Quote:
Originally Posted by roybotnik
I'm looking at buying this kit and trying to decide between the C30 and C38.
What's the risk with the C38 - pushing the stock motor to the limit? What's needed (recommended) to run it? I assume upgraded injectors, a tune, possibly a fuel pump. I would prefer not to pop my motor and/or run the system in an inefficient way. I have 93 octane here and that's what I would be running. Sorry If this has already been discussed to death in the thread.
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Depends on how much money you want to spend. A C30 on a stock motor with E85 will put you over 300whp, and there are others running the C38 on a stock motor with E85 pushing close to 400whp. I dont know many that are running the C38 on the stock engine with 93 pump gas. If you're going to go that route I would build the engine and drop the compression. I would say a felxfuel tune and the C30 would be pretty good for a DD. That way when you want more (and you probably will) you can just top off with E85 and go have fun.
Just keep in mind all the power will be up at the top and there isnt much down low with centrifugal superchargers.