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quickest stock ls longblock? this might be it!!

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Old 04-07-2008, 05:57 PM
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What are you guys shifting it at? I know a couple of the truck guys have had better times with shifting at 5400 and running a little more boost with the lower rpm's. Seems to keep the motor in the "sweet spot" better.
Old 04-07-2008, 06:08 PM
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Originally Posted by camarols1
On The Cheap racing at its finest !!!!
+1, That thing is definetly hauling. It didn't even seem to launch that hard, but it was certainly moving.
Old 04-07-2008, 08:01 PM
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Originally Posted by kbracing96
What are you guys shifting it at? I know a couple of the truck guys have had better times with shifting at 5400 and running a little more boost with the lower rpm's. Seems to keep the motor in the "sweet spot" better.
i am sure we are missing out a little or a lot of et from out converter. at full power it stalls to 5400rpm. our peek tq is around 5500 but with the converter stalling to 5400 i am not sure of that. we are on the down hill part of the tq curve the entire run. we try shifting around 6000rpm. on that good run the shifts were at 6200 with a drop to 5900 after the shift.

at 6000rpm we are down 75ft/lbs from our peek at 5500(wich may not even be our peek). we are missing out on quite a bit from our converter. what can ya do... my experience is if you send the converter in for a restall they will probably make it worse. we may try a diferent company for the nova but it is going to be a lock up so we dont care nearly as much.

as you can see the car is not ideal. there are a lot of things that could be done even without adding a larger turbo and more power. between launching it at higher boost, less weight and the right converter i could see droping this thing into the low 9's pretty easy. larger turbo and i bet it would bump into the 8's before the stock longblock got hurt.

thats all just talk though. we are going to push our nova. it has the cage and other saftey equipment, it has more turbo and will have a better converter set up. no point in rebuilding this entire car when we are going to try and loose it on pinks especialy when we have another car that is 3/4 of the way done with all the stuff done to it that we would need to do to the fairmont. besides all that the fairmont probably isn't all that safe. 6point, 28spline axles, no diaper....
Old 04-07-2008, 08:25 PM
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Thats a good point, save the fun of tuning and tweaking for the car that's not gona get told to go home after 1 or 2 runs

I'm gona to have to try and make it out your way this summer and see that Nova
Old 04-07-2008, 08:56 PM
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Very cool, I like it!
Old 04-08-2008, 02:32 AM
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Originally Posted by parish8
14psi, 535rwhp on a mustang, 600rwhp on a dynojet.

the turbo is done no more power to be had there unless on a smaller enigne at higher rpm. there might be a hair more in the 60' and another .1 or .2 by droping weight if we wanted to go that route.
Thanks for that I'm at 520 rwhp at 10 psi and was hopeing to push it to 15 psi
with a forged motor, maybe my Q-trim has a little more in it

if not i can see a t76 in my future

Cheers
JOhn
Old 04-08-2008, 04:18 AM
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he didnt say what gear hes got, not hating by no means, but with a th400 and that fast of a time, i wonder if he can even make a quarter mile pass? if hes close to redline in 3rd at finish, then thats it. also thats a great 60 ft time which also makes me wonder what gear hes got...so the quarter mile formula wont work in his case if thats true........either way hes flying.
Old 04-08-2008, 05:50 AM
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Originally Posted by SD99TA214
he didnt say what gear hes got, not hating by no means, but with a th400 and that fast of a time, i wonder if he can even make a quarter mile pass? if hes close to redline in 3rd at finish, then thats it. also thats a great 60 ft time which also makes me wonder what gear hes got...so the quarter mile formula wont work in his case if thats true........either way hes flying.
you may be right but i can tell ya our numbers last time we went to the 1/4

1.40 60'
6.40@112(not sure on mph)
9.96@137

the formula works with those numbers so i can tell you it isnt completly done by the 1/8th but might not finish out the 1/4 as strong as it could.

gears are 3.23 with 28" tires.
Old 04-08-2008, 09:09 AM
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Thats pretty awesome for a stock 5.3, guess the old 327 chevy is still a good engine

Pretty cool car overall, looks like you guys are having fun and thats what its all about.
Old 04-08-2008, 09:13 AM
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Ah..parish does it again.
Old 04-08-2008, 11:04 AM
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14psi, 535rwhp on a mustang, 600rwhp on a dynojet.

the turbo is done no more power to be had there unless on a smaller enigne at higher rpm. there might be a hair more in the 60' and another .1 or .2 by droping weight if we wanted to go that route.
the mp70 on my 355ci with a larger exhaust housing did 14psi and over 700rwhp...the boost controller keeps it from making more boost but i'm sure it would

i love the doing more with less you got going on here!!!
Old 04-08-2008, 11:18 AM
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Awesome job Parish, when are you guys going on Pinks?
Old 04-09-2008, 08:09 AM
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Originally Posted by parish8
i am sure we are missing out a little or a lot of et from out converter. at full power it stalls to 5400rpm. our peek tq is around 5500 but with the converter stalling to 5400 i am not sure of that. we are on the down hill part of the tq curve the entire run. we try shifting around 6000rpm. on that good run the shifts were at 6200 with a drop to 5900 after the shift.

at 6000rpm we are down 75ft/lbs from our peek at 5500(wich may not even be our peek). we are missing out on quite a bit from our converter. what can ya do... my experience is if you send the converter in for a restall they will probably make it worse. we may try a diferent company for the nova but it is going to be a lock up so we dont care nearly as much.
Your making me have crazy thoughts about the stock 5.3 longblock I got sittin here. Way to go guys.

If you guys want to get a converter that will work sweet in that thing let me know.
Old 04-09-2008, 10:56 AM
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th400 + 3.23's + 28" tire= 1/4 mile no problem.
Old 04-09-2008, 12:02 PM
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congrats still one of my favorite cars
Old 04-10-2008, 02:33 AM
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Not to bad....
I love goin fast for cheap!!!

lets have a show down... fairmont vs. 240... You goin to KC this weekend for the shoot out? If so ill bring her


PS...sat night i went 6.12 @121 on a 1.44 60' You game?

OH YA!!! this is a STOCK 108k mile salvage yard burnt engine

Last edited by 417 Motorsports; 04-10-2008 at 02:38 AM.
Old 04-10-2008, 02:33 AM
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Oh ya.... on a drag radial
Old 04-10-2008, 03:24 AM
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I love it thats what its all about!
Old 04-10-2008, 05:58 AM
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Originally Posted by 417 Motorsports
Not to bad....
I love goin fast for cheap!!!

lets have a show down... fairmont vs. 240... You goin to KC this weekend for the shoot out? If so ill bring her


PS...sat night i went 6.12 @121 on a 1.44 60' You game?

OH YA!!! this is a STOCK 108k mile salvage yard burnt engine
ouch. with your 121mph vs our 113mph it would look like we dont have a chance. we are going to be at kcir on sunday

every weigh your car?
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Old 04-11-2008, 01:45 AM
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LOL i know! It would be a blast to have a stock showdown! LOL How much are you hittin yours with? Mines on a measly 10psi... oh ya
It weighs 2800lbs

I will be at KCIR on sunday, but the orange turd will not be goin, I gotta take a customer his car (chevy II twins and a lme 408) that we just finished and pick up another!


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