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Location:
Vic
Registered:
January 2003
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Location:
Newcastle
Registered:
September 2002
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Toymods Board Member
Location:
Sydney
Registered:
September 2002
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Re: 2TGEU Exhaust Advice Needed
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Sun, 09 February 2003 21:04
 
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AFAIK.. 2 inch is pretty much the max you want to go... Any larger than that and you will reduce the back pressure in the exhaust in which N/A cars rely on... I have a 2inch on mine going from 4-1 extractors into a supertrapp.. Seems to work fine!
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Location:
Brisbane - Chapel Hill
Registered:
June 2002
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Location:
Brisbane
Registered:
May 2002
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Re: 2TGEU Exhaust Advice Needed
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Sun, 09 February 2003 23:01
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Exhaust gas velocity is only important in the exhaust manifold prior to the collector. Anything after that has no effect on exhaust gas scavenging, so you can make it as big as you like. The law of diminishing returns applies here though; there comes a point where making the pipe bigger does nothing except make the car louder. 2" is probably plenty for an atmo 1.6 litre engine.
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Location:
Vic
Registered:
January 2003
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Re: 2TGEU Exhaust Advice Needed
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Mon, 10 February 2003 00:57
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Well it seems you guys all agree that 2" will work well.
But the other stuff you cant agree on so who's correct?
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Location:
Canberra
Registered:
October 2002
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Re: 2TGEU Exhaust Advice Needed
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Mon, 10 February 2003 01:12
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Mine was a 2.5", but the old 2TG had a bit of work done so... it depends me thinks
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Location:
adelaide
Registered:
May 2002
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Re: 2TGEU Exhaust Advice Needed
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Mon, 10 February 2003 09:21
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how about an 18RGEU ?? my car currently runs a 2 inch pipe over the diff into a stock muffler, i am going to run 2" pacemaker headers.. Will this be ok flow for the new efi 2 litre? i may just get e new straighter pipe and less restrictive muffler.
Peace
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Location:
Brisbane
Registered:
May 2002
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Re: 2TGEU Exhaust Advice Needed
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Mon, 10 February 2003 14:49
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Should be fine provided you have no major mods. The only major bend in the system is the bit that goes over the axle, so make sure this part at least is mandrel bent! FWIW I have a 2.5" system on my 18R-GEU, and it works great but is very loud. I only went this big because I'm going turbo shortly, otherwise I probably would have got a 2" or 2.25" system.
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Re: 2TGEU Exhaust Advice Needed
