what do u think my car would run? 1/4 mile
09-03-2003, 06:44 PM
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Car: 1988 trans am
Engine: 5.7 gm H.O. crate engine
Transmission: 700r4
what do u think my car would run? 1/4 mile
i dropped in a gm 350 h.o. crate engine (330 hp 380 tq). stock stall with a 700r4. also with 2.73'2 and an open diferential. 255/60-15 rear tires. 650 holly dp carb preformer intake, 14x3 element. what do u think i would run? thanks
09-03-2003, 08:35 PM
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Car: 1988 trans am
Engine: 5.7 gm H.O. crate engine
Transmission: 700r4
Originally posted by Riley's35089rs+
without driver error...14's mid
without driver error...14's mid
09-03-2003, 10:02 PM
#5
with a aftermarket stall high 13s at 98 mph. Stock stall low 14s at near same speed.
I estimate this because a guy at the local track runs a 13.8 at 97 with that exact motor and a TPI and 2.73 gears.
I estimate this because a guy at the local track runs a 13.8 at 97 with that exact motor and a TPI and 2.73 gears.
09-04-2003, 04:52 AM
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Car: 89rs (previous 2.8)
Engine: 406
Transmission: 700r4 (for now)
with that open differential, your 60ft times are gonna suck..although the 2:73's will help you out some..if you swap in 3:73's you for sure will need a posi unit...Your link gives you some great info. Im thinking that motor comes with the72cc heads doesnt it?
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09-04-2003, 02:39 PM
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Car: 89 Firebird Formula(Totalled), 91 C
Engine: Mild 350
Transmission: 700R4
Axle/Gears: 2.73 :-(
I'd say the best you'd run with stock suspension, those 15" tires, and open diff is mid 14. low 14 if your lucky. Switch to a fatter bigger tire, some suspension upgrades, and a good stall and you could hit 13's. The way you are right now, your gonna light up those tires.
09-04-2003, 05:05 PM
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I apologize... I thought the link I gave was for the 330HP motor. I just realized it isn't the same.
http://www.sdpc2000.com/cart.asp?act...id=120&pid=462
I believe that a 3.23 geared posi would put you in the power band effectively enough to net you some mid 13s.
http://www.prestage.com/Car+Math/ET+...+/default.aspx
http://www.sdpc2000.com/cart.asp?act...id=120&pid=462
I believe that a 3.23 geared posi would put you in the power band effectively enough to net you some mid 13s.
http://www.prestage.com/Car+Math/ET+...+/default.aspx
Last edited by smithtc; 09-04-2003 at 05:30 PM.
09-04-2003, 06:44 PM
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Car: 89rs (previous 2.8)
Engine: 406
Transmission: 700r4 (for now)
Originally posted by smithtc
I
I believe that a 3.23 geared posi would put you in the power band effectively enough to net you some mid 13s.
I
I believe that a 3.23 geared posi would put you in the power band effectively enough to net you some mid 13s.
Not to mention a little tranny work...
PS...just the opinion of a shade-tree mechanic!
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