Should I resurface the upper timing cover?

[wild_maxx]

I am going to be running a cometic HG on my DE-T. I know that I need to have the head and block resurfaced and have the lower timing cover bolted to the block when it gets resurfaced. Should I have the upper timing cover bolted to the head while its being resurfaced?

[rotorimp]

Yes they need to take the same amount off the upper and lower as they do the head and block--or it will never fit right.

[TheOne]

yes, i've had this happen to me with stock hgs when resurfacing the head by itself, the upper front cover wont fit with the head bein milled down, i cut that part of the gasket to make it fit(this was a stock felpro gasket, resurfaced head but not upper front cover)

[wild_maxx]

alright guys thanx alot! I'll have everything resurfaced together.

[awesomenick]

Really watch for this, I didn't have either of my covers machined, and it still fit together(ish). I put it together and blew a head gasket in about 1500 miles. With a cometic it pumped oil out from the head gasket because the lower timing chain cover was holding up the head.