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06-29-2012, 07:32 AM
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#1 |
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Registered User
 
Join Date: Jan 2012
Location: Whitesboro, Texas
Posts: 932
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Exhaust Manifold Bolts/Washers ?
Educate me please.
I have a pair of ram horn exhaust manifolds and have been told I need special washers for the exhaust manifold bolts. I purchased a new set of bolts from classic parts and they did not come with washers. Would someone confirm the need of these special washers & possibly provide a source for them? Thanks!
__________________
Cheers - Wayne Our Shop Build - http://67-72chevytrucks.com/vboard/s...d.php?t=620966 '55 Wagon Build - http://67-72chevytrucks.com/vboard/s...d.php?t=689157 1971 Cheyenne Super Ochre/White LWB 350 Auto - my son's truck "Nancy" 1972 GMC K2500 Custom 4X4 Olive LWB 400 SB 4-speed -"Greenie" - Restoration to begin after the '55 Nothing sucks more than that moment during an argument when you realize you're wrong. |
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06-29-2012, 09:46 AM
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#2 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,736
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Re: Exhaust Manifold Bolts/Washers ?
Most people just throw them away but here's some.
http://www.gmclassicparts.com/EXHAUS...C_p_26794.html |
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06-29-2012, 10:10 AM
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#3 |
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Registered User
Join Date: Jan 2012
Location: Whitesboro, Texas
Posts: 932
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Re: Exhaust Manifold Bolts/Washers ?
Great! Thanks for the link.
Now - are these washers as necessary as I've been told? And what are special about them as compared to a regular old run of the mill washer? Thanks!
__________________
Cheers - Wayne Our Shop Build - http://67-72chevytrucks.com/vboard/s...d.php?t=620966 '55 Wagon Build - http://67-72chevytrucks.com/vboard/s...d.php?t=689157 1971 Cheyenne Super Ochre/White LWB 350 Auto - my son's truck "Nancy" 1972 GMC K2500 Custom 4X4 Olive LWB 400 SB 4-speed -"Greenie" - Restoration to begin after the '55 Nothing sucks more than that moment during an argument when you realize you're wrong. |
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06-29-2012, 12:39 PM
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#4 |
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Senior Member
Join Date: Jan 2005
Location: Ontario, Kali
Posts: 2,427
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Re: Exhaust Manifold Bolts/Washers ?
I have used run of the mill grade 8 bolts and washers on my ramhorns since the early 80's with no problems....
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 '69 FleetIt ain't yours, if you didn't build it! Last edited by Dano69c10; 06-29-2012 at 06:58 PM. |
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06-29-2012, 04:59 PM
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#5 |
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Registered User
Join Date: Oct 2005
Location: Overland Park, Ks.
Posts: 5,229
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Re: Exhaust Manifold Bolts/Washers ?
I use grade 8 bolts & SAE grade 8 washers on all of them.
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06-29-2012, 05:40 PM
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#6 | ||||
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"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,971
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Re: Exhaust Manifold Bolts/Washers ?
^^^^ What WR said...
 Gary
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'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
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06-30-2012, 06:59 AM
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#7 |
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Registered User
Join Date: Jan 2012
Location: Whitesboro, Texas
Posts: 932
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Re: Exhaust Manifold Bolts/Washers ?
So - absolutely nothing 'special' about the factory washers?
__________________
Cheers - Wayne Our Shop Build - http://67-72chevytrucks.com/vboard/s...d.php?t=620966 '55 Wagon Build - http://67-72chevytrucks.com/vboard/s...d.php?t=689157 1971 Cheyenne Super Ochre/White LWB 350 Auto - my son's truck "Nancy" 1972 GMC K2500 Custom 4X4 Olive LWB 400 SB 4-speed -"Greenie" - Restoration to begin after the '55 Nothing sucks more than that moment during an argument when you realize you're wrong. |
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06-30-2012, 09:47 AM
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#8 | |
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Sierra Grande Club
Join Date: Jan 2007
Location: New Mexico USA
Posts: 2,433
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Re: Exhaust Manifold Bolts/Washers ?
Quote:
s/t
__________________
1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe. 
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06-30-2012, 10:31 AM
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#9 |
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Registered User
Join Date: Jan 2012
Location: Whitesboro, Texas
Posts: 932
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Re: Exhaust Manifold Bolts/Washers ?
I just had an epiphany!
I think that’s what I was being told was ‘special’ – not the washer but the French lock. Thanks s/t!
__________________
Cheers - Wayne Our Shop Build - http://67-72chevytrucks.com/vboard/s...d.php?t=620966 '55 Wagon Build - http://67-72chevytrucks.com/vboard/s...d.php?t=689157 1971 Cheyenne Super Ochre/White LWB 350 Auto - my son's truck "Nancy" 1972 GMC K2500 Custom 4X4 Olive LWB 400 SB 4-speed -"Greenie" - Restoration to begin after the '55 Nothing sucks more than that moment during an argument when you realize you're wrong. |
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06-30-2012, 04:33 PM
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#10 |
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Registered User
Join Date: Oct 2005
Location: Overland Park, Ks.
Posts: 5,229
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Re: Exhaust Manifold Bolts/Washers ?
The factory washers were smaller in dia. & a little thicker but SAE washer are close & work good.
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