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4651  Camaro Research Group Discussion / Mild Modifications / Re: rebuilding engine on: March 28, 2007, 09:07:58 PM
Dave -

Based on your new info you have a 1978 350 cid Chevrolet block cast on June 20, 1978.  The engine was assembled at the Flint engine plant on June 22, 1978.  For what model I don't know,  the TDB engine suffix code doesn't show up anywhere for 1978.  Anybody else know?  Dave, can you clean (remove the paint) from the engine pad and recheck the numbers/letters?  This might "clear" things up.  Also, I can make out only two of your photos.

Paul  
4652  Camaro Research Group Discussion / Mild Modifications / Re: rebuilding engine on: March 28, 2007, 03:09:49 PM
Dave -

Could the casting number on the block be 3970020?  This is one of the casting numbers listed for the 1969-73 307 cid engine.  Then the engine suffix code would make sense.

Paul
4653  Camaro Research Group Discussion / Decoding/Numbers / Re: Muncie vin #'s on: March 28, 2007, 01:09:12 PM
Thanks guys.  C.A.C., that's a new one for me.   Roll Eyes

Paul
4654  Camaro Research Group Discussion / Originality / Re: 69 z28 rods on: March 28, 2007, 01:05:11 PM
Kurt -

What is the GM part number on these rods?  Thanks in advance.

Paul
4655  Camaro Research Group Discussion / Mild Modifications / Re: rebuilding engine on: March 28, 2007, 01:02:04 PM
Dave -

I just Googled TDB and was directed to nastyz28.com.  There they list engine suffix code TDB as a 1972 307 cid small block V8 for the C-10 & C-20 trucks.  The engine assembly date on the front pad of 06022 would then make sense: June 2, 1972.  They also list code TDB as being used in 1980 (no engine size listed) on the C-10 & 1500 trucks, but then your engine assembly date doesn't fit.  Once you double check the casting date on the block we will know more.

Paul
4656  Camaro Research Group Discussion / Decoding/Numbers / Re: Muncie vin #'s on: March 27, 2007, 06:55:50 PM
Thanks Ed!  Where did you find this info?  Your P&A manual?  Also, what does "C.A.C." stand for?   Huh

Paul    
4657  Camaro Research Group Discussion / Decoding/Numbers / Re: Is this VIN in your database? on: March 27, 2007, 12:03:18 PM
Wow!  Our cars might be brothers.  Your car is about 500 units before mine.  What is the build date on your trim plate?  Mine is 02C.

Paul
4658  Camaro Research Group Discussion / Decoding/Numbers / Re: Muncie vin #'s on: March 27, 2007, 11:50:38 AM
That tag is the "assembly number" for the transmission - it identifies the specific combination of main, side cover, and tailhousing castings, gearset type and ratios, input and output shafts, and output shaft speedo drive gear diameter and tooth count to suit a specific usage. Although most Muncies look the same externally, there were about a dozen different "assemblies" used, and that part number tag (and the broadcast code) identified which one they were.

Where can I found the specific usage of this number (3915085)?  I'm curious if this number was only used for a Z/28?

Paul    



4659  Camaro Research Group Discussion / Decoding/Numbers / Re: Muncie vin #'s on: March 26, 2007, 11:49:46 PM
Usually stamped at least three to four times.  On the very front part of the case, at the rear of the case, on the center bearing support, and the tailshaft lip.

Jerry

Now that's something I didn't know and will have to check!  Is it always at least three to four times?

Paul  

I got under the old Z tonight to check for multiple vin stampings on the Muncie and could only find two.  Both stampings are on top of the case, right (passenger) side, one in the front and one in the back as Jerry described.  There could be more, but with the transmission in the car and 39 years of grime, that's all I could find with my mirror.  There is also a metal tag attached to transmission side cover with the number 3915085 embossed on it.  What does this number reference?  

Paul      
4660  Camaro Research Group Discussion / Decoding/Numbers / Re: LOS assembly line question on: March 26, 2007, 12:28:43 PM
Cool photo John!  You have to write a book and fill it with these historic photos.   Smiley

Paul  
4661  Camaro Research Group Discussion / General Discussion / Re: Two Black 1969 Z28s! on: March 25, 2007, 01:27:03 PM
Forgot to mention, how about the snakes!  When I was at Gregg's home, I was walking into his house and there was an 8-10' long brown snake on the steps of his porch.  It got my attention!  This thing was big and thick! 

I hate snakes!

Jerry 

What!!  The Z/28 "guru" is afraid of Cobras!!  Don't let this get out CRG!   Cheesy

Paul
4662  Camaro Research Group Discussion / Decoding/Numbers / Re: Z28 on: March 24, 2007, 11:53:08 PM
Mark -

Don't forget:

2S = rear antenna

 Smiley

Paul
4663  Camaro Research Group Discussion / Originality / Re: 69 z28 rods on: March 24, 2007, 11:42:25 PM
Why?  Originality?  Performance?  Other...?

Paul
4664  Camaro Research Group Discussion / Decoding/Numbers / Re: Muncie vin #'s on: March 24, 2007, 11:37:39 PM
Usually stamped at least three to four times.  On the very front part of the case, at the rear of the case, on the center bearing support, and the tailshaft lip.

Jerry

Now that's something I didn't know and will have to check!  Is it always at least three to four times?

Paul  
4665  Camaro Research Group Discussion / General Discussion / Re: Two Black 1969 Z28s! on: March 24, 2007, 11:29:47 PM
Jerry -

The weather is always great out here, as are the cars!   Grin   Grin   Grin

Paul
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