Rear mount HX35 heat issue?
Rear mount HX35 heat issue?
okay so ive pretty much decided to use an HX35 due to cheap and widely used on turbo doge diesels. anyways im on stock bottom end right now so was planning on only running 5psi till i get a forged engine. i have heard that rear mounting is not effecient because you lose a lot of the heat by the time the exhaust gas gets to the turbo. will this loss of heat kill the boost im looking for? will i be able to get decent power out of this turbo set up? also will i need an intercooler with a remote mount? thanks any help is appreciated
Re: Rear mount HX35 heat issue?
I"ve done lots of STS installs which is rear mounts as you prolly know, just size the turbo properly, you can easily have something that spool immediatelly and get you that 5 psi, front mount is nice but just yesterday we finished putting a turbo on a 2001 Tahoe, it spool off idle, put it in drive, touch the pedal to move forward and wooeoeooeoe, give it any load and she's wistling like she's doing 200,000 rpm already, so its all in the sizing, this one had a .50 A/R on the compressor and .96 A/R on the exhaust, the truck weighs a lot though, and this is a small turbo in the STS line, but in the 4 cyl world this would be considered rather big mounted in the front, on a V8 its ok if mounted in the back and a huge restriction when mounted in the front. You can get away from smaller turbos that spool quicker when mounting in the back since the exhaust temprature is lower in the back so you put a smaller turbo, hot gases take up a lot of area so you need a bigger turbo to do the same, there is more to it in theory but I'm talking I've done a hand full of STS installs and I must say its real nice especially to remove it, its simple.
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chevroletfreak
LT1 Based Engine Tech
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Jul 4, 2005 05:00 PM



