long trim out of spec
I have a 2000 gmc and i have notice that even the stock tunes long trim are all over the board all the way to +25 is this typical for a stock truck to have the trims this far off from the factory???? Was woundering if anyone elses truck is like this.
2001 camaro z28 ss vert with factory slp upgrades, Hooker long tubes, 3"y-pipe to a 4" muffler, ,airlid,s.s.r.a. ,t.c.bypass,descreened m.a.f. 232/234 .595,.598 +2 comp cam with ported and polished stock heads with .650 lift dual springs and a bowl grind. tuned with EFI Live. All combined to achieve 29 m.p.g. and 399 r.w.h.p. with 384 lbs of torque. sold...
Now own a 2015 1LE camaro
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