1G Thermo housings keep breaking

[enriquez2000]

This is the 2nd housing on this motor that has cracked like this. I need dsm guru help! Im down to my last spare!

 

[bastarddsm]

I've had a couple do that too. I think start by pulling the studs and check for flat on the mounting surface. Check flat on the housing. Maybe they warp over time and then fail?

 

[enriquez2000]

I can definitely check housing for flat. Im wondering if doing rtv without a gasket is part of the issue. Cant imagine the gasket is thick enough to help though.

There was a guy doing cnc lowers... i cant remember who but i would definitely prefer that over these 25 yr old cast pieces

 

[lasthope05]

Pull the studs and block both surfaces flat. If they are both perfectly flat you shouldnt have any problems with cracking an ear with or without rtv. It doesnt take long, especially on alumium. 120 grit should be good.

 

[enriquez2000]

Pull the studs and block both surfaces flat. If they are both perfectly flat you shouldnt have any problems with cracking an ear with or without rtv. It doesnt take long, especially on alumium. 120 grit should be good.

Heres to hoping studs come out easy!

 

[93AWDDSM]

I just replaced this on my 1g. I used a gasket and very minor rtv applied and it’s holding great.

 

[Tanro]

Either over torqueing the nuts, or a flatness issue.