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Yesterday, 11:24 AM
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#1 |
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Registered User
Join Date: Sep 2019
Location: Dade City
Posts: 58
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57 GMC 550 370 V8 exhaust gaskets
Might be in the wrong place but does anyone know where I could get a set of exhaust gaskets for this truck. My research says it's a 370 Pontiac or Olds engine.
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Yesterday, 11:45 AM
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#2 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,587
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Re: 57 GMC 550 370 V8 exhaust gaskets
That’s one mean looking truck!
Pop the hood and devour all the Prius’s on the road! Contact Bob. He might have what you want. It’s a Pontiac by the way. https://www.bopparts.com/1957-pontia...asket-set.html There are others too. https://butlerperformance.com/i-2445...9498-sh-1.html |
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Yesterday, 11:46 AM
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#3 |
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Registered User
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,496
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Re: 57 GMC 550 370 V8 exhaust gaskets
My education for the day. I knew that the smaller trucks ran Pontiac V8 engines but this says that there should be an Olds engine in that truck. Only used in those larger trucks according to this info https://www.jalopyjournal.com/forum/...re-371.606092/
They should look like this https://www.ebay.com/itm/15274972038...C_6h4k297cm0UI These are correct for 57/58.
__________________
Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
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Yesterday, 11:55 AM
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#4 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,587
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Re: 57 GMC 550 370 V8 exhaust gaskets
Post a pic of the motor.
Always visual clues to decide what it is. |
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Yesterday, 12:01 PM
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#5 | |
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Registered User
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,496
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Re: 57 GMC 550 370 V8 exhaust gaskets
Quote:
That would be a good idea as you don't know what someone might have done on a work truck of that era.
__________________
Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
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Yesterday, 12:15 PM
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#6 |
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Registered User
Join Date: Sep 2019
Location: Dade City
Posts: 58
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Re: 57 GMC 550 370 V8 exhaust gaskets
I think I found some at local parts store, we'll see when they come in. Had to cancel order, asked parts man and he said center manifold bolt holes are horizontal, mine are vertiical. Everything I saw on fleabay for a 370 has horizontal holes. I might have to make my own.
Last edited by prateroad; Yesterday at 09:04 PM. |
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Yesterday, 12:19 PM
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#7 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,587
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Re: 57 GMC 550 370 V8 exhaust gaskets
C’mon, don’t tease us!
Where’s the engine pic? |
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Today, 08:56 AM
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#8 |
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Registered User
Join Date: Sep 2019
Location: Dade City
Posts: 58
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Re: 57 GMC 550 370 V8 exhaust gaskets
Well, I see it on my end.
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Today, 09:42 AM
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#9 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,587
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Re: 57 GMC 550 370 V8 exhaust gaskets
Any info I found since last post says it’s a Pontiac 347.
Try that for gasket matching. |
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