Idiots
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Freshman User
Joined: Dec 2014
Posts: 37
Likes: 1
Idiots
So just picked up a 400. Noticed a knock... New timing set installed less than 1000 miles before I bought the truck. Tore it down and cam gear bolt was finger tight. Removed it and cam retainer is missing(presumably in pieces in pan) and block is broken. Cam gear been movin all over the place. See pic. *******es... The world is full of em! Motor runs strong and has good compression but I guess now I'm lookin at maybe a crate motor. Any suggestions?
U can see one spot in pic but several places where gear was milling into block. The shop that did the work also reinstalled old water pump and belts that were waaayyyy old, possibly original IMO.
U can see one spot in pic but several places where gear was milling into block. The shop that did the work also reinstalled old water pump and belts that were waaayyyy old, possibly original IMO.
Mountain Pass
Joined: Aug 2002
Posts: 140
Likes: 5
From: Tucson
You might be able to have it welded and repaired, depending on how bad the casting is damaged. That is very unfortunate, however. I would certainly investigate the repair route before jumping on a crate engine.
Elder User
Joined: Jan 2011
Posts: 831
Likes: 1
From: Tanilba bay NSW Australia
The job weld (or something similar) would've been my next suggestion. Don't get why it broke in the first place as while there is a thrust load from the cam, even just a few threads should be enough.
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