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Re: Fun Summer with my Road Runner and Gen 3 Hemi [Re: STEFF] #1705515
12/14/14 03:39 PM
12/14/14 03:39 PM
Joined: Jun 2003
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Charleston
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sixpackgut Offline
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Quote:

Quote:

Steff, congrats on putting together a great ride I wish I had your fabricating talents. The performance is great, and I am betting there is more in it, based on comparing the 9.90 ET to the mph. The computec predicts a mph of 137.63 for a 9.90. I don't know how much a full sized B body effects mph, but I doubt it is 4+ mph?
Agsin,




Thanx Greg! I really appreciate the compliment. I was talking to HardcoreB yesterday. He said the same thing. I'm not sure where it's hiding.




I was running the numbers on both our cars last night and i both cars showing a better et to mph. I really dont know what to make of it since our cars are set up so differently also


Gen 3 power 6.22@110, 9.85@135
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Re: Fun Summer with my Road Runner and Gen 3 Hemi [Re: SpareParts] #1705516
12/14/14 03:49 PM
12/14/14 03:49 PM
Joined: Jan 2003
Posts: 3,871
Smyrna, South Carolina
STEFF Offline OP
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STEFF  Offline OP
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Quote:


Good work! What was your 1/8 mile on that pass compared to previous. Man that's a lot of gear, cool that the motor likes it




1/8 mile was 6.24 @ 107.9

Re: Fun Summer with my Road Runner and Gen 3 Hemi [Re: STEFF] #1705517
12/15/14 12:28 AM
12/15/14 12:28 AM
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Frostbitefalls MN (Rocky&Bullw...
gregsdart Offline
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The Computec predicts a mph of 113.17 for a 6.24 1/8th mile ET. It also says 718 hp on that pass for the 1/8th mile, as compared to 702 hp to run 9.90 in the 1/4. The equivalent 1/4 ET for a 6.24 is a 9.83. But consider this- if it is laying down so much before the 1/8th mph traps, the ET at both the 1/8th and 1/4 are off more than a bit. That makes it look like the car is laying down for some reason somewhere in the 1/8th mile, probably around 330 or so? Steff, what did the car run to the 330? If you like, I have a program to input some numbers and see what a car going in the 330 may do further own track.


8..603 156 mph best, 2905 lbs 549, indy 572-13, alky
Re: Fun Summer with my Road Runner and Gen 3 Hemi [Re: gregsdart] #1705518
12/15/14 12:54 AM
12/15/14 12:54 AM
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Posts: 3,871
Smyrna, South Carolina
STEFF Offline OP
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Greg,
330' ET was 3.98

Re: Fun Summer with my Road Runner and Gen 3 Hemi [Re: STEFF] #1705519
12/15/14 04:43 AM
12/15/14 04:43 AM
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Its showing a ton of torque up front and down on HP up top. That could be converter as well. I had a spragless converter that was fairly tight that went 5.97 at 111-112. Changed converters and went 5.97 at 114-115. 60 ft and 330 obviously changed significantly.


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Re: Fun Summer with my Road Runner and Gen 3 Hemi [Re: Irun5snd8th] #1705520
12/15/14 10:30 AM
12/15/14 10:30 AM
Joined: Jan 2003
Posts: 3,871
Smyrna, South Carolina
STEFF Offline OP
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STEFF  Offline OP
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Quote:

Its showing a ton of torque up front and down on HP up top. That could be converter as well. I had a spragless converter that was fairly tight that went 5.97 at 111-112. Changed converters and went 5.97 at 114-115. 60 ft and 330 obviously changed significantly.




I see you picked up MPH with the same ET, so is there a benefit to that?

Re: Fun Summer with my Road Runner and Gen 3 Hemi [Re: STEFF] #1705521
12/15/14 11:00 AM
12/15/14 11:00 AM
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Posts: 625
Indianapolis In. usa
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I see you picked up MPH with the same ET, so is there a benefit to that?




I feel there is at the finish line. My old car had real good MPH for the et it ran and often it let me drive around at the stripe. Guy in other lane dont think your going to get there and sometimes will lift and you slip right by!


