choosing a turbo for my set up
built 370
wiseco pistons
tick stg 3 turbo cam
arp head/main studs and rod bolts
callies rods
still havent picked the exact head I want yet probably afrs or tfs
roughly 9.5:1 compression pending which heads i choose. could go as low as 9:1
6spd car with a 9" behind it and fully adjustable suspension.
goal: make as close to 1000 whp as possible run mid to low 9s, I do not want to be destined as a roll racer so it must spool and hookup well.
Stumped on which turbo i should run was leaning towards an s480 t6 but im worried about spool times but im also unsure if id be pushing it on a t4 pt88. the car has no a/c space is plentiful and weight is not a concern as i have already done a lot of weight reduction. I have always been a nitrous guy so AR, turbine size, flange size etx is all new to me. Point me in the right direction. Im on a generous budget but thats not to say the i want to go 2-3k on a turbo either
My new car has a TH400 and it's pretty damn easy to launch and get down the track, especially with a brake. Way easier than my M6 car.
It took me getting trounced by auto cars at lower power levels before I switched. I kept a manual valve body for the shifting fun and control too.
Now I just let go of the trans brake button and off I go. So easy.
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He WANTS a manual transmission, and it's HIS, so that really should be the end of any and all debate about transmissions.
The bigger turbo will give you room to grow, at the expense of spool time. The t4 turbo would spool faster and will stay loaded more at your desired power level.
If space is plentiful, are twins an option? It would help with spool time and backpressure. Just something to consider if you haven't already bought a hotside kit.
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It took me getting trounced by auto cars at lower power levels before I switched. I kept a manual valve body for the shifting fun and control too.
Now I just let go of the trans brake button and off I go. So easy.
mid to low 9s may have been a little over zealous but id like to see a 9 second pass which ive seen done plenty with 6 speed cars
He WANTS a manual transmission, and it's HIS, so that really should be the end of any and all debate about transmissions.
The bigger turbo will give you room to grow, at the expense of spool time. The t4 turbo would spool faster and will stay loaded more at your desired power level.
If space is plentiful, are twins an option? It would help with spool time and backpressure. Just something to consider if you haven't already bought a hotside kit.
It runs 10.40s at 150 ish
He also has a fox body with a stock 5.3 and big single turbo
It runs 8.90s with half the power.
6speeds are fun, but frustrating, expensive, and hard to get down the track nearly as fast as an auto
If you have the room id go twins, it'll be more fun on the street, spool faster, and usually support more power





