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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Dec 2009 Posts: 9 New Guy | | New Guy Joined: Dec 2009 Posts: 9 | Would like to know what i need to do to put a 1955 -235 in place of original 194 --6 in 1931 chevy coupe 194 has antifreeze in oil and is stuck . Would like to put a six with inserts in it | | | | | Joined: Jan 2001 Posts: 5,337 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,337 | 1938-46 truck bellhousing will bolt to 1931 trans and 235.
1942-54 flywheel, if staying 6 volt.
I should have documented it, but one of the two front bearing retainers from a 1938-47 truck 4 speed.
Front mount will need some modification as the 235 is about 1-3/16" shorter.
Bell-housing crossmember or the pan will need to be modified.
Throttle linkage
Exhaust.
If a 1955-62 engine is used, water pump adaption.
I'm sure there is more, but that is a start.
Last edited by Pre '68 Dave; 09/21/2018 2:42 PM. Reason: Flywheel year correction.
See the USA in your vintage Chevrolet! My Blog | | | | | Joined: Dec 2009 Posts: 9 New Guy | | New Guy Joined: Dec 2009 Posts: 9 | | | | | | Joined: Apr 2005 Posts: 7,441 Bolter | | Bolter Joined: Apr 2005 Posts: 7,441 | “Coupe”? What kind of pickup is a coupe?ðŸ›
Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)
‘65 Chevy Biscayne (Emily)
‘39 Dodge Business Coupe (Clarence)
“I fought the law and the law won" now I are a retired one!
Support those brave men/women who stand the "Thin Blue Line"! Hug a cop!
USAF 1965-1969 Weather Observation Tech (I got paid to look at the clouds)
| | | | | Joined: Dec 2009 Posts: 9 New Guy | | New Guy Joined: Dec 2009 Posts: 9 | | | | | | Joined: Apr 2005 Posts: 2,832 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 2,832 | Oh you poor uninformed young people---of course there were coupe pickups. Gm made them from 1936-42. Do a search foe "pickup boxes for coupes" and then read the article by Jim Carter Truck Parts and look at the very good pictures. A good friend had a 37 Chevy business coupe with the pickup box and my Dad hauled his bulldozer service parts in an old Ford coupe with a pickup box. IIRC both Sears and Montgomery Ward offered after market ones that you installed yourself. The Aussies improved on our crude ones with their Utes.
Evan
| | | | | Joined: Apr 2005 Posts: 7,441 Bolter | | Bolter Joined: Apr 2005 Posts: 7,441 | Just cause it looks like a pig don't mean it's a pig.
Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)
‘65 Chevy Biscayne (Emily)
‘39 Dodge Business Coupe (Clarence)
“I fought the law and the law won" now I are a retired one!
Support those brave men/women who stand the "Thin Blue Line"! Hug a cop!
USAF 1965-1969 Weather Observation Tech (I got paid to look at the clouds)
| | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | I believe the flywheel would have to be later than 1940. The 1940 used 6 bolts on the crankshaft but were smaller in diameter than the later ones, I believe. Didn't the 38 and 39 use four bolts? | | | | | Joined: Jan 2001 Posts: 5,337 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,337 | Thanks for catching that truckernix.
The flywheel would need to be 1942-54.
1938 and later pressure plate and disc.
It is true that 1940-41 flywheels are 6 bolt, but they are 3/8", not 7/16", that started in 1942.
The center hole that pilots on the crank is also larger than 1942-62.
See the USA in your vintage Chevrolet! My Blog | | |
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