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Old 02-04-2008, 10:20 AM   #1
-dc-
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GTX boost

hi guys, just a quick question.

how much boost can an internally stock GTX engine hold before it starts doing damage, i want to wind the boost up a little but i don't want to put my engine in danger of breaking parts.
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Old 02-04-2008, 02:00 PM   #2
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about 1 bar ( 14 psi )

the engine computer doesnt have fuel maps past that anyway so you'd need to upgrade to an aftermarket ECU , which is a major upgrade
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Old 02-04-2008, 03:53 PM   #3
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ok cool, thanks
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Old 02-04-2008, 03:53 PM   #4
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After major bolt on mods, still wouldn't run over 18psi.
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BG Astina + GTR conversion + Microtech ECU + FMIC + 3" pipes and Exhaust x 21psi boost = 12.168 to the power of 326whp
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Old 02-04-2008, 06:12 PM   #5
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I think Chris on 323GTX was running around 300bhp for over a year and no problems on std internals.

Its all in the tune and frequent oil changes.
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Old 03-04-2008, 09:17 AM   #6
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it also depends on how you drive it
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Old 03-04-2008, 05:03 PM   #7
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211wkw @ 16psi with stock internals shows they can handle alot with a perfect tune
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