05 Ram 1500 Daytona package
71 Demon Gen3 hemi drag radial project



Missin' my 9 second 70 runner!
Re: Fun Summer with my Road Runner and Gen 3 Hemi [Re: Quickrunner] #1705522
12/15/14 11:18 AM
12/15/14 11:18 AM
Joined: Oct 2006
Posts: 176
NC USA
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Cars looks and runs awesome Steff.


Lenny Croteau www.ultimateconverter.com Phone 704-892-6837 Fax 704-892-6880
Re: Fun Summer with my Road Runner and Gen 3 Hemi [Re: STEFF] #1705523
12/15/14 12:25 PM
12/15/14 12:25 PM
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Posts: 9,986
Frostbitefalls MN (Rocky&Bullw...
gregsdart Offline
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Quote:

Greg,
330' ET was 3.98



I plugged in as best I could on Desktop dragstrip some numbers and what relates to a 3.98 330 ft mark is-
1.41 60 ft
6.18 1/8th at 112 mph
9.78 1/4 at 134 mph
these numbers were generated using a moderate shift point of about 6800. There appears to be a solid tenth hiding somewhere, and maybe more. That would make sense based on reasonably accurate dyno numbers you got.


8..603 156 mph best, 2905 lbs 549, indy 572-13, alky
Re: Fun Summer with my Road Runner and Gen 3 Hemi [Re: gregsdart] #1705524
12/15/14 01:23 PM
12/15/14 01:23 PM
Joined: Jan 2003
Posts: 3,871
Smyrna, South Carolina
STEFF Offline OP
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The way I see it is, I'll keep tuning & tweaking this thing and what it does, it does, and I'm not really going to worry about the ET to MPH number alignments. I've got this thing launching & running pretty good so far and if I find more improvement, it's icing on the cake.

I am taking the motor down to take a peek at everything & see how its all wearing & I was thinking about making some changes to the motor over the off season, but I'm not sure now. I may just leave well enough alone.


Re: Fun Summer with my Road Runner and Gen 3 Hemi [Re: ultimatelenny] #1705525
12/15/14 01:25 PM
12/15/14 01:25 PM
Joined: Jan 2003
Posts: 3,871
Smyrna, South Carolina
STEFF Offline OP
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Quote:

Cars looks and runs awesome Steff.




Thanx Lenny!!! Love the converter!!!

Re: Fun Summer with my Road Runner and Gen 3 Hemi [Re: STEFF] #1705526
12/15/14 01:33 PM
12/15/14 01:33 PM
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Warren, MI
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Jerry Offline
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personally I wouldn't touch it. that thing is a monster! congrats!


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Re: Fun Summer with my Road Runner and Gen 3 Hemi [Re: Jerry] #1705527
12/15/14 02:46 PM
12/15/14 02:46 PM
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Posts: 3,210
robin hood country
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a 1.31 60FT is amazing for a 9.90 car.
Mick


69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200#
best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft
best 60ft 1.36
Re: Fun Summer with my Road Runner and Gen 3 Hemi [Re: STEFF] #1705528
12/16/14 12:13 PM
12/16/14 12:13 PM
Joined: Jan 2003
Posts: 13,357
Marion, South Carolina [><]
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Congrats Steff...and yes, Darlington's prep does suck. I'm guessing there weren't many cars out there on Saturday? If not, he will not put any effort into it. Then again, it doesn't work much better when there is a crowd either, lol.


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
Re: Fun Summer with my Road Runner and Gen 3 Hemi [Re: an8sec70cuda] #1705529
12/16/14 01:20 PM
12/16/14 01:20 PM
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State of confusion
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Quote:

Congrats Steff...and yes, Darlington's prep does suck. I'm guessing there weren't many cars out there on Saturday? If not, he will not put any effort into it. Then again, it doesn't work much better when there is a crowd either, lol.





I`m confused about how a 1.31 relates to crappy prep cos I need some of that plus of course your sea level alt. Must be nice..........


