1968 302 sbc - Team Camaro Tech
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post #1 of 3 (permalink) Old Apr 30th, 15, 04:25 AM Thread Starter
Glenn Gatch
 
Join Date: Jul 2007
Location: Walterboro, S.C.
Posts: 3
1968 302 sbc

Hey guys. I recently bought a short block from a guy who says it was a 302 sbc out of a 68 Camaro. I looked up the casting number and that cast number show up as a 302 but it also shows that it could be a 350. I hear that original 302 engines are hard to come by a wanted to make sure what I really have. I've got a 350 also and can see several differences in the two blocks but would like to know for sure whether it is a real and original 302 block. The cast number is 3914678 and the engine code is V0206YW. I was able to decipher part of the engine code which tells me it was built in Flint, Mich on February the 6th but can't find the suffix code "YW". It is a two bolt main block. Can anybody help me with this. What are the things that would tell me that this is an original 302 out of a 68. Thanks in advance for any help.
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post #2 of 3 (permalink) Old Apr 30th, 15, 04:37 AM
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Tim
 
Join Date: Mar 2011
Location: Australia
Posts: 3,611
Re: 1968 302 sbc

Glenn I believe YW was used in 1966 truck applications as a 327ci 185hp. However that is a 68 block casting number, don't think it was used in 66. Sure it's not YV? Can you find a block casting date at the rear, by the bellhousing mounting flange near the distributor hole? That should confirm when it was cast. But it appears you've been misled, at least insofar as the block was not originally assembled as a '68 302.

1969 04A Van Nuys-built Z/28. Cortez Silver with dark blue interior and VE3. Sold Clippinger Chevrolet. Raced at Lions in LA.
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post #3 of 3 (permalink) Old Apr 30th, 15, 05:25 AM
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Brian
 
Join Date: May 2005
Location: Laurel, In
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Re: 1968 302 sbc

Quote:
Originally Posted by ZLP955 View Post
But it appears you've been misled, at least insofar as the block was not originally assembled as a '68 302.
An original '68 302 would've been stamped MO, so it may be a 302 now, but it wasn't originally. Which crankshaft does it have in it? You can drop the oil pan and see the casting number. If you aren't going to take it apart, post a picture of the rear crankshaft flange if you can.

Experience...... It's what you get when you didn't get what you wanted.
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302 cid, 302 dz mo, 302 z28 lt1 judging, 302 z28 z/28 mo

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