wizxon8dwr
Newbie
Posts: 2
Reg: 08-05-14
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02-12-24 11:38 AM - Post#2866826
Hi, I’m an amateur and I have a small block Chevy engine mounted to a transmission. I have a 1949 Chevy truck 3100. The sbc has no casting numbers, either rust or oil is covering the numbers but a few people told me it’s a 283 or 327.
The driver side numbers on the transmission is GM 3925660
The passer side numbers are 3925660 and right below it is
US patent No 3088336 general motor corp
I want to buy a new engine or rebuild my old one so I’m trying to figure out the transmission
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 drtyler
"9th Year" Gold Supporting Member
Posts: 796
Loc: Georgia
Reg: 05-06-10
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02-12-24 02:22 PM - Post#2866833
In response to wizxon8dwr
Muncie 4 speed, late 60s
https://camaroforums.com/forum/67-69-general-4 3/mu...
Can you post pictures of your engine?
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 rrausch
"19th Year" Silver Supporting Member
Posts: 15183
Loc: L.A, Cal. & St. Louis...
Reg: 04-07-03
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02-13-24 08:37 AM - Post#2866850
In response to drtyler
Can you post a picture that shows the front of the heads? Also, if you pull a valve cover the heads will have casting numbers and date code cast into each head.
If the trans is a Muncie, more than likely the engine is a 327.
1953 210 Convertible, 261 with dual Carter YF 966S carbs, P.S., Remote Bendix P.B. Booster.
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DZAUTO
Member #51
Posts: 9274
Loc: Mustang, OK, USA
Reg: 12-25-99
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02-13-24 01:42 PM - Post#2866860
In response to drtyler
Yep, that is correct.
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