1988 mercruiser 350 thermostat right against block

The_dude58

Recruit
Joined
Sep 29, 2020
Messages
2
hi I noticed my tstat housing was leaking so I pulled it. Noticed the tstat was against the block then the gasket over that then the housing on top of everything. It’s sealed up and no leaks. Just wondering, there’s a bit of a bevel where a tstat traditionally sits since automotive Tatar’s sit against the block. I know that it’s sapposed to sit in the housing then the sleep goes over top yadayadayada. Is it ok to sit on the block then everything on top. Thx
 

alldodge

Moderator
Staff member
Joined
Mar 8, 2009
Messages
43,291
Howdy
I'm fully understanding all your saying, but your thermostat should be the design one

T-stat diff.jpg
 
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