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I run 110 leaded fuel. I have removed up to 4 degrees of timing and it still retards. I have never needed to adjust the knock sensors before.

The pump is mounted in the stock AC compressor area. Belt driven

I have a solid roller ls7 race motor to which I recently added a daileys dry sump system. Now on the dyno it is retarding timing up to 3-4 degrees in some areas. This is on the same tune as before...

Yep, Dual chain. It is doing the same as yours! Thanks.

Here is the tune. Thanks!

As far as I know. Car had no issues until the cam swap.

Hey Guys,
I have a 2006 GTO with a 234/242 .600 lift cam. It idles and runs great. Only issue is it won't start up on first crank at times but will start immediately on 2nd try. Almost like a bad...