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02-04-2008, 10:20 AM | #1 |
Senior Member
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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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02-04-2008, 02:00 PM | #2 |
Senior Member
Join Date: Mar 2002
Location: Melb, Aus
Car: Mazda 323 BA BPT transplant
Posts: 3,459
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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 |
02-04-2008, 03:53 PM | #3 |
Senior Member
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ok cool, thanks
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02-04-2008, 03:53 PM | #4 |
Senior Member
Join Date: Apr 2004
Location: SE QLD, Australia
Car: Turbo BG Astina
Posts: 792
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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 |
02-04-2008, 06:12 PM | #5 |
Junior Member
Join Date: Mar 2007
Location: Manchester UK
Car: 323f turbo
Posts: 39
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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. |
03-04-2008, 09:17 AM | #6 |
Senior Member
Join Date: Mar 2002
Location: Melb, Aus
Car: Mazda 323 BA BPT transplant
Posts: 3,459
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it also depends on how you drive it
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03-04-2008, 05:03 PM | #7 |
AstinaGT Regular
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211wkw @ 16psi with stock internals shows they can handle alot with a perfect tune
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1996 ST205 Toyota Celica GT4 *Gone* 1991 Astina GT, 102wkw/138whp Built a KL-ZE 220whp engine for a KF Laser |
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