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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: Jun 2008 Posts: 56 Wrench Fetcher | | Wrench Fetcher Joined: Jun 2008 Posts: 56 | I was on a web site looking at the rod and main bearing specs for the 50-55 216 and 235. The crankshaft rod and main bearing specs are the same for those six years. I know that around 53-54 the 235 went to a pressurized oiling system. Can you use 53-55 235 bearings since the crank specs are the same as a 216? Engine specs: http://www.secondchancegarage.com/public/468.cfm | | | | | Joined: Feb 2004 Posts: 29,805 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,805 | No, the conversion bearings for the splash-oil engines are totally different than the 54-61 rod bearings. They still use the dippers for lubrication, so there's a hole in the lower bearing to align with the dipper hole in the rod cap. There's also an elliptical slot that connects both bearings to allow the oil picked up by the dipper to find its way to the upper bearing shell. The 54-61 bearings get oil from the main bearings through a drilled passageway in the crankshaft. The 216 crank is solid- - - -no oil passages.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
| | | | | Joined: Jan 2001 Posts: 5,337 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,337 | One other thing that keeps you from using full pressure rods is the width, they are much narrower.
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