| Donut Seal between Exhaust Manifolds and Exhaust Pipes 1977 403 [message #83036] |
Tue, 04 May 2010 13:51  |
Bob Raef
Messages: 165
Registered: July 2009
Location: Lubbock, TX
Karma: 0
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Senior Member |
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I need the part number for the exhaust donut seals for my 1977 403 engine. Latest Parts book indicates:
GMC 387897
NAPA (FPG) 60241
The shop working on mine has received two different sets and neither one will fit.
Does anyone have any other part numbers?
It was suppose to be out of the shop yesterday. We are scheduled to leave town tomorrow morning.
Thanks in advance,
Bob Raef, KF5TYA
(575) 973-2273
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| Re: [GMCnet] Donut Seal between Exhaust Manifolds and Exhaust Pipes 1977 403 [message #83049 is a reply to message #83036] |
Tue, 04 May 2010 16:29  |
powerjon
Messages: 2446
Registered: January 2004
Karma: 5
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Senior Member |
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If you have the old donut style one, take it to any good muffler shop
and they should have a replacement. They come in several different
sizes from 2.1/8 (60241), 2.25" ( autozone#6936). Buy the highest
quality one you fine.
J.R.
On May 4, 2010, at 2:51 PM, Bob Raef wrote:
>
>
> I need the part number for the exhaust donut seals for my 1977 403
> engine. Latest Parts book indicates:
> GMC 387897
> NAPA (FPG) 60241
> The shop working on mine has received two different sets and neither
> one will fit.
>
> Does anyone have any other part numbers?
>
> It was suppose to be out of the shop yesterday. We are scheduled to
> leave town tomorrow morning.
>
> Thanks in advance,
>
>
>
> --
> Bob - Beancounter - Raef
> - San Antonio, TX -
> 1977 Royale RB - The Colonel
> _______________________________________________
> GMCnet mailing list
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> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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J.R. Wright
GMC GreatLaker
GMC Eastern States
GMCMI
78 30' Buskirk Stretch
75 Avion Under Reconstruction
Michigan
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| Re: Donut Seal between Exhaust Manifolds and Exhaust Pipes 1977 403 [message #83051 is a reply to message #83036] |
Tue, 04 May 2010 16:52 |
captjack
Messages: 271
Registered: February 2010
Location: Sebastopol, California
Karma: 1
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Senior Member |
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Hi,
I just replaced mine and the NAPA 60241 fir perfectly. The previous owner had replaced the spring loaded studs with solid bolts - a mistake. I couldn't find an exact replacement so I bought a couple of NAPA 600-1924 stud kits for the SS springs and used SS bolts from the hardware store.
Jack Christensen - K6ROW,
'76 Glenbrook/Clasco - "The Silver Bullet",
Sebastopol, CA
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| Re: [GMCnet] Donut Seal between Exhaust Manifolds and Exhaust Pipes 1977 403 [message #83068 is a reply to message #83059] |
Tue, 04 May 2010 18:53 |
Carl S.
Messages: 4186
Registered: January 2009
Location: Tucson, AZ.
Karma: 13
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Senior Member |
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Bob,
I saved the package from when I did my exhaust manifolds, and the donut gaskets I used were FEL-PRO #60241 (replaces #419163). Mine is a 455, but the package indicates that this part number also fits an Olds 400, 403,425, & 455 V-8, 1965 - 87
Hope this helps.
Carl Stouffer
'75 ex Palm Beach
Tucson, AZ.
Chuck Aulgur Reaction Arm Disc Brakes, Quadrabags, 3.70 LSD final drive, Lenzi knuckles/hubs, Dodge Truck 16" X 8" front wheels, Rear American Eagles, Solar battery charging. GMCSJ and GMCMI member
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