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106641 Posts in 12432 Topics by 4791 Members
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181  Camaro Research Group Discussion / Decoding/Numbers / Re: Do these 302 DZ Block Numbers make Sense? on: January 26, 2007, 10:37:18 AM
Everyone,

Great dialog! I have learned quite a bit.

As requested by Jerry, I sent him pictures of the stamps and date codes. He replied verifying the block is a real Z.

Still can't explain the date gaps, however. Someone told me that there might have been a strike during this period (May, 1968 and Sept, 1968), but you would think this gap would be much more prevalent in blocks that were produced then. Perhaps the bock needed some rework?

Anyway, now that I know it's a real deal (whew!), off to begin the rebuild process.

Thanks to everyone who contributed.
182  Camaro Research Group Discussion / Decoding/Numbers / Does CRG have any records on VIN 124379N537643? on: January 24, 2007, 09:07:02 PM
Thanks.
183  Camaro Research Group Discussion / Decoding/Numbers / Re: Do these 302 DZ Block Numbers make Sense? on: January 17, 2007, 10:53:07 PM
Yes, it's a four bolt main. I don't think that two bolt mains could be turned into four bolt mains.

Jmcbeth
184  Camaro Research Group Discussion / Decoding/Numbers / Re: Researching my VIN # and Question on Registering Vehicles on: December 25, 2006, 03:14:56 PM
Exactly what I was looking for. Thanks!
185  Camaro Research Group Discussion / Decoding/Numbers / Researching my VIN # and Question on Registering Vehicles on: December 25, 2006, 12:41:33 PM
Does CRG have any records on VIN 124379N537643?

Also, I understand that CRG maintains a DB of Camaro numbers. What information you would like on vehicles and how do I submit such information?

Thanks,

jmcbeth
186  Camaro Research Group Discussion / Decoding/Numbers / Do these 302 DZ Block Numbers make Sense? on: December 25, 2006, 12:38:11 PM
I purchased a stripped 302 block. Here are the markings:

- Block Casting #: 3932386
- Casting Date: E228 (May 22, 1968)
- Engine Production Code: V0913DZ (Flint ,September 13, Z/28)
- Partial VIN: 19N512382 ( Norwood, late September build)

These all seem reasonable to me. Are they? Did they cast the blocks that far in advance of the assembly dates?

Does CRG have any records of this VIN?

Thanks in advance,

jmcbeth
187  Camaro Research Group Discussion / General Discussion / Looking for Classic Car Transportation Company Recommendations on: December 03, 2006, 11:37:13 PM
I need to transport a car from Cleveland to Maryland. Anyone have a favorite company? Also, any adivce?

Thanks in advance,

John
188  Camaro Research Group Discussion / Maintenance / Re: Ignition Problem on: November 10, 2006, 09:01:26 AM
Actually, the ignition switch could be the problem. The ignition switch completes the circuit between the battery and the coil when in the ON position. If not the swtich itself, it's a short between the wires going to the switch and from it, effectively by-passing the switch. In any event, this condition appeared while you were on your last cruise. As indicated in the first reply, I'd start with the ignition switch and work from there. Best of luck!
189  Camaro Research Group Discussion / Maintenance / Re: Clutch Return Spring Installation with Headers in '69 Camaro Z/28 on: November 10, 2006, 08:47:52 AM
Firstgenaddict,

Thanks for the clever solution. A picture would be great. 
190  Camaro Research Group Discussion / Maintenance / Re: How to adjust 69 RS head light doors? on: November 07, 2006, 08:52:12 PM
Kris,

Just saw this post. I have the same problem with my '69. The mechanism is sagging significantly and it's very hard to open and close the doors. Someone pointed out to me the headlight mechanism support brace. See 1969 Factory Assembly Instruction Manual UPC Z22 A2, Item 3. If this brace is missing or bent, the entire mechanism will sag.

When you solve the problem, I'd be interested in what you did.

Also, it looks like we have the same color scheme, Dover White with Hugger Orange stripes?

Best,

John
191  Camaro Research Group Discussion / Maintenance / Clutch Return Spring Installation with Headers in '69 Camaro Z/28 on: November 07, 2006, 08:38:42 PM
The normal clutch return spring hooks between the clutch fork and the left engine mount. With headers, however, the straight line path between these two points is obstructed by the headers. I've seen a couple of solutions that don't work well. One was to run the spring between the header pipes. Every time the clutch pedal was pressed, the spring scraped against the headers. Does anyone know of an elegant way to solve this problem?
192  Camaro Research Group Discussion / Maintenance / Re: Recommendation on Transmission Pilot Bearing on: August 08, 2006, 03:17:45 PM
Thanks for sharing your good experience with the needle bearings. As you point out, there is very little relative difference in rotation. I don't  think my Z will spend that much time at 7,000 RPMs anyway. Off to install!
193  Camaro Research Group Discussion / Maintenance / Recommendation on Transmission Pilot Bearing on: August 07, 2006, 08:42:57 PM
I recently had my '69 Z/28 transmission (M20) rebuilt by a very reputable Camaro expert. He recommended I use a needle type pilot bearing (GM Part # 14061685) instead of a solid bearing.

In doing some research on the web, I came across the following statement:

"GM has changed their part numbers several times and are currently referring to the bearing (part #14061685) to be used. We strongly suggest NOT using this bearing as it is a needle type bearing designed for 6.2L diesel trucks which have a limit of only 4,000-4,500 rpms. You can imagine how fast those little needles will turn at over 7,000 rpms. We have seen some failures which were quite interesting. The ideal bushing replacement is a bronze type with three grooves (or flutes) spiraled inside and is available under the GM part number 10125896."

(From http://www.zr1netregistry.com/ZR1_troubleshooting.htm.)


So, I have conflicting recommendations. Can anyone shed some light?

Confused... Huh
194  Camaro Research Group Discussion / Maintenance / Can Anyone Recommend a Transmssion Shop in Baltimore Area? on: July 04, 2006, 06:54:44 PM
I am looking for a reliable shop to rebuild my '69 Muncie M20 4-speed manual transmission. Anyone have a suggestion?

Thanks,

John
195  Camaro Research Group Discussion / Maintenance / Tachometer Lead Broken on: May 11, 2006, 07:52:33 PM
69 Z28 RS, Tachometer in dash. The tach has three leads, two of which are attached to studs with nuts, and one that is attached to a rivet. This last lead has separated from the rivet. It looks like this may be a common problem. Has anyone else seen this? Any suggestions for how to repair, given that tachs are notoriously fragile?

UPDATE: I discovered that the solution was to disassemble the tach, drill out the broken rivet, and replace with a screw and nut. It's so nice to work again on vehicles that can actually be repaired! Case closed. Cheesy
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