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machinestheman 05-27-2006 03:02 PM

varijet carburator ????????
i am using a rechester varijet 2 on my 2.0 gm product i have it mounted and partially tuned but i need to try to find some information on how to tune this carb for more performance and overall driveability i am also at a loss as to where i should run the ignition timing i have set it close but if anybody has put any work into an 2.0 pushrod gm let me know what you did thanks

NorthStar 05-27-2006 05:42 PM

You need to get your hands on Chevrolet Power catalog 6th edition. Oldy but a goodie. :thumbup:

They recommend 31 degrees total timing.
Plus theres lots of other stuff in there too.

machinestheman 05-27-2006 09:23 PM

timing , 2.0
hey thanks just one question is that 31 degrees before or after the advance

NorthStar 05-28-2006 07:37 AM

initial timing + advance curve = total timing

I would start with 10 degrees initial, youre going to need a timing light with retard feature to check total timing.

What are you using for an ignition system?

machinestheman 05-28-2006 05:30 PM

ignition system
i honestly am not sure but i know the coil is a hotter coil and the ignition module inside the distributer has been up graded and will jump a 6-7 inch spark from the plug wire but other than that i believe it is all stock as far as the ignition system

another question is what determines when the timing advances i know it is not vaccum

machinestheman 05-28-2006 05:32 PM

carbeurator help
hey guys im still looking for some more information on a rochester varijet 2 any body got some good info i would like to hear it

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