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Joined: Feb 2015
Posts: 22
T
'Bolter
'Bolter
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Joined: Feb 2015
Posts: 22
I have a '63 Chevy C10. Someone has changed the engine to a 70's straight 6. should be a 250CID... The engine block #'s are 370686.....

Any Help would be Great ...
Thanks.
Attachments
Christmas 1.JPG (333.73 KB, 212 downloads)

Last edited by Peggy M; 05/30/2024 7:16 PM. Reason: added more info to the title
Joined: Sep 2009
Posts: 5,864
Gearhead, Stovebolt Tech and Parts Tracker, Mod for Swap Meet and GTT
Gearhead, Stovebolt Tech and Parts Tracker, Mod for Swap Meet and GTT
Joined: Sep 2009
Posts: 5,864
Your engine block casting# doesn't match any of my resource listings. It seems to lack enough digits. Perhaps you can post pictures of the block and head casting numbers plus the stamped serial number from the machined pad next to the distributor??? More info is needed to try and help you ID your engine. wink


~ Dan
1951 Chevy 3 window 3100
Follow this story in the DITY Gallery
"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)
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W
Socket Breaker
Socket Breaker
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Joined: Feb 2002
Posts: 2,893
Yes, more details please.

The experts will get you sorted out.

-Woog

Joined: Feb 2015
Posts: 22
T
'Bolter
'Bolter
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Joined: Feb 2015
Posts: 22
on the engine #s here is what I found. Really just looking for a new carb or someone to rebuild this 1 bbl rodchester....

Thanks for all the help...
Attachments
engine 1.jpg (214.53 KB, 122 downloads)
Engine 2.jpg (220.59 KB, 123 downloads)
Rodchester 1bbl.jpg (167.31 KB, 122 downloads)

Joined: Oct 2021
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O
'Bolter
'Bolter
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Joined: Oct 2021
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If you have even fair to middlin' mechanical skills, you can rebuild that carburetor yourself. People here will talk you through it step by step if necessary.


1950 Chevrolet 3100 (Ol' Roy)

1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)
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Kettle Custodian (pot stirrer)
Kettle Custodian (pot stirrer)
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Posts: 29,795
A "rebuilt" Rochester is still a Rochester. Don't get your hopes up too high!
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
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Joined: Sep 2009
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Gearhead, Stovebolt Tech and Parts Tracker, Mod for Swap Meet and GTT
Gearhead, Stovebolt Tech and Parts Tracker, Mod for Swap Meet and GTT
Joined: Sep 2009
Posts: 5,864
Tob, The casting# 366855 decodes as a GM (Chevy/Buick/Olds/Pontiac) 250 I6 used form 1966-84. To further ID your engine, please look for and provide the engine serial# which is stamped into a machined pad surface just to the left of the distributor where it's enters the block. You may need to clean off some paint and road grime to see the info. That can be used to further ID what you have. wink


~ Dan
1951 Chevy 3 window 3100
Follow this story in the DITY Gallery
"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)
Joined: Feb 2015
Posts: 22
T
'Bolter
'Bolter
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Joined: Feb 2015
Posts: 22
Dan,

Thank you for the info..

smile


Moderated by  Phak1, Woogeroo 

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