Kevin's Compound Sequential Twin Turbo Design

[CanisLupus]

No proper Graph available? Revs vs hp/nm would be Nice.

[V8KILR]

I've decided to pull the TH400 out and put my Getrag V161 back in the car. Testing on the street with the compound setup, it still doesn't launch as hard as I want it to with the auto and nowhere near as hard as it used to launch when I was manual.

 

Unfortunately this means the compound setup is coming out. Despite showing great promise for spool, the rear down pipe doesn't leave any room for the clutch master cylinder where it bolts to the firewall. I'll be going back to a small single turbo setup (probably a MasterPower 6564) bolting on to the SPA manifold (to keep it simple), and with E85 it should still make pretty good power. With the Precision 6870 showing such good results, I may look at running that turbo later on if it can clear the strut tower when bolted to the SPA manifold.

 

There were still some issues with the compound setup with oil drain leaks and the big issue was that the thin wall stainless pipes were getting red hot with just one dyno run and the associated heat issues that can cause. Both are fixable, but not easily so and made harder by needing to allow for the clutch master cylinder.

[mellonman]

Thats a shame dude but , I take my hat off to you for giving it a very good try,

[Shane]

Sterling effort though and good luck with the new direction, that's the car not the boy band.