1st 2014 Supercharged gm Denali 6.2 with mods. 1/4 mile
09-18-2014, 12:22 PM
#22
In stock form in the 1/8 mile it ran 9.4 seconds...with the SC it ran 8.6 seconds ...and with th addition of the headers it ran 8.37. Not a bad gain from tne headers. My only regret is that I never got to see the increase in the 1/4 MILE form stock to the addition of the SC. I was only able to run a stock 1/4 mile and a 1/4 mile with SC and headers. I do know that I gained nothing in my 60 foots with the headers. There is still some more fine tuning to be done.
09-18-2014, 12:28 PM
#23
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09-18-2014, 02:43 PM
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I didn't avoid the question, I just didn't know there was such that as a maggy tune. So the answer is that it is a custom tune. Magnussen doesn't make any tunes, they rely on a company in Alberta to build tunes for the 2014 trucks with the 6.2l. The company that. built and tuned my truck is Dasilva Motorsports out of Kitchener ontario. The 5lbs of boost was info given to me by my builder as I don't have a boost gauge in my truck
09-18-2014, 03:26 PM
#26
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You should for sure add a boost gauge, and a wideband. I use one of these: Wideband Failsafe Gauge | AEM and it's a great all in one gauge. You can show boost on the digital display and AFR on the outside display to check what boost you're running at then change it to show AFR on the display for daily driving. It's a good price too for both features.
