dibbons
Well-Known Member
This '65 driver's side exhaust manifold flange has three holes, two for the head pipe and one for maybe a brace I have never seen installed.
Three's A Crowd
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Treblig
Well-Known Member
A brace attached to what?? The exhaust manifold expands at a different rate than the block or any other metal surface. It could break if it's braced to the wrong surface.
That's the driver's side 273 early A body manifold and it needs that bolted "somewhere" or the manifold will crack from the weight of the outlet hanging way off the end.
dibbons
Well-Known Member
I'm not sure what application (year, make, model) but this photo shows the third hole being used in an interesting arrangement.
dibbons
Well-Known Member
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dibbons
Well-Known Member
Never noticed it before now on the allpar website photo (look carefully).
I told you what the application was. Early A body with a 273.
dibbons
Well-Known Member
There should be millions of these "supports" laying around. Where are they? I guess the same place all the factory bumper jacks are to be found.
dibbons
Well-Known Member
The photo in post #4 shows two supports. I am beginning to believe the factory only installed the forward one.
Edit: Above statement wrong--there are two braces, not one. Per diagram in FSM page 9-1: "Engine External Parts (V8 Cylinder) - 273 Cu. In. Displacement
and
per parts listing in FSM page 9-46, section 9-48-155:
Brace, Exhaust Manifold, Left to Cylinder Block, V2, L2 ... 2465 162
Brace, Exhaust Manifold, Left to Cylinder Head, V2, L2 ... 2465 161
Edit: Above statement wrong--there are two braces, not one. Per diagram in FSM page 9-1: "Engine External Parts (V8 Cylinder) - 273 Cu. In. Displacement
and
per parts listing in FSM page 9-46, section 9-48-155:
Brace, Exhaust Manifold, Left to Cylinder Block, V2, L2 ... 2465 162
Brace, Exhaust Manifold, Left to Cylinder Head, V2, L2 ... 2465 161
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Treblig
Well-Known Member
I hate being wrong!!!! But then again it's only the first time this year...
They'd be dead simple to make out of angle iron.
dibbons
Well-Known Member
Refer to post #9 for factory part numbers that I found in FSM.
mopowers
Well-Known Member
Or electrical conduit smashed in a vise.
66jim
Well-Known Member
Not to worry, have ran early A's without long time. My 273's driver side don't have the third mounting hole (1966) maybe this is early version?
yep, those crazy crooks at the bottom of this casting, along with the braces, disappeared by 66 or 67. Lesser turns are in the downpipe.
Oh yeah now that you have a part number, just go pick them up ad WalMart. <SMH>
dibbons
Well-Known Member
We have the short one fabricated (tubing diameter a little oversized but it fits).
Yes! There's a question? My 66 had one. Don't know if it had been removed in 50 years time or not.
dibbons
Well-Known Member
Finished fabricating/painting a pair of each brace (the front one is shorter than the rear one). I have two '65 A bodies without 'em.
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