Turbo help, like which size and if it'll work
okay this is what I'm planning, I have a 3.1L pushrod... and I want to know a few questions, before I plan on a turbo project. First of all the setup I'm planning will be an intercooled twin turbo, one right at the end of each manifold (header, whatever). I would like to see around 400HP give or take a lil bit. I was thinking around 20 lbs of boost, would be a good target to aim for figuring it won't be a perfect setup so that should get me around where I need to be. First question, I was looking at the GT25, will they be small enough to spool off of 1.55 liters, and what kind of spool up time would I be looking at. I don't have a very broad RPM range to work w/ so I need a rather quick spool. Don't worry about a built up motor handling it unless you really really think it won't handle it, because I'm working on that too, just don't want to get into the details here, I need more turbo help then that.
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