Thread: Holley 600 V/S Help

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Need some opions on this Holley 600 V/S. Trying to fine toon it. Problem , Smash it to floor goes quiet [ just dies no back fire ] once let up lt take off like hell. Shifting 5800 in 2nd and 3rd with no problem pulling real hard. Chevy 355 with comp xe 268 cam 10-1 compression and dart 64cc heads / 180cc runners. Rear gear is 373 with automatic 2400 stall. I have 6.5 power vavle told need 4.5 . I was told It was coming in too soon. Other than that car runs flawless. I have new Holley 750 V/S did'nt get chance try it.

I found problem today , the car wanted more timing. Bumped it up 4 degrees made world differance.

Originally Posted by cookster

I found problem today , the car wanted more timing. Bumped it up 4 degrees made world differance.

Hey,.... glad to be of help!