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Old 09-02-2010, 01:10 PM
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Conversion from 216 to a 235

I inherited a 1953 chevy pickup with a 216 and have an opportunity to buy a 235 full flow engine. Can anybody give me an idea of what modifications I need to make (Can I use the same tranny, do I need a different radiator, can I use the same motor mounts-etc.-------). All the books I've read say that the 216 without the full flow will be hard to keep up with traffic on the interstate and that the 235 full flow will have no problem.
thriftmaster Joe

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Old 09-02-2010, 01:39 PM
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Some info:

The following was about a '46 truck, from Classic Parts Talk forum:

" prepared to deal with several differences that I'm sure you can handle. The front mount plate can be modified to use the 216 mount cushion.
The bell housings/flywheels can be switched or rear frame mounts fabbed for the 235 which had both a straight mount or an angled one depending on the year.
The water pump is different and the location is lower but if there isn't a clearance problem all is good.
Most likely there will be a problem with the 235 fan being further forward but the 216 pump and fan can be used with an adaptor that also relocates it higher.
The angle of the exhaust outlet is different but that's no big problem.
The 58 or newer 235 is the best engine but the 54-57 are much easier to work with than a 216 if you have to go into the bottom end.
This swap has been done thousands of time so if you check the "search" feature on this and other sites you can gather a lot of tips and probably even get some of my wrong ones corrected. If you keep the torque tube you are most likely stuck with a non-synchro 1st gear transmission but the others are synchronized."

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Last edited by cobalt327; 09-02-2010 at 01:46 PM.
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