 DA greddy SP, more like a ST question... |
 Jun 3, 2003 - 1:17 AM
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 Enthusiast  Joined Oct 3, '02 From Diego Currently Offline Reputation: 1 (100%)  |
I know the greddy SP iz made for the GT but boltz onto GT an ST with np. But my question about this would be, is it realli advised to bolt it onto the ST? Because I hear that for pipin, 2.5 iz good for a GT while 2.25 iz good for a ST an since the pipin for the SP iz 2.5, does it take any type of compression away? Kinda dumb to ask but like I just wanna hear anotherz opinon regardless...im still deciding on what 2 get...
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Replies
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Jun 3, 2003 - 1:27 AM
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 Enthusiast Joined Aug 30, '02 From Michigan Currently Offline Reputation: 0 (0%) |
im almost 100% that the SP has only 2.25 piping... anyways, no it wont take anything away as far as compression. thats mapped by the ECU, all that it will do is induce the ECU to up the intake capacity to keep the normal compression (what is it, like 9:1 or something like that, i dunno). anyways that is a good thing. and it is also a reason air system mods should be done as a package.
--------------------  Believer, you'll leave her, in leaving them all No but I don't buy it Like anything you do, as anyone you are Cause I'm... Ten Speed, of God's Blood & Burial |
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Jun 3, 2003 - 1:34 AM
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 Enthusiast Joined Aug 30, '02 From Anaheim, CA Currently Offline Reputation: 0 (0%) |
im not exactly sure but i think you guys are talking about back pressure and not compression, compression has to do with the internals of the engine, not the size of the exhaust. -------------------- 1994 Celica GT4 WRC Edition
@gt4.wrc on Instagram |
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Jun 3, 2003 - 4:16 AM
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Enthusiast Joined Oct 3, '02 From Diego Currently Offline Reputation: 1 (100%) |
sorri..yah back pressure...
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Jun 3, 2003 - 1:09 PM
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Enthusiast Joined Aug 30, '02 From Michigan Currently Offline Reputation: 0 (0%) |
ya, i was just going off what he said, but ya you wont have any backpressure issues, like i said im just about positive that its only 2.25 piping anyways.
-------------------- Believer, you'll leave her, in leaving them all No but I don't buy it Like anything you do, as anyone you are Cause I'm... Ten Speed, of God's Blood & Burial |
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Jun 3, 2003 - 11:13 PM
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Enthusiast Joined May 5, '03 From Toronto Currently Offline Reputation: 3 (100%) |
The sp piping is 2.25.
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Jun 3, 2003 - 11:33 PM
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 Enthusiast Joined Aug 29, '02 From ny to philly Currently Offline Reputation: 0 (0%) |
actually the greddy sp's piping is 60 mm which equals 2.3622 inches.
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Jun 3, 2003 - 11:35 PM
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Enthusiast Joined Aug 30, '02 From Michigan Currently Offline Reputation: 0 (0%) |
thanks for the conversion for us lazy people pete 
-------------------- Believer, you'll leave her, in leaving them all No but I don't buy it Like anything you do, as anyone you are Cause I'm... Ten Speed, of God's Blood & Burial |
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Jun 4, 2003 - 2:01 AM
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Enthusiast Joined Oct 3, '02 From Diego Currently Offline Reputation: 1 (100%) |
very nice~. I belive I'll make my decision now...
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