LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Back Pressure

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Old Sep 10, 2003 | 04:23 PM
  #1  
Red96Lt1's Avatar
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From: Birmingham, Al
Back Pressure

I've heard that if you have nearly no back pressure (ie long tubes, !cats, and a cat back) is bad for low end torque. Can someone explain this.
Old Sep 10, 2003 | 04:37 PM
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Smile

It should be Long tubes, ! CAT, and Cut-Out..

You've got a V8, don't worry about it..unless you get headers with 2" primaries..
Old Sep 10, 2003 | 08:06 PM
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It just seems like you have less low end cause you make up a lot on the top end.
Don,t worry about it, the LTs and exhaust will more than make up for it up top.
Old Sep 11, 2003 | 08:13 AM
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Red96Lt1's Avatar
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Thanks!
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