The Mighty 258 > Exhaust System.

Pre Heater Mount to Manifold

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BigBird:
OK Here's the deal. I bought a new exhaust manifold for my '84 Wagon with the 258 I6. However, it didn't come with the parts that the preheater hose attaches to on the manifold so I will have to take the one off of my old manifold. It shouldn't be too difficult with a decent grinder but my question is this. How do I attach it to my new manifold? It looks like it is riveted on so I would like to rivet it to the new one. The holes don't go all the way through, can I still rivet it on to my new one? (maybe a newb question but I've never messed with a rivet gun)  :newbie:

Not sure if this is an exhaust question or if it is a fuel/air question so feel free to move if necessary.

mudkicker715:
I am not sure if it is even a thing to worry about anymore. I dont think it helped any meaning. I had one out of several that actually worked, and never noticed any differance. Not alot of data to go on i know. Just maybe ignore that plug and cap it off?  I also would not grind a perfectly good many and maybe introduce an air leak.

amcfool1:
hi, if you're talking about the the coolant fittings, they are screw in, heat up and use a pipe wrench, and they will come out. or buy new from Stainless specialties. gz

DAVE:
I think he is talking about the sheet metal stove that has the hot air hose that goes to the air filter housing. you should be able to use pop rivets to attach it with just make sure they are not longer than the holes are deep, otherwise it will rattle

amcfool1:
oh, ok, I just did that as well. Yes, grind off rivets, and drill/tap new manifold for screws. I think I used 6/32s. good luck, gz

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