|06-05-2002, 03:53 PM||#1|
Join Date: Apr 2001
Location: Atlantic City, NJVehicle:
FXT 11.6@118 93 oct
NSX 450 whp SC'd (93 oct)
stroker kit -->full boost sooner?
OK, fella's, here's a question for you. If you stroke an EJ20, how much sooner should one expect to see full boost?
I know that's an extremely open-ended question, so if you want it with less variables, here's what I'm scheming...
A 2.2 or 2.4 stroker kit, and a TD05-18G turbo (flows 600 cfm on a 2.0 liter @15 psi...so its a big honkin' turbo!)
Or, if you prefer, how would my current TD05-16G (505 cfm) spool-up change if I did a 2.2 or 2.4 stroker? Right now I have full boost at 3300. I suspect that for every .1 liter displacement I add, I can expect ~100 RPM sooner to full boost, but I could be totally wrong on this. Also, for arguement's sake, let's say full boost is 1 bar (14.5 psi)...obviously part of the point of an EJ20 stroker kit is the ability to run serious boost (1.5-2 bar), but let's discount that.
Can anybody break me down on the relationship of displacement to turbo spool-up times?
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|06-05-2002, 08:25 PM||#3|
Join Date: Nov 1999
Sure, more displacement = more exaust flow all other things being equal.
Use an EJ-25 crank and stock bore for a 2.2L I think a EJ-22 block and a EJ-25 crank is the 2.4L (guess), and the EJ-25 crank in a EJ-25 block= 2.5L (amazing huh?)
I'd just hit up a EJ-25 shortblock with custom rods and pistons personaly.
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