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TR2/3/3A TR-3A Intake Question

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Matt Mugherini

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I'm hoping someone might have this info off the top of their head- I know the nuts fastening the intake/exhaust are 3/8", but does anyone know if that is fine or course thread? I suspect fine thread but I'd really like to be able to confirm so I can stop at the hardware store on the way home. Could someone check their car and confirm?
 
Fooled me, I thought fine thread 3/8-24 too until I looked.

The intake/exhaust are 3/8-16 thread, usually a tall brass nut is used to keep them from rusting solid to the stud.
 
Thanks Peter!! I want to stop by the store and pick up the brass nuts for exactly the reason you mention. This store is the best in my area and they only have the course thread, so I would have needed to order the fine. Looks like that won't be an issue now. I appreciate your help.
 
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