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| Engine, Transmission and Drivetrain Discuss Engine, Transmission, Drivetrain, and all other performance modifications here. |
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#2
01-03-2008, 10:40 PM
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Re: 4g63 boost
Assuming completely stock, I wouldnt push it past 14-15 pounds.
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 Build on hold until I get a good paying job, either in school or once I get out. At that time a full tear down and complete rebuild should be in order. The Purple People Eater will ride again... January 2011 can't come soon enough. 
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#3
01-04-2008, 11:23 AM
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Re: 4g63 boost
that is IF the motor is in good condition and your fuel is sufficient.
__________________
 Don't act like you don't love it.
503/2000
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#4
01-05-2008, 11:55 AM
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Re: 4g63 boost
15 psi is safer on a 2g than 1g due to the fact that we have more fuel pressure. I wouldn't go past 13 to be safe at least until you have the fuel to support it.
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MODS , 2g pistons, cyclone intake manifold, ported 1g head, 60mm tb, greddy type s bov, apex-i n1 exhaust , ngk spark plugs, 3 angle valve job, autometer boost/vac, autometer air/fuel ,autometer oil pressure ,cross drilled rotors ,turbonetics boost controller ,air filter ,remove dump tube, 14b turbo and the ac still doesn't work and its been almost 3 years
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#5
01-06-2008, 04:06 AM
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Re: 4g63 boost
The change in fuel pressure between the two models is irrelevant. The resulting AFR is what matters, and they should both be the same. The 2g has a bigger fuel pump however, which is noteworthy.
The original question is somewhat vague. The motor itself can take 35 psi, or whatever boost it takes to make ~550 whp. The question was mostly likely more about what the setup as a whole can run for boost. Just a pet peeve of mine...
__________________
Kevin Jewer RWD Talon - 7.92 at 180 Mightymax - 10.7 at 125
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#6
01-11-2008, 12:46 PM
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Re: 4g63 boost
my motor isnt realy built to much, just has a brand new head on it metal head gasket new water pump, front mounted IC boost conroller new stock turbo and intake.. and im running about 18-20psi and it handles pretty good
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#8
01-29-2008, 10:24 AM
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Re: 4g63 boost
How much fuel/knock do you have because that is going to be your biggest hinderance.
And 14bs will run 12s with time and experience
__________________
Don't act like you don't love it.
503/2000
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#9
01-29-2008, 03:28 PM
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Re: 4g63 boost
I wouldnt push it too much, cars are different. I would get a logger if you dont already have one and just log it and see how your doing.
__________________
-1997 Eclipse Spyder GST |Stock| -1990 Eclipse GSX |ACL Main & Rod Race Bearings|Balance Shafts Removed|ARP Head Studs|Cometic HG|FP 20g TDO6H|EPROM Chipped (stutter box 5k, fuel comp.)|PTE 680cc inj.|Walbro 255 HP Fuel Pump|Autoteq FPR|SAFC 2|FMIC|2g MAF|Dejon Tool Hard Pipe|Greddy Type S|MBC at 17PSI|Ported 2g Exhaust Manifold|02 Housing w/ Tial 38mm WG|Full 3inch Exhaust w/ Y-pipe Cutout|Fidanza Flywheel|ACT 2100|4 Bolt LSD Rear|Poly Mounts|KYB AGX Suspension|Roll Bar|
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#10
01-30-2008, 12:50 AM
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Re: 4g63 boost
I went to 16 psi lik nothign on my 1g?And it ran strong fro like 3 years and then sold it.
__________________
1996 GSX - Apexi N1 exhaust and downpipe,NGK 10.2 mm plug wires,HKS intake,Blitz turbo timer/boost controller 2003 avalanche 
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