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| | | | Joined: Oct 2026 Posts: 1 Moderated | | Moderated Joined: Oct 2026 Posts: 1 | I have a 48 216 with a cracked block. I tried to fix with JB Weld as some had posted that it worked for them.
It was close but no cigar.
So now this is the make it do something winter!
I have promised the wife that I would have it going by spring.
I'm looking for options... The first option was get a new block. I need to be honest this isn't a truck it is a very nice Chevy 1940 two door sedan.
It is very original, except for the motor being a 48. So I apologize for being a car guy, but this is about the stovebolt I need to get going.
So back to the options. I have a good numbers correct 40 block sitting in the shop. Then I find out about Babbitt bearings. So now I doubt that my son-in-law and I can do the rebuild.
Should I just find someone to through bore that new block and put in modern bearings? With that option, can I use the top end from the 48 on the 40 block? That would save a lot of time and money with parts.
Option two, find a different motor.
I currently have the wrong motor anyway, so should I just drop a good 235 in there and call it done? They should be easy to find but should be rebuilt before dropping it in.
The 235 should be modern bearings and better to work on I suppose. I'm not a real motor guy. I would be counting on my diesel mechanic son-in-law for most of the knowledge in the rebuild.
I have seen rebuilt 235's on eBay and different places, but it can get pricey.
Any and all lines of thought are welcome | | | | | Joined: Nov 2005 Posts: 6,101 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,101 | Hy HareCanvas, welcome, as you have stated there are many options to getting a running engine into your vehicle. Firstly are you sure the crack repair on your current engine is a lost cause, could you post some pictures of the engine and its crack? | | | | | Joined: Sep 2010 Posts: 2,335 'Bolter | | 'Bolter Joined: Sep 2010 Posts: 2,335 | I would check your local area for a 235/261 | | |
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