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Topic: Breaking-up at 3500+ rpm

in Forum: C3 Engines


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Breaking-up at 3500+ rpm

Posted: 4/23/05 1:51pm Message 1 of 3
dan4spd
Former Member
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Madison, NJ - USA
Joined: 1/23/2005
Posts: 3
Vette(s): 1973 white convertible 4 speed L82

I purchased the 1973 vette this winter and finally getting around to working on it.  It has always stumbled at 3500+ rpm so I installed new points, condenser and plugs - set the Dwell at 30 degrees and the timing to 8 degrees BTDS at 900 rpm.  All pretty much standard stuff - but found no real improvement.

Any suggestions would be appreciated.




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Breaking-up at 3500+ rpm

Posted: 4/23/05 5:36pm Message 2 of 3
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kstyer
Lifetime MemberLifetime Member
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CUYAHOGA FALLS, OH - USA
Joined: 12/2/2003
Posts: 6424
Vette(s): 1975 C3 Red, T-Tops, Black Interior. All I need is time and money! Getting there!
It could be wires or cap and rotor.  It could also be a weak coil.


Breaking-up at 3500+ rpm

Posted: 4/23/05 9:56pm Message 3 of 3
smoke-m
Former Member
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baytown, TX - USA
Joined: 4/21/2004
Posts: 160
Vette(s): 1979 maui blue/doe skin, fuel injected 383, 6-speed manual, hooker sidepipes, 3.90 gear
How long since the fuel filter was changed, it could be starving for fuel.


in Forum: C3 Engines


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