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Joined: 13/11/2006(UTC)
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I need a a new exhaust and extractors for my mildly worked worked 6 cylinder holden The sizes on primaries, secondaries and outlet vary from one brand to another. What should i be looking at buying and why? car is not driven every day, its a 202 with stage 3 head and soon to have triple sus any suggustions? many thanks Edited by user Tuesday, 26 January 2010 9:29:20 PM(UTC)
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Rank: Member
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Joined: 16/06/2005(UTC)
Posts: 424
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The advantage of going with larger primaries and exhaust diameter is that youll get better flow up high in the rev range so if its a high revving monster you are using for quarter mile or track use Id go with the biggest.
Going with the smallest will give you less flow up top but will maximise your low end torque - good for a streeter.
In between will be a nice cruising size - a 2.5" main pipe is a sweet size for a 202.
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- HJ turbotonner looks and goes like a sneezing rhino on heat! - |
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- HJ turbotonner looks and goes like a sneezing rhino on heat! - |
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Rank: Veteran
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Joined: 28/03/2008(UTC)
Posts: 1,903
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triple carbs go BIG primarys,for breathing,if you dont it will suffer alot of small problems like,flooding ,poor economy(triples ha ha)..I should have said REALLY POOR ECONOMY.
Jim in Adelaide...Hindsight is bad vision! |
Jim in Adelaide.. |
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Rank: Member
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Joined: 14/06/2007(UTC)
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If its not a race car, dont go for the setup that gives ultimate power at maximum revs. Thats too much of a compromise elsewhere.
I have a nice 202: biggish cam, 10/1 comp, stage 3 head, twin carbs. Ive got Genie extractors that are big but not the biggest, a 2.5 system right through. Single, large straight-through muffler.
Sounds tough as, goes well, all you need.
"Silly modern cars" |
"Silly modern cars" |
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Rank: Member
Groups: Registered
Joined: 13/11/2006(UTC)
Posts: 50
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thanks for your input guys
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