General Discussion Area > Corvette Related Chat
Engine continually cuts out - 75 C3 350
sirfixalot:
Battery can't be too bad if it keeps starting car
Vettech:
Get a can of Aerostart (you can also use wd40, hair spray, undie arm spray as last resort) start her up, when she faulters, give a light spray into intake, if she picks up and runs on the spray, and then faulters when you stop the spray - its a fuel problem. If it faulters on spray then it could be electrical.
If you are running original points (kettering sytem) check gaps and points condition (no pits or holes, splats).
Check capacitor, no cap = no ignition. Best way to check is - get a new one, I dont know many in the club who would have a metre to check caps.
when spraying etc, keep all your bits away from intake esp face, eyes etc
If its starting, then battery will be good enough, for the alternator to stall a motor it would require a near dead short, and "the smoke" would be a good indicator.
I love a good suduko.
( I once had an English car, the cap was screwed onto the moving base plate in the dizzy, came loose, & as it rattled around the ignition splatted on and off. I could not find it as I did not appreciate the importance of the cap, I end up making up & fitting CDI and only then did I see the loose cap.)
jimandemma:
OK, battery was fine but put a new one in anyway - still the same. Alternator charging fine
Put on new leads - still the same. Pulled a lead, plugged in a spark plug and have spark though not bright.
Put on a new HEI distributor cap with coil and rotor from new dizzy - ran great for about 5 seconds then died. Refused to start, so pulled a lead, plugged in a spark plug and have no spark??
Starting to run out of options. Can't find a capacitor near the dizzy.
Only thing left is this relay or whatever it is in the picture that has the power wire from the distributor going to it as well as other wires.
Vettech:
Ok, memory not good so I'll go out and awaked the chickens and mice and get my Hei dizzy out and refresh - at least now you know its Electrical. Back soon.
jimandemma:
Attached to the heater box bottom of pic
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