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4G63 p.s.i


91 Eclipse
02-21-2005, 07:36 PM
I have a N/T 2.0L DOHC 4G63 Engine on my 91 Eclipse GS and I was wondering if I were to turbo it what p.s.i. could it handle with stock internals.

mitsu_eclipse95gst
02-21-2005, 07:41 PM
my buddy put turbo cams in his and he is boosting 18 right now. i'm not sure what other diffrences there are besides the cams.

1stGenRocks
02-21-2005, 07:52 PM
the pistons are different too. NT use high compression pistons and the turbos use low compression. 18 psi is much more then i would run on a stock NT block. i would recomend about 9 since thats the lowest the 14b wastegate lets you boost. there is lots of other stuff that needs changed to turbo a NT too.

mitsu_eclipse95gst
02-21-2005, 07:54 PM
that's why it's not mine lol he has had this thing turbo for over a year now lol he has a big 16g also not the 14b

mitsu_eclipse95gst
02-21-2005, 11:02 PM
here is every thing you will have to do http://www.dsmtuners.com/forums/showthread.php?t=48231 i got this from VFAQ

91 Eclipse
02-22-2005, 04:48 PM
thanks its greatly appreciated

91 Eclipse
02-22-2005, 08:32 PM
If I through some aftermarket pistons, rings, cam and all the good internal shit about how many lbs of boost could I put on it without screwing all the internals up.

1stGenRocks
02-22-2005, 09:02 PM
if you do pistons, rods, rings, etc then you can basicly boost as much as you can supply fuel for. granted if you screw up at all boost that much you will break shit but thats what happens

91 Eclipse
02-22-2005, 09:05 PM
Yeah I wouldnt Boost alot I just want it to go faster then it is right now. Thanks though

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