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What are you guys doing to seal up where the bracket on the adapter plate meets the engine (marked in red)? A liberal amount of RTV on the inside and outside?IMG_3250.jpegIMG_3249.jpeg
 
The amount of sand between the engine and adapter plate when I tore it down.IMG_3232.jpeg
 
I also replace the needle bearing every time I take apart now, it might feel perfect, but it is an easy replace.
 
Sorry. Meant harmonic damper. Multitasking is not my strong suit. 🤣

Was wondering if it’s worth it. Shooting for 500 to the wheels but the j series dampers are pricey AF. Unless someone has a line on them, or a discount code?
 
The sand is coming in from the top. The bent sheet metal piece bolted to your adapter is typically enough for the bottom. Clean up the mess, install a new seal, and plug the highlighted holes with a finger full of silicone.

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Wasn't there somebody that complained that their engine valley filled up with sand or water after they had sealed those holes? Maybe I'm recalling that wrong..
Something to think about.

I know Chris at benchmark performance would use weather stripping around that seal that squished between the trans and the motor
 
Wasn't there somebody that complained that their engine valley filled up with sand or water after they had sealed those holes? Maybe I'm recalling that wrong..
Something to think about.

I know Chris at benchmark performance would use weather stripping around that seal that squished between the trans and the motor
Probably. People bitch about free ice cream.

When Hecker machine was making adapter plates, he included a billet ring that "stepped" into the plate and pressed lightly against the seal housing.
 
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