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Joined: Nov 2011
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Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Nov 2011
Posts: 81 |
Anyone used one of those adaptor plates that lets you use an old type water pump on a 235 engine. Filling Station said it bolts right on but Chevy's of the 40's said you have to drill and tap two holes in the engine block. Whats the truth?
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Joined: Apr 2008
Posts: 1,194
ChatMaster - 1,000
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ChatMaster - 1,000
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You have to drill and tap the block.
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Joined: Sep 2002
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ChatMaster - 2,000
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Here is a link to the explanation by the original inventor. Adapter Plate Scroll down to pic 18 to start. I found his blog with the instructions. Blog with instructions
My 1951 1 Ton is now on the road! My 38 Master 4 Door is also now on the road .
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Joined: Aug 2002
Posts: 410
Backyard Mechanic
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Backyard Mechanic
Joined: Aug 2002
Posts: 410 |
I used the adapter when I put the '56 235 in my '42. You do have to drill and tap 2 holes. Easy install and works well.
Cleon
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Joined: Nov 2012
Posts: 604
Oil Can Mechanic
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Oil Can Mechanic
Joined: Nov 2012
Posts: 604 |
FWIW, Patricks <patricksantiquecars.com> (520)836-1117 has a lot of info and parts for 235's etc. Nice folks, too.
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Joined: Nov 2011
Posts: 81
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Nov 2011
Posts: 81 |
Cleon would you give me a call at 301-937-8123 i would like to talk to you about the adapter. Thanks Alvin. After 5.00pm EST. Or email me your number and i will call you. rem6mmbr@msn.com
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Joined: Jan 2007
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ChatMaster - 1,000
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I used it on the 57 235 that is in my 37,I pulled the front sheetmetal to drill the holes.
VCCA #45194
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Joined: Jan 2003
Posts: 318
Backyard Mechanic
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Backyard Mechanic
Joined: Jan 2003
Posts: 318 |
I have looked at that adapter for my truck and I really can't see why a 16" electric fan above the lower water pump position on the newer 235's isn't a better choice.
I see that adapter as a spot for potential leaks and I think an electric fan, over the long run is a more safe choice. The fan can be also be used much more effectively in an idling situation. If not the fan, a fan shroud will also do the job. I see that adapter as a place for potential leaks.
See Facebook Page for Joe Fuchs to see more pictures of my 1937 Chevrolet 1/2 Ton Pickup
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Joined: Dec 2001
Posts: 11,162
ChatMaster - 10,000
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ChatMaster - 10,000
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Joe, from my experience with 235 and 261 engines and aftermarket 6 and 12 volt electric radiator fans, I suspect that you are over confident about electric fans and under confident about the adapter plates for 235 and 261 post 1954 engines that allow the pre-1955 water pumps to be used on late model engines in the pre 1954 Chevrolet vehicles.
Life's a long winding trail, love Jesus and ride a good horse!
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Joined: Sep 2002
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Where would be the potential leaks? The plate replaces the backing plate on the water pump.
My 1951 1 Ton is now on the road! My 38 Master 4 Door is also now on the road .
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Joined: Jan 2003
Posts: 318
Backyard Mechanic
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Backyard Mechanic
Joined: Jan 2003
Posts: 318 |
As far as the fan goes, I speak from experience. The one on my 37 pickup works very well. As far as leaks, I have no experience with that type of water pump so I suppose I spoke without personal experience. It seems to me that 216-235 engines have a tendency to leak - no matter what the fluid is and this seems like another spot to leak.
See Facebook Page for Joe Fuchs to see more pictures of my 1937 Chevrolet 1/2 Ton Pickup
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Joined: Dec 2001
Posts: 11,162
ChatMaster - 10,000
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ChatMaster - 10,000
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So how long have you had the electric fan (6 volt?) on your 37 pickup? What kind of a water pump do you have? How do you drive the generator, with a fan belt?
I've had the original waterpump fan combination on my 53 (235 solid lifter truck engine) since 1991 and have never had a coolant leak.
Life's a long winding trail, love Jesus and ride a good horse!
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Joined: Jan 2003
Posts: 318
Backyard Mechanic
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Backyard Mechanic
Joined: Jan 2003
Posts: 318 |
The electric fan has been on for probably 20 years. It is a 12 volt fan. The water pump is a rebuilt Chevrolet pump that a friend rebuilt for me. It's a good pump. The alternator is driven with a belt on a two pulley harmonic balancer.
At this point, I'm almost leak free everywhere. What few I have, I know where they are, why they leak and how to fix them. I just haven't fixed the two or three I have. All of them are small oil leaks. It is a Chevy six!
See Facebook Page for Joe Fuchs to see more pictures of my 1937 Chevrolet 1/2 Ton Pickup
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