Engine/Transmission (1998.5 - 2002) Hx35 good to what Horsepower?

[NoSeeUm]

OK thanks. How thick is the plate?



Jim

 

[NoSeeUm]

Digging this thread back up.....

{snip}



A good mod for a little peace of mind when pushing the HX35 would be to drill the divider in the exhaust housing to get all six cylinders to wastegate. Stock only the back three dump, so the drive pressures/egts in the front cylinders could/would be significantly higher than the back. This also helps the wastegate keep the boost in check. There's other mods of the sort, but the drill method looks quick and easy.

Well I got to talking with a fellow about this. He said that cylinders 5 and 6 will always run the hottest and ussually fail first. For that reason he believed that it might be better to let the waste gate dump the exhaust off of 4, 5 and 6 under high drive pressure to achieve better results.



Comments?

The HX35 can support a LOT of hp, but it all depends on how it's being used.



On a stock engine, it might support 350 hp @ around 32psi of boost.



With an aftermarket cam (like a Helix 2 or somesuch), it would probably support 425+hp or more @ around 32psi of boost.



{snip}

I noticed that my maximum boost dropped from just under 32 psi to 27-28 psi after I had the cam installed.



Jim