53 cavalier just won't fire

General topics, not covered elsewhere, of all things Packard.
Dave Czirr
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Re: 53 cavalier just won't fire

Post by Dave Czirr » Wed Jan 06, 2021 6:52 pm

A manifold set should be readily available. I quite sure Kanter offers it but if not, try Olson's Gaskets, Max Merritt, maybe even Egge.

Coach Js
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Re: 53 cavalier just won't fire

Post by Coach Js » Wed Jan 06, 2021 6:59 pm

Thanks Dave. I'll call around

Coach Js
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Re: 53 cavalier just won't fire

Post by Coach Js » Sun Feb 07, 2021 2:39 pm

Should there be a gasket on the distributor where it attaches to the block?

Dave Czirr
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Re: 53 cavalier just won't fire

Post by Dave Czirr » Sun Feb 07, 2021 2:49 pm

Not a gasket but rather a cork ring that fits into the recess in the block. But it's probably missing in half the cars on the road and except for an occasional drip of oil, no real consequences if its missing.

Coach Js
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Re: 53 cavalier just won't fire

Post by Coach Js » Mon Feb 08, 2021 3:30 am

Thanks Dave. Would you recommend I do a dab of liquid gasket to seal it up, or should I just leave it be?

I would like to degrease the engine. This is why I ask.

Dave Czirr
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Re: 53 cavalier just won't fire

Post by Dave Czirr » Mon Feb 08, 2021 6:24 am

Maybe go to the local hardware store and see if you can find an oil-resistant rubber O-ring of suitable size. Or just wrap a rag around it while you clean the motor.

Coach Js
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Re: 53 cavalier just won't fire

Post by Coach Js » Mon Feb 08, 2021 7:10 am

Good idea. Thanks

Coach Js
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Re: 53 cavalier just won't fire

Post by Coach Js » Fri Feb 12, 2021 10:11 am

Car is starting easily and smoothing out nicely as it warms up. However, if I quickly apply pressure to the gas pedal, the car hesitates to the point of wanting to stall. If I slowly apply pressure, the car seems to run perfectly. Unfortunately, I cannot drive her because it is winter here and we salt our roads.

Any ideas? Or, just baby her and drive her. Am I asking too much of my 68 year old car haha?

Dave Czirr
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Re: 53 cavalier just won't fire

Post by Dave Czirr » Fri Feb 12, 2021 10:25 am

Carburetor accelerator pump failure, or leaking vacuum advance on distributor are two likely culprits. Both very easy to check.

For the carburetor accelerator pump, remove the air filter, hold the choke valve open, and while peering down the carburetor throat, stroke the throttle linkage; the pump is OK if you see two strong streams of liquid gasoline squirt out into the bore.

For the distributor vacuum unit, just test with your mouth or with a simple vacuum pump to see if the unit can retain a vacuum. If not the diaphragm has probably ruptured and the unit needs replacement.

Coach Js
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Re: 53 cavalier just won't fire

Post by Coach Js » Fri Feb 12, 2021 11:24 am

Thanks Dave. I'll have a look at these.

Is the car driveable as is? Or could I cause further damage by driving it like this?

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