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Its a lb9 (305 tpi) new heads and holley steath ram. Spark is weak and all the ignition stuff is new msd stuff timing is right but when it was off a tooth I got it to back fire I don't get nothing now
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Some ideas:
Distributor 180* off
Rockers not properly adjusted (valves stuck open)
Major vacuum leak
1998 Camaro Z28 - Bright Red, 6.0 TR224, 4l60e, 3.42 Eaton TrueTrac
1989 Camaro IROC-Z Convertible - 355 big tube TPI, WC T5, 3.42 Zexel Torsen, CTS-V/C4 brakes
1955 Bel Air 2 Door Post - 357 TPI, Muncie M20, 4 wheel disc
2006 Saab 9-7x 5.3i Daily Driver -
Agreed, 1 tooth usually wont get you a backfire. sounds like it's 180 out.'73 Z28 388 Stroker, M22 Rockcrusher 4 speed
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180* off or right on and its not 180* off u will still get sparkComment
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Come again?Originally posted by sojer View Post
It sounds like you're not firing on the compression stroke. Or your timing is incredibly far off. Or your plug wires don't match up to the firing order.
1998 Camaro Z28 - Bright Red, 6.0 TR224, 4l60e, 3.42 Eaton TrueTrac
1989 Camaro IROC-Z Convertible - 355 big tube TPI, WC T5, 3.42 Zexel Torsen, CTS-V/C4 brakes
1955 Bel Air 2 Door Post - 357 TPI, Muncie M20, 4 wheel disc
2006 Saab 9-7x 5.3i Daily DriverComment
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