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104547 Posts in 12235 Topics by 4716 Members
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31  Camaro Research Group Discussion / General Discussion / Re: What Would You Do? on: October 07, 2013, 06:33:54 PM
Thanks for your input and answers, guys.  When one knows as little as I do mechanically, your knowledge is greatly appreciated. 
32  Camaro Research Group Discussion / General Discussion / What Would You Do? on: October 04, 2013, 08:12:40 PM
OK, I found my original thread.  It was under the title What Would You Do?  Sounds like I need a shifter and or linkages rebuild? 
33  Camaro Research Group Discussion / General Discussion / Transmission gets locked in gear on: October 04, 2013, 08:02:25 PM
Twice now in the past 2 years my 1969 Z/28 with a M-21 trans (non-original) has after coming to a stop at a stop sign and then trying to put it into first gear to pull away has had the tranny jam in a gear, usually second, or stay in neutral without being able to put it into any gear.  The shifter handle will just freeze up and not be able to be moved at all.  I've had to have it towed both times.  The first time the transmission shop could find nothing wrong with it (it was stuck in second gear when it went into their shop they stated); they cleaned the shift rods, lubed them and everything was fine until this past Wed. when the same thing happened again.  It is currently in the same shop.  I haven't heard back from them yet.  I've owned this Z for 17 years and have had no problem with the trans prior to this first incident in 2011 and now again this week.  Any ideas?  I posted about this problem back in probably around Sept., 2011 but can't find my original post asking about this problem.  Thank you in advance for any advice, ideas, fixes, etc. 
34  Camaro Research Group Discussion / General Discussion / Re: It's Baack-----2014 Z28 on: April 11, 2013, 07:42:25 PM
I like everything about it except that I read somewhere, can't remember where though, that the new Z/28 was going to cost more than the ZL1. 
35  Camaro Research Group Discussion / General Discussion / Re: Build Quality in the Muscle Car Era on: February 05, 2013, 02:44:16 PM
I've read in more than one place, including the opinion of Joe Oldham in his book "Muscle Car Confidential, Confessions of a Muscle Car Test Driver", that GM lead the way in build quality in that era with Chrysler taking a distant third behind Ford too.  All the articles though also mentioned that in terms of engineering, specifically engines, transmissions, drivetrains that Chrysler didn't take a back seat to anyone. 
36  Camaro Research Group Discussion / Maintenance / Re: Vacuum Advance on: September 19, 2012, 01:17:19 PM
Thanks guys for your info.
37  Camaro Research Group Discussion / Maintenance / Vacuum Advance on: September 18, 2012, 12:44:56 PM
I have a couple of questions regarding the vacuum advance and the hose hook-ups for a 1969 Z/28 with the 30-30 cam.  I had the valve lash settings done using JohnZ's guide from this website.  My cars initial and mechanical advance settings have been set to 11 degrees initial and 36 total all in at 2,800 rpm.  My car currently does not have vacuum advance hooked up, and I want to set it up as JohnZ describes in his article using manifold vacuum. 

First question:  When I set my car up like this the idle went up to around 1,400-1,500 rpm.  Is this normal?  Without the vacuum advance it is between 900-1,000.  Is all I have to do is adjust the idle speed to 900-1,000 with the manifold vacuum hook-up?

Second question:  What do I do with the nipple on the AIR diverter valve?  As far as I know my AIR system is operational.  Can I leave the nipple exposed or should I put a plug over it?  Is their something else I need to do regarding the AIR system?

Thank you.
38  Camaro Research Group Discussion / Decoding/Numbers / Re: Carburetor Date Code on: July 05, 2012, 01:52:16 PM
Thanks for the info guys.  In my own mind I thought that the carb was built too close to the car build date for it to be the original carb that came on my car, but I wanted to see what other opinions were. 
39  Camaro Research Group Discussion / Decoding/Numbers / Carburetor Date Code on: July 02, 2012, 01:51:32 PM
Would a Holley 4053 carb with a date of 913 be too close to have come originally on an 01C Z/28?  Car was built at Van Nuys assembly plant if that would make any difference.  Thank you. 
40  Camaro Research Group Discussion / General Discussion / Re: CRG Code Names on: April 10, 2012, 12:27:33 PM
Since I own a 1969 Z/28 I chose Vince to honor Vince Piggins, generally regarded as the driving force behind Chevy offering the Z/28 package to homologate the car for SCCA Trans-Am racing.  My real name is Mario.
41  Camaro Research Group Discussion / General Discussion / Re: Diverter Valve on: February 09, 2012, 05:13:54 PM
My 01C '69 Z/28 has the wire on the diverter valve.  It's a Los Angeles car if that might matter. 
42  Camaro Research Group Discussion / Originality / Re: 69z tires on: January 06, 2012, 07:28:53 PM
From photos the original owner of my 69Z sent me it came with Goodyear Wide Tread GT's.  It is an 01C Van Nuys car. 
43  Camaro Research Group Discussion / General Discussion / Re: What Would You Do? on: September 08, 2011, 11:39:32 AM
Thank you all for your answers and insights.  All your combined knowledge regarding Camaros specifically is much appreciated.  I wish I knew 1/10 of what you guys know. 
44  Camaro Research Group Discussion / General Discussion / What Would You Do? on: September 07, 2011, 04:22:31 PM
My 1969 Z/28 may be in need of a new transmission given the worst case scenario.  When I was driving it this morning it seemed to be much rougher than normal, sort of like the tires were out of balance or some kind of vibration was happening.  When I went to put the tranny into  first gear to pull away from a stop sign it wouldn't go into gear, any gear.  It was like the shifter was hung up in the neutral position.  I finally was able to get it to go into the position where reverse is, but the car would not move.  When the tow truck driver got there and couldn't winch it onto the flat bed he said that it was stuck in gear.  After fooling around with the linkages from under the car and with my riding in the car and depressing the clutch he was able to get it loaded onto his truck.  My car is currently at the transmission shop, but they haven't got back to me yet with any findings. 
I know that the current tranny in my car is not the original one.  As far as I know it is a M21 from 1966.  I know my car came originallly with a Muncie M21 from the factory.  Now for my questions as I wanted to give as much info as I could.

1.  If it is recommended that I get a new or rebuilt transmission should I get another M21?  Since I cannot get the original one would now be a good time to put a M22 in my car?  I have been thinking about doing this for a couple of years now.
2.  Where is the best place to look into a new M21 or M22?  I have been thinking about Medatronics?
Thanks for any and all input.
45  Camaro Research Group Discussion / Maintenance / Re: Doing Your Own Maintenance on: August 15, 2011, 12:40:35 PM
Yeah, that's exactly what I'm talking about.  Seems most modern day shops can handle all the new electronic gadgetry but don't have any idea of how to service carbs, non-electronic distributors, valves, etc. 
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