STS gains
Originally Posted by enginjoe
Except for nitrous, how could you get there any cheaper or easier and have the same street manners, gas mileage and cool turbo sounds?
plus i have room to grow they are running out of things to change -- except the juice 
Originally Posted by JD_Z28
My car ran a 7.401 @100 mph w/9psi and a 1.8 60ft. I never had a chance to test it in the 1/4. BTW this is with the stock 60-1 .96A/R.
I have a 2000 camaro with a 408,th400 tranny,fmic,and meth inj.Car made 550 horse at 13lbs of boost and was floating the valves.Changed the valves now the car makes 16lbs of boost but is running lean so im redoing the fuel system as we speak.This is with a t-70 turbo STS kit.
Hows the spool with the .96? Ive got a .96 but the car has never seen a true WOT pass. Smoke how much improvement did you see in spool with the .81 (in rough RPM estimates).
Vandal you should be makin a lot more power than that with a 408 at that kind of boost. Get some stronger valves and throw her back on the dyno. You should be seeing 650+ at 16psi.
Vandal you should be makin a lot more power than that with a 408 at that kind of boost. Get some stronger valves and throw her back on the dyno. You should be seeing 650+ at 16psi.
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Originally Posted by smoke20
i had the .96 A/R and i switched to the .81 A/R and the response was awesome, i also have the bigger 67 turbo .
Originally Posted by JD_Z28
I have a 76 comming in this week but I'm still goanna be running the .96. I want topend power and everybody says the .96 works great at sea level. I get full boost at 3500 RPM's.
i love your car
the difference between the .96 and .81 was where the boost started. the .96 was a lagg hog. but when it came in it stayed especially up top, car had slow track times but was faster through the trap, with the .81 reponse was much quicker, track times picked up but i lost trap speed. i would guess because it was a year and a half ago but somewhere around 300-400 rpm difference in full spool. i also had a 3.73 gear and now im a 3.23 to load turbo.
well i'm going to a 3.42 , i will be having a IC made up custom, and should i go with a smaller a/r ratio(currently the stock STS .96)..maybe go to a .81? mine spools by around 3400 if not a little higher...have to go back home and drive it and see again, lol. its been a while
Originally Posted by ZL1Killa
well i'm going to a 3.42 , i will be having a IC made up custom, and should i go with a smaller a/r ratio(currently the stock STS .96)..maybe go to a .81? mine spools by around 3400 if not a little higher...have to go back home and drive it and see again, lol. its been a while
Originally Posted by smoke20
the difference between the .96 and .81 was where the boost started. the .96 was a lagg hog. but when it came in it stayed especially up top, car had slow track times but was faster through the trap, with the .81 reponse was much quicker, track times picked up but i lost trap speed. i would guess because it was a year and a half ago but somewhere around 300-400 rpm difference in full spool. i also had a 3.73 gear and now im a 3.23 to load turbo.
I think I like the higher topend and to make up for the low end I might just set the 2 step higher 
Originally Posted by JD_Z28
Good to know I think I like the higher topend and to make up for the low end I might just set the 2 step higher
I think I like the higher topend and to make up for the low end I might just set the 2 step higher 
Originally Posted by 99Z28LS1
i debated on using 2.75's because i do my races on the highway...... but if i ever get the money to get all new clutch and rear, i would go with 3.23's and use a 2 step like you JD_Z28
If you like highway runs I'de say go with the 3.23's and bigger A/R FTW
Originally Posted by JD_Z28
If you like highway runs I'de say go with the 3.23's and bigger A/R FTW
FWIW my 1/8 mile is 6.7 @ 104 with a 1.58 60' I love the trans brake, 10psi launch. 14psi boost.
Originally Posted by Zombie
The best for highway is a th400, 2.75 gears and a fairly tight stall. The larger a/r works better with an auto because boost never falls off during the shift.
FWIW my 1/8 mile is 6.7 @ 104 with a 1.58 60' I love the trans brake, 10psi launch. 14psi boost.
FWIW my 1/8 mile is 6.7 @ 104 with a 1.58 60' I love the trans brake, 10psi launch. 14psi boost.
