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bubba428 · 08-18-2008, 06:43 PM

turn you distributor clockwise about 4 degrees timing (thats 2 degrees on the dizzy), and richen the mix just a little bit....then use the throttle set screw to hold the motor at 2000rmp and adjust the timing. counter clockwise till it runs crappy then clockwise till its smooth. then with it still at 2000rpm turn you adjustment screw in the same maner tighten till it stumbles and loosen till its smooth. repeat as necessary. there are better more exact ways but thats the best way for a quick tune by ear.

Did I miss anything?.......

O check all your vacuum lines for cracks and other leaks...I think you may be either lean or to far advance...do what I said, that should get you closer to 100% depending on your ear

08-18-2008, 06:43 PM	#2
bubba428 Join Date: Jan 2007 Posts: 5,623 iTrader: (0)	turn you distributor clockwise about 4 degrees timing (thats 2 degrees on the dizzy), and richen the mix just a little bit....then use the throttle set screw to hold the motor at 2000rmp and adjust the timing. counter clockwise till it runs crappy then clockwise till its smooth. then with it still at 2000rpm turn you adjustment screw in the same maner tighten till it stumbles and loosen till its smooth. repeat as necessary. there are better more exact ways but thats the best way for a quick tune by ear. Did I miss anything?....... O check all your vacuum lines for cracks and other leaks...I think you may be either lean or to far advance...do what I said, that should get you closer to 100% depending on your ear __________________ 2000 Tahoe Z71 5.7 1982 Z28 Pacecar 305 1999 S10 Last edited by bubba428; 08-18-2008 at 06:51 PM.