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Im starting yr 6 of a 2 yr build, and finally got the engine in and started. I pulled the engine and transmission from a '90 gt about 4 trs ago. It ran fine before it was pulled.

Its running and idles rough and has a knock. How kind i find the source or eliminate optoins? Since it hasnt run in yrs should i let it idle for 10-15 min and see what happens?
Thanks
Walter
https://youtu.be/3el6WK5eyF4
 

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Ya, there definitely needs to be an audio sticky somewhere to teach the differences between a tick, a tap, a slap, a rattle, a knock and an exhaust leak:)

Any correct gasket should work, if they don't you have torqued them improperly or there's an imperfection on either surface. No type of sealer is gonna work there.
I think the biggest thing is having some sort of pressure twisting on the manifolds from the pipes or its hitting something so when you think its tight its really not. You should be able to press by hand tightly to the head or else you're fighting yourself.
Don't get all HeMan on those little bolts either!
 
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