HX35 and HE351 Compounds

[dbshelton]

Would using my stock HX35 and a stock HE351 turbo work together for my 12 valve? I'm looking for 350-400 hp max. with low EGT.

[86burbguy]

Both of those turbos would make a decent secondary.

Twins, compounds use a small turbo for quick spool and to get a larger turbo going.
Then the large charger pressurized the air being fed to the small turbo. The small turbo compresses the air again before it is fed to the engine.

Two turbos of similar size would not be of benifit.

Using a large single has the advantage of high air flow and low drive pressure. The draw back is that large turbos are laggy and hard to light.

Compounds solve this by using a small turbo to light the large one giving quick spool and still allowing high air flow.

[dbshelton]

What turbo to use with the stock turbo?
Sounds like I may be able to reach my goals just using a single HE351 and forego the 2nd turbo. Would you agree?

[86burbguy]

If 400hp is all your looking for, yes you could get there with a he351.

As a primary, a s400 series turbo or ht3b would work.

[itsbrokeagain]

I have a 351 with the ht3b. From what I've read it's a pretty common setup, and the 351 will be a better performer by itself than the hx35.