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Correct color of exhaust manifold nuts and bolts. #2745937
02/24/20 12:36 AM
02/24/20 12:36 AM
Joined: Feb 2003
Posts: 1,433
Florida
G
GMP440 Offline OP
pro stock
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Posts: 1,433
Florida


Hello,

What is the correct color for the exhaust manifold nuts, bolts and washers ? Thank you.

Re: Correct color of exhaust manifold nuts and bolts. [Re: GMP440] #2745956
02/24/20 01:36 AM
02/24/20 01:36 AM
Joined: Mar 2011
Posts: 1,451
Cut and Shoot, TX
kentj340 Offline
pro stock
kentj340  Offline
pro stock

Joined: Mar 2011
Posts: 1,451
Cut and Shoot, TX
Engine? Year?


If you don't see two dolphins, you need a vacation.
Re: Correct color of exhaust manifold nuts and bolts. [Re: kentj340] #2745970
02/24/20 02:31 AM
02/24/20 02:31 AM
Joined: Sep 2009
Posts: 520
WV
L
Little Detroit Offline
mopar
Little Detroit  Offline
mopar
L

Joined: Sep 2009
Posts: 520
WV


the correct color is bare metal !

Re: Correct color of exhaust manifold nuts and bolts. [Re: Little Detroit] #2745974
02/24/20 04:46 AM
02/24/20 04:46 AM
Joined: May 2006
Posts: 538
Phila
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PhillyRag Offline
mopar
PhillyRag  Offline
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Joined: May 2006
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Phila
Originally Posted by Little Detroit


the correct color is bare metal !


That's not a color

Re: Correct color of exhaust manifold nuts and bolts. [Re: PhillyRag] #2745982
02/24/20 07:59 AM
02/24/20 07:59 AM
Joined: Jun 2003
Posts: 18,312
It's a dry heat
gtx6970 Offline
I Live Here
gtx6970  Offline
I Live Here

Joined: Jun 2003
Posts: 18,312
It's a dry heat
engine color

Re: Correct color of exhaust manifold nuts and bolts. [Re: gtx6970] #2745997
02/24/20 09:17 AM
02/24/20 09:17 AM
Joined: Jan 2003
Posts: 9,200
Central,PA
62maxwgn Offline
master
62maxwgn  Offline
master

Joined: Jan 2003
Posts: 9,200
Central,PA
After engine color,rust ! work

Re: Correct color of exhaust manifold nuts and bolts. [Re: 62maxwgn] #2746015
02/24/20 09:54 AM
02/24/20 09:54 AM
Joined: Oct 2006
Posts: 6,692
Iowa
burdar Offline
Owen's Dad
burdar  Offline
Owen's Dad

Joined: Oct 2006
Posts: 6,692
Iowa
The exhaust manifolds were installed on the engine before it was painted. When it left the plant, the exhaust manifolds and attaching hardware were engine color.

Re: Correct color of exhaust manifold nuts and bolts. [Re: burdar] #2746020
02/24/20 10:08 AM
02/24/20 10:08 AM
Joined: Jan 2003
Posts: 4,493
Ontario, Canada
mccannix Offline
master
mccannix  Offline
master

Joined: Jan 2003
Posts: 4,493
Ontario, Canada
And the color didn't last long and was not always painted in total coverage like todays restorers do.
Pictured are Hemi manifolds removed from 70 Hemicuda for headers at less than 500 miles.
Note the runs on the back side of the heat tube.
This set-up is basically brand new.

zzzmana.jpgzzzmanb.jpgzzzmanh.jpgzzzmand.jpg
Re: Correct color of exhaust manifold nuts and bolts. [Re: kentj340] #2746222
02/24/20 08:59 PM
02/24/20 08:59 PM
Joined: Feb 2003
Posts: 1,433
Florida
G
GMP440 Offline OP
pro stock
GMP440  Offline OP
pro stock
G

Joined: Feb 2003
Posts: 1,433
Florida

The year is 1968 and the engine is a 318.

Re: Correct color of exhaust manifold nuts and bolts. [Re: GMP440] #2746462
02/25/20 03:55 PM
02/25/20 03:55 PM
Joined: Oct 2006
Posts: 6,692
Iowa
burdar Offline
Owen's Dad
burdar  Offline
Owen's Dad

Joined: Oct 2006
Posts: 6,692
Iowa
Found this picture online and saved it.

