1957 - 1960 F100 & Larger F-Series TrucksDiscuss the Box Style Ford Trucks
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My parts guy is confused. I need some duals bent up for my 60 4X4. I've got ram's horns on the engine. Someone must make a stubby flange that bolts to the manifold and allows the rest of the exhaust to bolt up. Or is there a thick flange that welds to the down pipes?
What have you guys done?
Nick in WI
Donuts or flat flanges with gaskets? If they are the flat flanges, just make your own. If they are the donut type, you will need to find the collar of the proper bolt spacing, shouldn't be too hard.
It never ceases to amaze me how many "muffler" shops won't touch the manifolds. I have seen so many new complete systems and the welded onto the old rusty thin pipe to avoid doing the job right and starting from the manifold.
These have the flat surface with a gasket. I think I'm going to stop in with a manifold at the exhaust shop and see if they have any flanges available.
I might be able to make some nice, thick ones on the waterjet cutter here at work too.
Lucky for me, the guy in the shop that bends my exhaust systems is a real car guy who won't take any shortcuts.
You are 100% right, I went to 3 different muffler shops trying to get a duel set made for my F-5. All three wanted me to bring in the flange with a piece of pipe still attatched to it. Took an old flange to a welding shop, he cut new ones out of 1/2 inch plate, then welded a short piece of pipe in, then the muffler place made the exhaust.
I stopped at a couple muffler shops. Both shops have equipment that allow them to build the connection several different ways actually. the one way is to use a flat flange and weld the pipe into the ID of the flange and even telescope it a bit into the rams horn. The shop had flanges on the shelf that fit the bolt pattern. I also picked up a stamped flange that I was familiar with for later style - late 60's head pipe connections. Those later ones had the donut gasket. The pipe bender said i could use that style flange with either a single or double flat flair on the end of the pipe. The flange would be loose on the pipe like how later exhausts were built. I think both styles would work fine for what i'm doing. The shops said both styles would be easily done too.
Since the studs are typical 7/16 in size, i also got the special nuts that have a smaller wrench size - think they're 5/8" instead of maybe 11/16". The smaller diameter fits the stamped flange better.
Well, hope this helps the next guy dealing with this.
Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460)
09-10-2009 09:23 AM
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