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10-05-2020, 11:36 PM
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Post Whore
 
Join Date: Feb 2016
Location: Portland Oregon
Posts: 11,393
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Why RTV sealant is bad!
I pulled this engine apart yesterday and found this. From the outside I noticed the blue goo oozing from every joint around the timing cover. Photos 1 and 2. Photo #2 has blue lines pointing to the over application of RTV. When I pulled the head photo 3 shows the RTV that was inside of the water passage. The 4th photo shows the total length of the RTV that was in the passage. It is obvious that there was little to no water flow to number one cylinder.
RTV sealant must be use with discretion. Too much can be damaging. The is a reason that manufacturers like CAT no longer use RTV sealants. They now use the more expensive Anaerobic type sealants to prevent to prevent this kind of problem.
__________________
Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help.  RIP Bob Parks. 1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo If it breaks I didn't want it in the first place The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377 |
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