Ok y'all my brother ran his Aspen out of oil. He still has 50 pounds of oil pressure but the engine chatters, did he wipe out the cam or the rocker assembly? Thanks, Adam

Just about all the engine bearings and maybe the rings also.

Richard

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Part of Tyrde-Browne Racing

How could the bearings be gone if it holds 50 pounds of oil pressure?

You have a oil pump that will put out more oil than the engine can use, if it didn't have a pressure release (spring loaded bleed off) how high do you think the pressure would be?
The lack of oil to lube the bearings will cause excessive wear (making too large of clearance).

Richard

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Part of Tyrde-Browne Racing

A bearing can "spin", and then close off an oil passage in the crank, or block.

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 170 nitrous
64 Valiant Signet
64 Valiant 4dr 170
64 Valiant 4dr 225

Well I didn't think of that. Thank you. I told him to park it till I can get up there and look it over. Thanks again.

I'm just curious. How low does the oil need to get before it causes a problem in normal street driving? Back when I was an idiot teenager with a leaky rear main seal, I let mine get about 3 quarts low once or twice...

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Somehow I ended up owning three 1964 slant six A-bodies. I race one of them.
Escape Velocity Racing

My bearings got hot and turned blue and then started knocking when my new oil filter blocked and would not bypass any oil. It just shut off all oil flow. That was doing 65 mph up a grade. Rings, pistons & cam were all fine from all the oil splashing. After I found a automotive store and purchased and installed a new filter I drove it home 60 miles. It was sad to hear the rod bearings knocking that much but it ran fine. I am thinking that the synthetic oil may have helped limit the damage.

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Aggressive Ted

http://cid-32f1e50ddb40a03c.photos.live ... %20Swinger


74 Swinger, 9.5 comp 254/.435 lift cam, 904, ram air, electric fans, 2.5" HP2 & FM70 ex, 1920 Holley#56jet, 2.76 8 3/4 Sure-Grip, 26" tires, 25+MPG

I ran a slant six out of oil: no gauges. Once the steam started coming out it was cooked. I tried rebuilding the head, but it always smoked after that. Finally I got a replacement motor for $100, a BH block with low miles. Before I swapped it in, I put in a little more aggressive cam and planed some metal off the head. No problems after that.
It's not that much harder to do it correctly, which I didn't really do, but you can calculate the combustion chamber volumes and dial in a compression rate. Ideally you would plane the block the correct amount.

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/6 '67 Barracuda convertible, electronic ignition, 4-OD, street cam, SBP KH discs, 3.55 SG 7.25" 1" t-bars. Bilstein.
340 '67 fastback, Doug Nash 5-speed.
1988 Toyota pickup work truck

My brother said it took 4 quarts to bring it up to the full mark. I just can't see how a grown man can run a cool looking nice old car out of oil???? Go figure!

1- it is not his car
2- (to give him a line) he has not drive the old car enough to know when it sounds like crap, or carefull checking instruments now and then

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/6 Dodge Charger 69
...there's nothing like using the "Search" link above to solve most of your problems...

I had mine spin a bearing on the highway at about 70mph... Oil light came on, by the time I got pulled over the engine locked-up... Maybe 30-45 seconds of no oil press. Pulled the engine, every bearing was mush, and crank was destroyed, cam was eaten raw and lifters were just the same... Oddly enough the engine never made a single tick?

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"if it aint broke, fix it till it is"
78 Plymouth Volare Super Six wagon
89 Volkswagen Golf GTI 16v
92 Chevrolet K1500 5.7
98 Ford Escort ZX2 zetech

Well I got a good core for a rebuild so my brother is going to get a crash chorus in engine rebuilding.

I usually get a crash chorus when I run it out of oil........

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Yeah....Im the one who destroyed this rare, vintage automobile.....

LOL...last time I saw a slant run with no oil...the symphony ended with #5 poking out the driver's side of the block and a hole through the oil pan...



-D.Idiot