what longtubes for 5.3
12-16-2008, 12:51 AM
#12
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This will take you straight to them!!!
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12-16-2008, 09:01 AM
#13
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funny how everyone wants pacesetters mainly due to the 3" collectors, but most feed a single 3" exhaust or dual 2.5" pipes. I'd go with OBX if thats the case.
12-16-2008, 09:01 PM
#15
I understand the 3" collectors on cammed/headed or larger cubed engines, but the 3" y-pipe doesn't make sense to me, especially since, like you mentioned, most run that into a single 3" or dual 2.5" system. The 1 3/4 primaries are kinda big for alot of combos also...a mildy cammed, bolt on 5.3 would problably be more suited for 1 5/8 primaries. (My SW's have 1 3/4 primaries but that's the way they came, and I plan a 6.0 in the future)
12-17-2008, 09:46 AM
#16
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My buddy got the Pacesetters this past summer and I got to say for the price I think they are damn nice headers and y pipe!
They are a little pricey but I have the lts from Arizona Speed and Marine and they are holding up very well, have had them on for 3 winters now and they still look great, only 2.5" collectors though wish they were 3".
They are a little pricey but I have the lts from Arizona Speed and Marine and they are holding up very well, have had them on for 3 winters now and they still look great, only 2.5" collectors though wish they were 3".
12-17-2008, 05:01 PM
#20
none of these headers will fit a 5.3
they will only work if you have either a 4.8 or a 6.0
the 5.3 uses a different canooter valve modulator on the EGR tube crossover, making the pacesetters and dynatechs ineffective at the rpm range we want to stay at, to make a constant power level, its a simple lambda coefficient.
they will only work if you have either a 4.8 or a 6.0
the 5.3 uses a different canooter valve modulator on the EGR tube crossover, making the pacesetters and dynatechs ineffective at the rpm range we want to stay at, to make a constant power level, its a simple lambda coefficient.