
09/23/19 02:17 PM
09/23/19 02:17 PM
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Joined: Sep 2003
Posts: 422 montana
BANDIT
mopar
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mopar
Joined: Sep 2003
Posts: 422
montana
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How old/ how many passes on your current tires?
64 Dodge Coronet 440. In progress 1998. Dodge Avenger. 8.35@165. 4400 DA 250” Neil and Parks Slip Joint. 7.36@183. 4600 DA 242" Mullis Dragster. 6.90@ 200mph
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Re: Hemi Cuda.....1st Pass Off the trailer tonight
[Re: 70satelliteguy]
#2700165
09/23/19 03:22 PM
09/23/19 03:22 PM
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Joined: Jan 2016
Posts: 216 America
WedgeFED
enthusiast
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enthusiast
Joined: Jan 2016
Posts: 216
America
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"Seems wierd the car would want so much jet. Seems like a ton I had a motor that made similar power to this one that ran 88/90 jets. "
Yeah! My 572 Wedge with Quickfuel 1450 is jetted 96 square! Mid 9s at 138. Wondering what carb or combo would need even MORE than 106. Mike Saw a little small block car with jets in the 170 range a few weeks ago and yes on race gas...
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Re: Hemi Cuda.....1st Pass Off the trailer tonight
[Re: WedgeFED]
#2700176
09/23/19 04:22 PM
09/23/19 04:22 PM
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Joined: Jan 2003
Posts: 6,392 nielsville, minn.
quickd100
master
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master
Joined: Jan 2003
Posts: 6,392
nielsville, minn.
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If you are still running the Indy Hi-Po heads shifting at 6200 you haven't even hit the Hp peak in the powerband. They are real lazy down low. I pulled mine to just passed 6700, the Hp was still climbing.
Last edited by quickd100; 09/23/19 05:46 PM.
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Re: Hemi Cuda.....1st Pass Off the trailer tonight
[Re: blowndart]
#2700214
09/23/19 06:38 PM
09/23/19 06:38 PM
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Joined: May 2004
Posts: 12,396 Taxes & Virus's R-US, NY
Dragula
OP
I Live Here
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OP
I Live Here
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Seems wierd the car would want so much jet. Seems like a ton I had a motor that made similar power to this one that ran 88/90 jets. I was thinking the same thing. Is this a Thumper-modified carb? Its a Thumper 1250 carb and its on pump gas 93 with E10, so that requires an AFR of around 12.2....Friday nights pass showed it was close to 13.8 in high gear. Saturday I went up from #104 to #106, and it looks like its around 12.5-12.8 now. I still had jets in my hand when they called us to the lanes....But it was much better, and I gained almost 2mph in the 1/8th.....So it probably just needs to go 1-2 more. I will order them, but I doubt I will run this car again this year. My belts are out and I was lucky they let me run actually let alone, I made it down to the last four cars....Not too bad for a street car. Going to have to figure out what kind of tire to put on it for next year. Thinking of trying a 315DR in R2 compound....Its shorter and will kick the rpm a little. And yes Hi-Po big valve heads still....I could tell it wasn't pulling real good yet, so the jetting needed to be better before pulling it that high, and my 20 year old 7k rev limiter chip was hitting at 6600....
Last edited by Dragula; 09/23/19 06:43 PM.
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Re: Hemi Cuda.....1st Pass Off the trailer tonight
[Re: Dragula]
#2700323
09/24/19 03:56 AM
09/24/19 03:56 AM
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Joined: Dec 2009
Posts: 20,640 in a cattle trailer down by th...
Guitar Jones
Paddle faster! I hear banjo music!
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Paddle faster! I hear banjo music!
Joined: Dec 2009
Posts: 20,640
in a cattle trailer down by th...
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I'm thinking if you need that much jet you need more than one carb. Sounds sweet though and yeah, your RT's are insane for a foot brake car.
"Follow me the wise man said, but he walked behind"
'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion. '74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost conversion. 2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
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Re: Hemi Cuda.....1st Pass Off the trailer tonight
[Re: Dragula]
#2700355
09/24/19 08:16 AM
09/24/19 08:16 AM
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Joined: Jan 2003
Posts: 13,374 Marion, South Carolina [><]
an8sec70cuda
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I Live Here
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Marion, South Carolina [><]
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Put a 315 pro on it. I'd definitely spin it higher w/ those big heads and manifold. I'm also very surprised it needs that much jet. My 1200 dominator (mod'd 1150) is 88/96 w/ a PV up front.
