yes, we have a few of our customers trucks running their 420hp tune with no issues, power feels great. Also we ran their 530 hp tune at the track and ran a 13.499 @ 98.xx..
A buddy of mine is running RCD's 310 tune and took first in the pulls at the fair. He pulled 362 ft. that was 48 ft farther than the competition. So that should say something.
Well it can be hard to actually copy tunes. If you have the right software you can see how the fuel is being injected and all the parameters. Plus I dont know if those two (Josh & Matt) ended on bad terms but they could pretty well be the same tunes and just different names.. Just food for thought!
Josh had RCD a while ago but wan't well known. He built 6.0L injectors for spartan not too long ago. I guess he branched off cause his business started doing better. He was doing it part-time.
O ok, i didn't know that. Learn something new everday
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