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Old 05-26-2019, 01:14 PM   #21
reddog565
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Default Re: y-block running warm?

Thanks....
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Old 05-27-2019, 01:19 PM   #22
cars2cool
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Default Re: y-block running warm?

I agree with Sal on the advance diaphragm. An old friend of my dad's had this nice square bird. The car would over heat when ever he drove it. He spent a lot of money chasing that problem and he was a penny pincher, smh. He finally took the car to a certified mechanic and was expecting to fork out big money to finally fix the car. Parts and labor was less than $35.00 in the late 90's. He didn't have anything to whine about after that.
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Old 05-27-2019, 03:26 PM   #23
dmsfrr
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Default Re: y-block running warm?

You can easily test the vac adv diaphragm on a dist with a longish piece of clean vacuum hose.
Connect one end to the canister then put the other end in your mouth and blow into the tube, it should hold pressure and not leak thru. If it leaks replace the vacuum canister. Sucking on the tube should rotate the points/breaker plate approx 1/4 to 3/8 inch (yellow arrows) it may need to be cleaned & lubed if it's stuck.

this example photo is of a '55 distributor but the principle is the same
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File Type: jpg 55 dist, big arrows.jpg (70.9 KB, 8 views)

Last edited by dmsfrr; 05-30-2019 at 07:46 AM.
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