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: Hemi Cuda.....1st Pass Off the trailer tonight
[Re: Dragula]
#2700380
09/24/19 09:34 AM
09/24/19 09:34 AM
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Joined: Jan 2003
Posts: 965 Odessa, Fl
blowndart
super stock
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super stock
Joined: Jan 2003
Posts: 965
Odessa, Fl
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[ Its a Thumper 1250 carb and its on pump gas 93 with E10, so that requires an AFR of around 12.2....Friday nights pass showed it was close to 13.8 in high gear. Saturday I went up from #104 to #106, and it looks like its around 12.5-12.8 now. I still had jets in my hand when they called us to the lanes....But it was much better, and I gained almost 2mph in the 1/8th.....So it probably just needs to go 1-2 more Assuming that you AFR meter is accurate, it looks like you're close that what that carb wants. Thanks for posting the videos. Must feel great to get it out and race it after all that you've been through with that engine.
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Re: Hemi Cuda.....1st Pass Off the trailer tonight
[Re: blowndart]
#2700542
09/24/19 05:59 PM
09/24/19 05:59 PM
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Joined: May 2004
Posts: 12,396 Taxes & Virus's R-US, NY
Dragula
OP
I Live Here
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OP
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Taxes & Virus's R-US, NY
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"Seems wierd the car would want so much jet. Seems like a ton I had a motor that made similar power to this one that ran 88/90 jets. "
Yeah! My 572 Wedge with Quickfuel 1450 is jetted 96 square! Mid 9s at 138. Wondering what carb or combo would need even MORE than 106. Mike Well, the plenum on that intake is huge as well as the runners and I took the clover leaf out.....So the MPH is telling me its lean, and so is the AFR guage, so I am going up....My 1000cfm 4150 on my 512 had 96's in it, my 1050 Thumper on my 512 has 104's in it.....Seems about right.... How old/ how many passes on your current tires? Tires are old and shot, the side wall is just getting obliterated even at 14psi......What is the best hooking tire for a leaf spring car in a 31x16.5 or 315 radial? [ Its a Thumper 1250 carb and its on pump gas 93 with E10, so that requires an AFR of around 12.2....Friday nights pass showed it was close to 13.8 in high gear. Saturday I went up from #104 to #106, and it looks like its around 12.5-12.8 now. I still had jets in my hand when they called us to the lanes....But it was much better, and I gained almost 2mph in the 1/8th.....So it probably just needs to go 1-2 more Assuming that you AFR meter is accurate, it looks like you're close that what that carb wants. Thanks for posting the videos. Must feel great to get it out and race it after all that you've been through with that engine. It does finally feel good. After what I went thru with the Indy block, I can tell you, this engine, with all the same parts as before, holds way better oil pressure, and makes more power. Its already .05 quicker and it weighs more than 200lbs more.
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Re: Hemi Cuda.....1st Pass Off the trailer tonight
[Re: Dragula]
#2700681
09/25/19 08:18 AM
09/25/19 08:18 AM
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Joined: Jan 2003
Posts: 13,374 Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
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Marion, South Carolina [><]
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PUT A 315 ET STREET PRO ON IT.
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: Hemi Cuda.....1st Pass Off the trailer tonight
[Re: Dragula]
#2700707
09/25/19 09:33 AM
09/25/19 09:33 AM
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Joined: Jan 2003
Posts: 13,374 Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
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Marion, South Carolina [><]
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Beadlocks are nice and preferred if you can afford them. I can't, so I use permatex to glue the beads. I also ran screws in radials for 10+ years and had no problems, but now they say not to do that b/c it can hurt the tire.
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: Hemi Cuda.....1st Pass Off the trailer tonight
[Re: an8sec70cuda]
#2700962
09/25/19 10:27 PM
09/25/19 10:27 PM
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Joined: Jul 2004
Posts: 1,145 Arizona, USA
gsmopar
super stock
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super stock
Joined: Jul 2004
Posts: 1,145
Arizona, USA
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Beadlocks are nice and preferred if you can afford them. I can't, so I use permatex to glue the beads. I also ran screws in radials for 10+ years and had no problems, but now they say not to do that b/c it can hurt the tire. Champion wheels bridged the price gap for beadlocks. Too bad they're out of the game!
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