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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: Jul 2013 Posts: 55 'Bolter | | 'Bolter Joined: Jul 2013 Posts: 55 | Hi All,
Can someone share what the measurements are for 216 and 235 engine? There is local debate amongst car guys in my area on which of the motors is longer than the other. The question came up as I was discussing swapping the 216 out of my 39 pickup for a full pressure 1954 235. The debate is over clearance issues. They are insisting that the 235 is longer than the 216. Can someone provide the actual measurements?
Thanks!
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52 SUBURBAN, 57 BIG WINDOW Pickup, 64 Malibu CV
| | | | | Joined: Jan 2013 Posts: 1,518 'Bolter | | 'Bolter Joined: Jan 2013 Posts: 1,518 | They are the same if you use the 1954 engine, later models (55-up) might throw the fan a little forward depending if the later water pump would be used. Check out this article: https://www.stovebolt.com/techtips/engine_swap_216.htm
Last edited by sstock; 09/05/2019 9:35 AM.
1953 Chevrolet 3100261 cu inch, sm420, 3.55 rear, torque tube still,omaha orange, still 6 volt, RPO green glass, side carrier spare, all done In the DITY GalleryVideo of the 261 running1964 GMC 1000305 Big Block V6, sm420, the next cab off restoration
| | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | Sergio,
Just in case you get odd responses/arguments from your friends, regarding the high-pressure 1954 235/261 (and some early 1955 235/261s) that sstock correctly refers-to as high-pressure engines: your friends might not know that 1937-1953 low-pressure 235s were also the same length as the low-pressure 216s. | | | | | Joined: Apr 2005 Posts: 7,440 Bolter | | Bolter Joined: Apr 2005 Posts: 7,440 | Just a side note: The GMC I-6s are longer which may cause they’re confusion.ðŸ›
Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)
‘65 Chevy Biscayne (Emily)
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| | | | | Joined: Jan 2001 Posts: 5,337 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,337 | There can in some cases be an issue with oil pan.
Chevrolet did not start using a rear crank seal until 1940.
At that time the oil pan was redesigned and extends further back.
In some conversions the pan can interfere with the crossmember and some modification of the pan or crossmember will be needed.
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