Sierra denali 6.2 needs more top end
10-29-2014, 01:45 PM
#11
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U can get custom tuning thru that diablo trinity and it will wake that 6.2
Up .. Theres sponsors in here including diablewtunes.com that can get you email tunes theu the trinity..
Up .. Theres sponsors in here including diablewtunes.com that can get you email tunes theu the trinity..
10-29-2014, 03:17 PM
#13
"You need X backpressure" is a myth. If anybody ever tells you that, they truly don't know what they are talking about.
Example: In my shop, if we suspect a bad/clogged cat, we remove the pre-cat oxygen sensor and install a backpressure gauge. We typically see about 3 psi backpressure at 3500 rpm, and 4.5 psi backpressure at 5500 rpm, on a bone stock exhaust system in good condition. Numbers higher than that indicate a restriction in the cat or muffler.
Example: In my shop, if we suspect a bad/clogged cat, we remove the pre-cat oxygen sensor and install a backpressure gauge. We typically see about 3 psi backpressure at 3500 rpm, and 4.5 psi backpressure at 5500 rpm, on a bone stock exhaust system in good condition. Numbers higher than that indicate a restriction in the cat or muffler.
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