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View Full Version : Longtube-Retune?


ShortWideVortec
01-04-2008, 12:52 PM
After I install my longtubes will I need to have my PCM tuned for them, or will it be fine for a while?
91chevZ71
01-04-2008, 01:22 PM
fine for a while, I would think. couldn't hurt to retune, it's only gonna run better
TITANIUM
01-04-2008, 04:57 PM
You may get the evil RPM fluctuation off idle. If it does, get a retune and it will fix it.
Pauly
01-04-2008, 10:22 PM
It will run fine, but for max gains PCM tuning will be needed.

peace
PAuly