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View Full Version : Chevy Adapter Plate For A 6 Cylinder W/Powerglide


JR Pat
02-22-2017, 09:12 PM
I have an adapter plate (GM Part#3836601) that fits between a Chevy 6 cylinder with a powerglide transmission. Internet search shows it fits 55-57 Corvettes and other 1950-1957 models. Excellent condition with only surface rust and no visible cracks. $200.00 (Shipping not included). E mail me at pattons55@yahoo.com for my cell number and pictures. Thanks JP
markm
02-23-2017, 06:37 AM
If you were giving this away, there would be very few takers if they had to pay the freight to get it shipped. I hope selling this was not the only reason you joined here.
chevynut
02-23-2017, 07:35 AM
Welcome to the site Pat. A guy restoring a 6-cylinder 55-57 Corvette to original condition might need that rare part. $200 is a good price...I just looked and saw one on eBay listed for $325. You could probably ship it for $30 or less but I'm sure you know that ;).

Do you have any tri5s of your own?
BamaNomad
02-23-2017, 08:26 AM
the OP wrote: ... "... Internet search shows it fits 55-57 Corvettes..."

If we're talking about the six cylinder to PG adapter, the LAST Corvettes to be built with a 6-cyl were 1955 models (and NOT very many of those, and possibly even fewer with the PG, as the 3-spd manual was introduced in '55 also). The 6-cyl was the standard (and only engine) in Corvettes and they all had PG's behind them for the '53 and '54 Corvettes. In 1955, the V8 was introduced but a *few* were built with the 6-cylinder.
markm
02-23-2017, 08:33 AM
the OP wrote: ... "... Internet search shows it fits 55-57 Corvettes..."

If we're talking about the six cylinder to PG adapter, the LAST Corvettes to be built with a 6-cyl were 1955 models (and NOT very many of those, and possibly even fewer with the PG, as the 3-spd manual was introduced in '55 also). The 6-cyl was the standard (and only engine) in Corvettes and they all had PG's behind them for the '53 and '54 Corvettes. In 1955, the V8 was introduced but a *few* were built with the 6-cylinder.

Good point, I should have caught that one.
chevynut
02-23-2017, 08:36 AM
If we're talking about the six cylinder to PG adapter, the LAST Corvettes to be built with a 6-cyl were 1955 models (and NOT very many of those, and possibly even fewer with the PG, as the 3-spd manual was introduced in '55 also). The 6-cyl was the standard (and only engine) in Corvettes and they all had PG's behind them for the '53 and '54 Corvettes. In 1955, the V8 was introduced but a *few* were built with the 6-cylinder.

Looks like you're right Bamanomad. The eBay ad I found says it's for 53-55 Corvettes. That makes it a rare, probably valuable part for the right car.

http://www.ebay.com/itm/53-55-Corvette-powerglide-Adapter-Plate-3836601-GM-/321658217649
Rick_L
02-23-2017, 08:39 AM
What would make that particular adapter different from a 6 cylinder/Powerglide car rather than a Corvette? This is not an uncommon part at all for a car.
BamaNomad
02-23-2017, 11:31 AM
I think it would be the same as for a passenger car with 6-cyl and PG (and yes, that is much more common to find, as most or many, passenger cars which came with 6-cyl and PG have probably been converted to V8's by now... ) Surviving Corvettes of the '53-54 vintage probably still have their born with parts...
JR Pat
02-23-2017, 11:44 AM
Nope. I joined some time ago, but haven't been active. I originally joined due to the purchase of a '57 Chevy 6100 truck I bought. Since then I have found Stovebolt.com for info. My Yahoo account got hacked and I had to change e mail addresses and start over with a new account on TriFive ( and other sites). My original member number was #31448. Sorry if I offended you. JP
JR Pat
02-23-2017, 01:33 PM
I stand corrected on the years that this fits Corvettes. Thanks JP
Rick_L
02-23-2017, 04:00 PM
It just occurred to me that the Corvette part may be different. The passenger car adapter has provisions for the passenger car bellhousing mounts. Frankly I don't know whether a Corvette is different there, or what its rear motor mounts look like - but it sure could be different.
markm
02-23-2017, 04:56 PM
OP says it fits non Vette models 50-57.
Rick_L
02-23-2017, 05:28 PM
The more I think about it, yes it definitely should be the same as at least 53-54 passenger cars, and maybe all the way back to 50.

After all, everything else on a C1 at least started out the same as 50-54 passenger cars, and that includes the 235 6 cylinder and PG.
JR Pat
02-23-2017, 06:38 PM
Original web site that I got my info from is for "Southeast Chevy Parts" out of Apopka, Fl. It states the adapter plate fits "1950-1957 Chevy Bel Air and Corvette". That is what I was going by. Thanks . JP
BamaNomad
02-23-2017, 07:23 PM
:) .. some of these parts sellers and websites will tell you anything to sell you a part... :)
markm
02-24-2017, 07:09 AM
:) .. some of these parts sellers and websites will tell you anything to sell you a part... :)

I guess the bottom line as I see it is that if its a Corvette exclusive part its has some value. If it fits a Pass car too, I have scrapped dozens of them with zero regrets. Its like camelhump or fuelie heads most have never been within a mile of a fuel injected Corvette.
chevynut
02-24-2017, 07:16 AM
:) .. some of these parts sellers and websites will tell you anything to sell you a part... :)

Certainly a lot of the value depends on the casting number and date code on the part, especially for a NCRS correct build. The correct date code is really important to these guys.
WagonCrazy
02-24-2017, 12:29 PM
Welcome back JR Pat. Do not EVER let ANYONE mess with your head here on this site.
Its not possible to NEVER offend anyone. So don't even worry about it. There are a few Debbie Downers on here. Let 'em be that way.
Just carry on with your project.
I have a 59 Apache 3100 and would enjoy seeing your 6100 build sometime if you post a pic or 2 in the trucks forum or project updates forum.