Engine knock in 350???
November 9th, 2018, 12:48 PM
#1
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Join Date: Nov 2018
Posts: 3
Engine knock in 350???
Hello all. Going to check out a 71 Cutlass S hardtop that the owner claims has a knock in the engine. Does anyone have any advice on how to determine if it's in the top end or lower? Don't really want a project where the whole engine needs to be rebuilt. Any thoughts on what to look (and listen) for would be most helpful! .
Thanks and have a good weekend!
Thanks and have a good weekend!
November 9th, 2018, 01:03 PM
#2
Hookers under Hood
Join Date: Nov 2013
Location: Ontario, Canada
Posts: 3,543
Knocking could be many things .
If you can, post a video of it running here. Their are usually guys here from all time zones , all over the world here. You will get a better answer to your question that way.
If its a rod you'll know it .
Eric
If you can, post a video of it running here. Their are usually guys here from all time zones , all over the world here. You will get a better answer to your question that way.
If its a rod you'll know it .
Eric
November 9th, 2018, 10:59 PM
#6
Registered User
Join Date: Jan 2012
Posts: 2,023
I had a knock in my 71 Cutlass and it turned out to be the timing chain slapping because of excessive play from the nylon teeth had worn off the gear. I replaced the gears and chain and solved the problem. I also dropped the oil pan to clean all the plastic fragments from the gear.
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