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: Fun Summer with my Road Runner and Gen 3 Hemi [Re: Thumperdart] #1705530
12/16/14 01:24 PM
12/16/14 01:24 PM
Joined: Jan 2003
Posts: 13,357
Marion, South Carolina [><]
an8sec70cuda Offline
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Quote:

Quote:

Congrats Steff...and yes, Darlington's prep does suck. I'm guessing there weren't many cars out there on Saturday? If not, he will not put any effort into it. Then again, it doesn't work much better when there is a crowd either, lol.





I`m confused about how a 1.31 relates to crappy prep cos I need some of that plus of course your sea level alt. Must be nice..........



You might be able to go a 1.31 once all day, which is what I believe happened to Steff.. VERY hit or miss...w/ mostly misses.


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
Re: Fun Summer with my Road Runner and Gen 3 Hemi [Re: an8sec70cuda] #1705531
12/16/14 01:38 PM
12/16/14 01:38 PM
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Thumperdart Offline
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Seen that before more than twice...............


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: Fun Summer with my Road Runner and Gen 3 Hemi [Re: an8sec70cuda] #1705532
12/16/14 01:40 PM
12/16/14 01:40 PM
Joined: Jun 2003
Posts: 9,225
Charleston
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sixpackgut Offline
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Quote:

Quote:

Quote:

Congrats Steff...and yes, Darlington's prep does suck. I'm guessing there weren't many cars out there on Saturday? If not, he will not put any effort into it. Then again, it doesn't work much better when there is a crowd either, lol.





I`m confused about how a 1.31 relates to crappy prep cos I need some of that plus of course your sea level alt. Must be nice..........



You might be able to go a 1.31 once all day, which is what I believe happened to Steff.. VERY hit or miss...w/ mostly misses.




its good to be slow, I made it down the track every time


Gen 3 power 6.22@110, 9.85@135
Follow @g3hemiswap on instagram

performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
Re: Fun Summer with my Road Runner and Gen 3 Hemi [Re: sixpackgut] #1705533
12/16/14 01:46 PM
12/16/14 01:46 PM
Joined: Jan 2003
Posts: 13,357
Marion, South Carolina [><]
an8sec70cuda Offline
I Live Here
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Posts: 13,357
Marion, South Carolina [><]
Quote:

Quote:

Quote:

Quote:

Congrats Steff...and yes, Darlington's prep does suck. I'm guessing there weren't many cars out there on Saturday? If not, he will not put any effort into it. Then again, it doesn't work much better when there is a crowd either, lol.





I`m confused about how a 1.31 relates to crappy prep cos I need some of that plus of course your sea level alt. Must be nice..........



You might be able to go a 1.31 once all day, which is what I believe happened to Steff.. VERY hit or miss...w/ mostly misses.




its good to be slow, I made it down the track every time



Ray, your car isn't slow by a long shot, it just leaves really soft. Steff's car leaves hard, as does mine. Combine that w/ radials and you need decent prep to make it work.


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
Re: Fun Summer with my Road Runner and Gen 3 Hemi [Re: an8sec70cuda] #1705534
12/16/14 02:12 PM
12/16/14 02:12 PM
Joined: Jul 2004
Posts: 19,317
State of confusion
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Thumperdart Offline
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Quote:

Quote:

Quote:

Quote:

Quote:

Congrats Steff...and yes, Darlington's prep does suck. I'm guessing there weren't many cars out there on Saturday? If not, he will not put any effort into it. Then again, it doesn't work much better when there is a crowd either, lol.





I`m confused about how a 1.31 relates to crappy prep cos I need some of that plus of course your sea level alt. Must be nice..........



You might be able to go a 1.31 once all day, which is what I believe happened to Steff.. VERY hit or miss...w/ mostly misses.




its good to be slow, I made it down the track every time



Ray, your car isn't slow by a long shot, it just leaves really soft. Steff's car leaves hard, as does mine. Combine that w/ radials and you need decent prep to make it work.




Based on gear and vert alone, these are two different cars on the starting line. We talked about how fast Ray would be if he REALLY stepped up to a more "race" set up and I`d bet 9.70`s.........applet to oranges imo.


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
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