235 straight six ?
- Thread starter 49chevy
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R Pope
Well-known member
Don't bother. The dippers don't have the oil flow for hydraulics. Find a pressure engine, or learn to love adjusting valves.
earthman
Fascinated by rolling objects!
Luv those Chevy sixes '49 but i believe Mr. Pope is correct.A later engine with an oil pump will also have insert bearings.
Willowbilly3
A *real* tin magnet
FWIW the very first 235s were 53, 216 prior to that and correct on the dippers. But here is a lesser known fact, the first 235s were dippers with solids on the stickshift, only the powerglide got the inserts and hydralics until 54. Those dipper engines can be quite rugged if you remember to warm them up properly. If you rev it up when it's cold you splash all the oil out and some more doesn't run in fast enough.
235's were made prior to 1953, my 1949 Chevy 6 in the modified is a 235 c.i.
"hi-torque" option from a pick up truck.
It is visually identical to a 216, solid lifters.
Block numbers list it as a 235, the head (and head number) are for a 216.
Very confusing until I found the correct information. '22
Mine is a 51 235 w/2 speed powerglide.I also have a 50(out of a truck) 235 that was given to me with the hydraulic lifters.I was wanting to make the 51 hydraulic if it wasnt to involved.I had a exaust valve break, and go through the top of the second piston.While i have the 51 broken down i figured i would up date it.
More Info.....
The main problem is that I don't think the block is drilled to supply hydraulic lifters with enough oil and there is not enough oil pressure available to pump them up.
I could be wrong though (it wouldn't be the first time.... ).
3 places to contact that are helpful:
http://www.patricksantiquecars.com/
http://www.stoveboltengineco.com/
http://www.inliners.org/
Inliners has a casting numbers section, with 3 additional links for casting numbers
at the top of the casting numbers page.
Patricks is very helpful, I have delt with them a few times.
The following is from the stovebolt site:
One of the simplest methods of improving the overall performance of 1937-51 Chevrolet passenger and trucks is with the installation of a '55-'63 Chevy 235 or 261 six. Not only does the increased displacement enhance performance, but the later engines are a far better design! The 235-cubic-inch inliner made its debut in trucks in 1941 and in passenger cars in 1950 (available only in Powerglide automatic equipped deluxe model cars). The 235 offered improved performance over its 216-cubic inch predecessor, but it still had a number of shortcomings; namely the splash oiling system used to lubricate the rod bearings.
For 1953, Chevrolet introduced an improved version of its venerable six again in Powerglide-equipped cars and featured pressure-lubricated rod bearings. Beginning in 1954, all Chevrolets featured full pressure oiling; this significant change improved the inline engine dramatically. Obviously, swapping one of these engines into an earlier car is a desirable retrofit. But '53 Powerglide and '54 full pressure aren't as easy to come by as they once were, making the more plentiful '55-'62 engines an excellent choice for such swaps.
I hope this is of some help to you, good luck. '22
The main problem is that I don't think the block is drilled to supply hydraulic lifters with enough oil and there is not enough oil pressure available to pump them up.
I could be wrong though (it wouldn't be the first time.... ).
3 places to contact that are helpful:
http://www.patricksantiquecars.com/
http://www.stoveboltengineco.com/
http://www.inliners.org/
Inliners has a casting numbers section, with 3 additional links for casting numbers
at the top of the casting numbers page.
Patricks is very helpful, I have delt with them a few times.
The following is from the stovebolt site:
One of the simplest methods of improving the overall performance of 1937-51 Chevrolet passenger and trucks is with the installation of a '55-'63 Chevy 235 or 261 six. Not only does the increased displacement enhance performance, but the later engines are a far better design! The 235-cubic-inch inliner made its debut in trucks in 1941 and in passenger cars in 1950 (available only in Powerglide automatic equipped deluxe model cars). The 235 offered improved performance over its 216-cubic inch predecessor, but it still had a number of shortcomings; namely the splash oiling system used to lubricate the rod bearings.
For 1953, Chevrolet introduced an improved version of its venerable six again in Powerglide-equipped cars and featured pressure-lubricated rod bearings. Beginning in 1954, all Chevrolets featured full pressure oiling; this significant change improved the inline engine dramatically. Obviously, swapping one of these engines into an earlier car is a desirable retrofit. But '53 Powerglide and '54 full pressure aren't as easy to come by as they once were, making the more plentiful '55-'62 engines an excellent choice for such swaps.
I hope this is of some help to you, good luck. '22
Last edited:
Very helpful.Thanks
