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1/4 for 1991 Formula 350 TPI 330hp/420lb.ft?

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Old 01-29-2013, 09:01 PM
  #251  
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Car: 91 gta ws6
Engine: L98
Transmission: 700 R4 TRANS
Axle/Gears: 3.23
Re: 1/4 for 1991 Formula 350 TPI 300hp/450lb.ft?

Originally Posted by Limpperi
Heads, intake, cam, full exhaust, runners, fuel pump and some other stuff.

Edelbrock heads. As said, last owner did these (and some others which I can't remember now) mods. BUT I'll get full list of all the mods in few weeks. I just can't live with the fact that I don't know exactly what is in my car. all I know that there is Mild LT cam, Edelbrock intake, Edelbrock heads, Edelbrock headers, new prom, Edelbrock y-pipe, Magnaflow cat-back, edelbrock runners and pertty much just edelbrock parts. And tune ofcourse. I can update all the mods here as soon as I get the list of them.
did you have any port work done to you intake and runners
Old 01-30-2013, 02:36 AM
  #252  
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Car: 1991 Formula 350
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Axle/Gears: 3.23 Posi
Re: 1/4 for 1991 Formula 350 TPI 300hp/450lb.ft?

Originally Posted by kad5118
did you have any port work done to you intake and runners
no. there is no port work done.
Old 01-30-2013, 02:47 AM
  #253  
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Car: 91 gta ws6
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Axle/Gears: 3.23
Re: 1/4 for 1991 Formula 350 TPI 300hp/450lb.ft?

if you were to get that done you can free up some power with your setup
Old 02-05-2013, 01:03 AM
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Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: 1/4 for 1991 Formula 350 TPI 300hp/450lb.ft?

Originally Posted by Limpperi
Update: Dynoed the car and got 330hp and 420tq. Weight is 3300+me=3500lbs

HP: 330
TQ: 420
WGHT: 3500lbs

Most likely around 13 sec is my guess

With the car setup right you could hit 12.7- 13.4s.
Old 02-05-2013, 01:26 AM
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Car: 89 RS 89 iroc 87 firebird
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Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: 1/4 for 1991 Formula 350 TPI 300hp/450lb.ft?

Originally Posted by TTOP350
With the car setup right you could hit 12.7- 13.4s.
properly setup that thing should e even faster then that more like 12.0

270/370 here and ran 13.0 fixed a few ignition issues picked up some more power and went 12.3 short shifting shifting at 6,600 instead of 7,300

after i fixed it its prolly around 330/400@3455#'s

that is if his numbers are at the tires if those are flywheel then id say about .5 or a lil slower

Last edited by project89; 02-05-2013 at 01:37 AM.
Old 02-05-2013, 01:52 AM
  #256  
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Car: 1989-92 FORMULA350 305 92 Hawkclone
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Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: 1/4 for 1991 Formula 350 TPI 330hp/420lb.ft?

I cheated (because I'm tired) and used 2 different on line guess-ta-mator programs with a full weight car. Of course it could be faster, it could be slower also.. It just depends..
Old 02-05-2013, 02:00 AM
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Axle/Gears: strange s60 /w 3:42's
Re: 1/4 for 1991 Formula 350 TPI 330hp/420lb.ft?

Originally Posted by TTOP350
I cheated (because I'm tired) and used 2 different on line guess-ta-mator programs with a full weight car. Of course it could be faster, it could be slower also.. It just depends..
i reread from page 1 they are flywheel numbers so around 12.5 give or take 1-2 tenths should be pretty accurate since he should put down around 290/390 rwhp/tq

mine only went 13.00 cause i had issues but the setup dynoed 270/370 rw

id hate to ask how much he spent cause we have guys putting down the same and bigger numbers with stock v6's and turbos for around 1,200 bucks
Old 02-05-2013, 05:51 AM
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Car: 1991 Formula 350
Engine: 350 TPI (L98)
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Axle/Gears: 3.23 Posi
Re: 1/4 for 1991 Formula 350 TPI 330hp/420lb.ft?

Originally Posted by project89
...id hate to ask how much he spent cause we have guys putting down the same and bigger numbers with stock v6's and turbos for around 1,200 bucks
There is few grands put in the car. But pleace notice that I live in Finland where the price ranges are WAY different than in the US. (Magnaflow cat back bought from shop around $1300, if imported its a bit less. and one gallon of fuel is about $8.50 and the car itself, don't get me even started on that)

Not a fan of turbos. or NOS. I like to keep it N/A.

I'll go for 1/4 mile in the summer. Nearest tracks elevation is only 500ft.

Last edited by Limpperi; 02-05-2013 at 05:55 AM.
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