try n figure this one out
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Joined: Jan 2011
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try n figure this one out so heres the deal my sis has a 68 camaro with a descent little 350 build, problem is every time we start it it starts fine runs great but then turn it off and it does this whole slow turning over, wont start stuff. let it sit for a while n it will start back up but then same problem again when u shut it off. acts like the battery is dead or something. car has a painless wiring kit, ford solenoid on inner fender, engine to chassis ground, oh yeah forgot to mention trunk mount battery. any help would be much appreciated this things needs to be driven for once
run a ground from the battery to the engine also. And you need at least a 1/0 cable from the battery to the soleniod. Don't use a welding cable, use dedicated battery cable.
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my friend had the same problem. his piston to cylinderwall clearence was too tight. when the engine heated up the piston would expand and cause a seizing symptom. when the engine cooled down it would start fine.
I would try this first. I would also put a amp draw meter on the power cable close to the starter and see how many amps its pulling.
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From: ATL, GA
Are you running vacuum advance on your distributor?
You should have about 15-20* initial timing and 32-38* at full advance. Once the engine gets hot the cranking compression is overcoming the ability of the starter to turn over the engine.
I am also thinking you might have too hot of a spark plug in the engine if it heats up that quick. Crappy gas of now days makes performance engines overheat real easy.
How hot is the water temp on the gauge when you shut the car off?
You should have about 15-20* initial timing and 32-38* at full advance. Once the engine gets hot the cranking compression is overcoming the ability of the starter to turn over the engine.
I am also thinking you might have too hot of a spark plug in the engine if it heats up that quick. Crappy gas of now days makes performance engines overheat real easy.
How hot is the water temp on the gauge when you shut the car off?
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