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2013 zl1 camaro tuning help

Motorsport Composite Fundamentals

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I've got a customers 2013 zl1 camaro and need a little help tuning. heres the build - cold air intake , headers , gt14 lingenfelter cam , lingenfelter ported heads 9.55 bottom pully(23%) and 2.55 supercharger pully, meth injection , larger injectors

The problem is its great at 60ft times (1.70) but seems to not have great top end pull 1/4 mile times are 11:4 but only 114mph , seems to not run clean on top end , slight sputter at times

I believe there is a timing issue possibly.

AFR 11.6 at full throttle , no KR while running the meth and only a bit at initial full throttle with out meth.

any info on what to look for in the data log or tune would be great . we have to road tune as the closest dyno is a 9 hr road trip

I cant seem to attatch data log or tune???

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