8351239-1967-318-n-904LynchRdassemblyline[1].jpg
Re: Correct color of exhaust manifold nuts and bolts. [Re: GMP440] #2746584
02/26/20 03:13 AM
02/26/20 03:13 AM
Joined: Mar 2011
Posts: 1,451
Cut and Shoot, TX
kentj340 Offline
pro stock
kentj340  Offline
pro stock

Joined: Mar 2011
Posts: 1,451
Cut and Shoot, TX
This is correct finish of exhaust manifold fasteners for 1969 340, and is most likely correct for 1968 318. AFAIK the difference between 318 and 340 exhaust manifold fasteners is just the length of the long hex nuts?

6 hex bolts, 4 hex nuts, 6 studs, all phosphated.

2 long hex nuts and 6 conical washers, all bare metal. The thick conical washers were stamped from steel plate with mill scale on both sides, so the washers also have mill scale on the top and bottom faces with bare metal on the edges.

Of course the final finish was engine paint.

You can verify these finishes by researching AMKproducts.com catalog. They offer a 318 kit of all these fasteners, Part No. C-8062 on page 6 here


11 Exhaust manifold L front.jpg

If you don't see two dolphins, you need a vacation.
Re: Correct color of exhaust manifold nuts and bolts. [Re: burdar] #2746653
02/26/20 11:40 AM
02/26/20 11:40 AM
Joined: Sep 2003
Posts: 12,590
north of coder
moparx Offline
"Butt Crack Bob"
moparx  Offline
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Posts: 12,590
north of coder
Originally Posted by burdar
Found this picture online and saved it.


that pic is interesting in a couple of ways other than showing the exhaust manifold and attaching bolts.
the transmission holding fixture
the way that fixture seems "mygivered" to the overhead hoist
and the most important, it looks like the torque converter is already bolted to the back of the engine.
how did they correctly line up the pump ears and shafts to ensure the converter fit properly ?
beer

Re: Correct color of exhaust manifold nuts and bolts. [Re: moparx] #2746654
02/26/20 11:47 AM
02/26/20 11:47 AM
Joined: Dec 2003
Posts: 4,665
northwest USA
N
NANKET Offline
master
NANKET  Offline
master
N

Joined: Dec 2003
Posts: 4,665
northwest USA
Originally Posted by moparx
Originally Posted by burdar
Found this picture online and saved it.


that pic is interesting in a couple of ways other than showing the exhaust manifold and attaching bolts.
the transmission holding fixture
the way that fixture seems "mygivered" to the overhead hoist
and the most important, it looks like the torque converter is already bolted to the back of the engine.
how did they correctly line up the pump ears and shafts to ensure the converter fit properly ?
beer


Very easy to line up. Put the tangs of the gear and the slots in the converter at 6 and 12 O’clock and they go together really nicely.

And if you don’t think so TRY IT, don’t argue from you couch. LOL

Re: Correct color of exhaust manifold nuts and bolts. [Re: NANKET] #2746660
02/26/20 12:00 PM
02/26/20 12:00 PM
Joined: Oct 2006
Posts: 6,692
Iowa
burdar Offline
Owen's Dad
burdar  Offline
Owen's Dad

Joined: Oct 2006
Posts: 6,692
Iowa
Yes, the torque converters were on the engine before it was painted and will have engine color overspray. The tool they used to line up the pump lugs is hanging from the hoist.

Re: Correct color of exhaust manifold nuts and bolts. [Re: burdar] #2746671
02/26/20 12:27 PM
02/26/20 12:27 PM
Joined: Sep 2003
Posts: 12,590
north of coder
moparx Offline
"Butt Crack Bob"
moparx  Offline
"Butt Crack Bob"

Joined: Sep 2003
Posts: 12,590
north of coder
Originally Posted by burdar
Yes, the torque converters were on the engine before it was painted and will have engine color overspray. The tool they used to line up the pump lugs is hanging from the hoist.


i completely MISSED that tool !
not arguing from "my couch" [laugh2], but the few times i have pulled an engine with the converter attached, i have damaged the seal on the transmission.
does anyone make that tool so a "tool" like me would be able to attach a transmission like shown ? [sorry for the jack]
beer


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