66 turbo exhaust question

[kurtl42799]

I trying to put my exhaust system back together, which is proving to be quite the bear. Nothing wants to align up!
I am on take two, or is it three. thankfully the engine is out of the car cause I don't think this could be done otherwise without great ardor. But a simple question for now. The rectangular gasket that goes between the inlet pipe and the turbo base has a slight lip on one surface surrounding the rectangular opening and is perfectly flat on the other opposing second surface. Which surface interfaces with the exhaust pipe and which interfaces with the bottom of the turbo base? My guess is the lipped surface fits against the surface of the inlet pipe flange BUT I would like to be certain before I start the process of tightening everything.

Thanks so much for the input!

[jimbrandberg]

Turbo exhaust can be a bugger. The EM can be even more difficult with a slip fit and clamp for the inlet rather than the donut.
I wouldn't get too carried away tightening everything down before installing the engine in the chassis as you still have to get the tailpipe to come through the body opening. Sometimes that's the hard part and it's a terrible vibration if the exhaust contacts the body.
Sorry but I've never noticed a lip on the rectangular gasket. It's probably just an abnormality from when it was cut and I'm sure your good instincts will prevail.

I've got a 64 to put together where the last guy cut the pipes and welded them back together. Should be fun.

[kmart356]

Looking at that gasket, the way I install is with the non-ridge side down on the exhaust up-pipe. Not sure it really makes a big difference when the housing is torqued down but it does put the flat side in the best position to seal exhaust flow from up-pipe through to the exhaust housing.

also, what Jim says ... "I wouldn't get too carried away tightening everything down before installing the engine in the chassis as you still have to get the tailpipe to come through the body opening."

[flat_six]

Make sure all of the sheet metal on the engine is loose. All of that must be free to move a little (within the bolt holes) in this process.

And yes, the orientation of the inlet gasket doesn't matter.