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Makes sense, thanks dude! I certainly don't mind - I'll have enough to spend money on... -
generally, a cam that is meant for a NA car does not do well on a FI engine. For a turbo motor, more overlap = bad. You are better off to stick with your stock cams and spend your money elsewhere on the turbo system. This is not my opinion from personal experience, but just my understanding after reading the book "Maximum Boost."Originally posted by BigD View PostLeave a comment:
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I wouldnt get sunblets if you are building your car for turbo because they are so aggresive.Leave a comment:
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Help me make heads and tails of turbo selection/compressor maps
I'm trying to learn about turbo setups and pick components. My goal is 400-450 flywheel HP out of the S52 (first I'll do Sunbelt cams and 3.5 maf this winter, but I'd like to start hounding ebay etc for the turbo components, I need to know what to look for though). I don't want to rebuild the whole engine, just MLS gasket and ARP studs, so I'm hoping to get into my ballpark at a reasonably safe 9-10psi.
I've been reading Garrett's site and most things make sense except for the part about picking turbos. I tried to estimate things using their equations but I could be totally out to lunch on the figures. It seems like the ideal turbos for what I want is either the GT2876R or even the GT3582R. My estimated ratio and flow seem to fall into the ideal range for those. But I don't get how the surge lines work. I mean I understand the max. But how do I know if at lower RPM my engine won't put it in the choke area...
If someone has experience doing exactly what I'm talking about, any constructive comments or suggestions welcome.
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