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Old 01-28-2022, 08:15 PM   #11
Slowguy
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Join Date: Aug 2017
Location: Chicago,il
Posts: 356
Re: tough time getting a base tune

Quote:
Originally Posted by LS short box View Post
Not an expert but the injectors you are running are pretty big. Was the base tune setup to run with those injectors?
With your engine combo you really need to get it tuned on a chassis dyno IMHO.
I chose those injectors because I followed the LQ4 Turbo Sloppy Mechanics build to the tee. If I have to end up changing them, it's easy to do. I think (if I get the motivation to do it) this weekend I'll compression test all the cylinders, add a few drops of oil to each cylinder, check the fuel pressure, (and maybe, just maybe) figure out how to get a beginning log going with HPtuners.

Oddly enough, my tuner from Russia who always tuned my high performance Audi's said he HATES those injectors. He recommended tuning the base tune FIRST with the stock injectors and only after that's ironed out go with some 100 lb Bosch. So, the consensus seems to be, I need that much fuel for a 6.0 liter running that size of Turbo? Dunno. We'll find out I guess
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