Thread: Backpressure
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12-20-2004 01:23 PM #1
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Backpressure
Backpressure
I have been given both answers on the backpressure question: Yes. You do need backpressure in your exhaust.
And, No. The less restriction the better.
So what’s the answer? Do you need backpressure or not? And why or why not.
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12-20-2004 02:04 PM #2
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You need some back pressure to prevent all of that fuel/air you just scavenged (sucked) into the cylinder from scavenging right on out.
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12-20-2004 05:05 PM #3
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You do need some but, too much will restrict hp but none, as 76GMC1500 said is not good.You don't know what you've got til it's gone
Matt's 1951 Chevy Fleetline- Driver
1967 Ford Falcon- Sold
1930's styled hand built ratrod project
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Thank you Roger. .
Another little bird