Boltons completed... Tune worth it?
Pacesetter LTs with Air & Egr
3" catted Y
Borla Catback with QTP Cutout
Ram Air
A/c delete
4.10s
I remeber when i did a ls6 intake longtubes and a lid on my z28 it was nice, but after a tune holy hell was it better.
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If you change anything on your engine that affects the fuel mixture, spark or the movement of air in or out of your engine, then you need a tune. You'll need a to change the tune for those 4.10's as well.
If it helps, I ran 13 flat in the 1/4 at about 2300 or so DA on Ebay headers, ory, no air/egr, 3.73's, 3600 stall, and some ET Street Radials






