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Tech Question
joe cowles, freno, CA, 71 dodge dart 402
I have a crate motor stroker 360 magnum it cranks a few turns before firing and it seems to run to warm at idle...everyonce in a while it while backfire thru carb after being driven for a time then restarted at consistent speed it feels like a small miss...engine has only 4200 miles on it...I am running a 800 edelbrock performer. what is the proper timing for this engine?
Joe-
Sounds like....I'll assume...that this is for street use on pump premium gas.
Timing should be at 33-35 deg BTDC at 3,000 RPM w/vacuum advance disconnected, then reconnect it. This should result in around 10-18 deg BTDC at idle. If the spark is very late is could result in the symptoms you describe.
The miss could be a carb problem, or vac leak, but might also be a dist rotor phasing problem, or, also, just way retarded.
The point is: Get the spark checked and dialed in first!
Rick
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