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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: Jan 2011 Posts: 237 'Bolter | | 'Bolter Joined: Jan 2011 Posts: 237 | good morning to all
i just had a motor from a 1942 carryall placed in my 1938 chevy. the motor is a 235, i had it swapped friday and its been throwing out white smoke from the exhaust. any ideas why? the local mechanics state it could be condensation in the motor? any solutions? | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | You might want to ID the engine. There is an engine Serial Number pressed into the block to the rear of where the distributor enters the block. Find that code and post it here. Here are locations of head/block codes. | | | | | Joined: Apr 2005 Posts: 7,440 Bolter | | Bolter Joined: Apr 2005 Posts: 7,440 | White smoke is almost always water. Head gaskets, cracked head, cracked block are the usual suspects.
Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)
‘65 Chevy Biscayne (Emily)
‘39 Dodge Business Coupe (Clarence)
“I fought the law and the law won" now I are a retired one!
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| | | | | Joined: Jan 2011 Posts: 237 'Bolter | | 'Bolter Joined: Jan 2011 Posts: 237 | | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | " . . . the local mechanics state it could be condensation in the motor . . "
That is one possibility, but Martin's post above states the more likely suspects.
Were any of those mechanics the source of this motor?
Are they professional mechanics?
| | | | | Joined: Jan 2011 Posts: 237 'Bolter | | 'Bolter Joined: Jan 2011 Posts: 237 | the mechanics are professional. one owns a auto parts store and has been giving me accurate advice over the past 20 years..
"White smoke is almost always water. Head gaskets, cracked head, cracked block are the usual suspects." i will check it out. | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | Where (from whom) did you buy the motor?
Have you ID'd the year of the motor? | | | | | Joined: Jan 2013 Posts: 1,518 'Bolter | | 'Bolter Joined: Jan 2013 Posts: 1,518 | Run a compression check/leak down, any ugliness will show up there.
Last edited by sstock; 10/16/2017 3:09 PM.
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: Jan 2011 Posts: 237 'Bolter | | 'Bolter Joined: Jan 2011 Posts: 237 | i will run compression test. the motor is from an early 1942 truck. its the first series of 235s with a 216 exterior look | | |
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