GM reflash......water/meth - Page 2 - Tuning Forum

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Re: GM reflash......water/meth
Friday, March 15, 2013 4:15 PM
Just to add....

I ran my tank as low as I like to and filled up with Shell 91....

Maybe its just a coincidence but less knock....

Ill have it out on the highway tommorow and that will be a better tell since its hard to gauge fully on wet roads and in traffic.

Re: GM reflash......water/meth
Saturday, March 16, 2013 4:35 PM
I lied...shell knocks too....
Re: GM reflash......water/meth
Wednesday, March 20, 2013 12:51 PM
Sorry to hear it man. That's gotta be frustrating.



"In Oldskool we trust"
Re: GM reflash......water/meth
Wednesday, March 20, 2013 1:26 PM
Yup.....Going to run Shell for a couple more tanks. We are still on winter gas as well so that may make a difference.

The odd thing is the knock value never goes above 7.9....just goes to 7.9 and stays.

I was under the car the other day and doing a oil change and found my coolant pipe sitting on my intake manifold. I was so excited I had thought I found the source of the problem..lol.

This weekend the exhaust is going on...maybe its been plugged for a year.
Re: GM reflash......water/meth
Thursday, March 21, 2013 12:17 PM
Got the Aeroforce installed and I get 0 knock whether it be full throttle, part throttle, partial or full boost. This is on BP gas and then Speedway gas.



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