Originally posted by The EX- Striped SVT:
Quote:
She's getting 18.5 MPG highway now with the reprogram and can average 15-16 in town too
Thats truely amazing when you consider our 04' Ranier w/ the straight six (4.2L) and 3.73 gears gets 18.8 mpg on the freeway and about 12-13 mpg  As far as your exhaust goes, well, I didn't know you had a leak, seriously, but damn was that thing loud 
Yeah, programming is nice. I actually had it above 20 mpg average for a good hundred miles on Wednesday when the cold front was moving through... going along with a stiff 30 mph wind. I had to come back against it getting 15-16 interstate and it averaged right back down to 18.5... Wish I would have filled up and saved the 20.x one, LOL!
Yeah, Silvie was really loud at SZ'02. The loose manifold to exhaust flange ended up cracking another pipe loose behind it. Made her run pig rich too and still put down 180/180 on an SE 3l junkyard refugee engine. 
At least if the truck has loud exhaust, the 6L V8 will just sound mean as hell instead of a bunch of really pissed off bees.
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