first a thanks to billboost37 to pulling these for me off the 1993 parts car, greatly appreciated...
Back on Topic...Look at the size of this exhaust manifold crack.
As you can see my new manis (cores) are much better off however still have cracks.
I plan to purchase the Downpipe Gasket along with the crossover pipe gasket. I also will need to go to napa to get the head to mani gasket. I also plan to purchase new bolts from GM along with a new knock sensor..I'm assuming it will be easy to get to once the manifolds come off
I'm taking them to a good machine shop to do the porting hopefully and at least weld the new ones up.......
A few questions....
What Retainers or rivets for the heatsheild should I use after I port them?
What all HAS to come off in order to remove the manifolds on the car..I'm assuming the alternator bracket...engine pull bracket....throttle body, valve covers...do those have to come off?
I have removed the heatshields on the front (1,3,5) side..any chance of cracks under the rear ones?
Most importantly, obviously an exhaust leak like this will cause power loss in general, but would it be loud enough to put that KR meter up there fairly high?