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102560 Posts in 12096 Topics by 4669 Members
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76  Camaro Research Group Discussion / Restoration / Re: How to assemble oil line to block fitting? on: March 13, 2013, 12:55:40 PM

this is one solid piece with no splits (tiny barrel sleeve in pic)


[/quote]

That ferrule might be OK in that fitting against the block but Good Luck getting that one to seal in the factory gauge end, I saw a non stock type ferrule like that 1 leak years ago and it messed up the carpets big time.  Also the Camaro repo line kit has the splits backward as noted above, I tried to use 1 a few years ago and couldnt get it to seal.

 FWIW at the gauge I use a Corvette repo line, it has the "Correct" type GM production sleeve and "split" ferrules.  Line kit with "CORRECT" ferrules is $9.95 from Corvette Central.

I also usually wad up a small "high absorbent towel" and place it in the consol under the gauge just in case.

http://www.parts123.com/parts123/yb.dll?parta~dyndetail~Z5Z5Z50000050g~Z5Z5Z514476~P9.95~~~~S3QH0P4VAX96512229824Q~Z5Z5Z5~Z5Z5Z50000050G
77  Camaro Research Group Discussion / Originality / Re: 4053 Carb question. on: March 12, 2013, 10:51:23 AM
FWIW - Most Later issue repo & service date 4053 carbs also have the wrong accelerator pump body & retainer screws and accellorator pump adjuster bolt/spring setup. Original production ine installed 4053 housings use clutch screws and the adjuster bolt never used a nyloc nut , they had a screw the other way with a t nut setup against the pump housing arm. Also the base idle adjustment screw was a different design.
78  Camaro Research Group Discussion / Restoration / Re: Original Muncie bolts - head markings info on: March 11, 2013, 10:22:57 PM
Most 69 Z28 trans have "SBC" on the 3 upper tailhousing and 2 shorter tailhousing bolts, and usually "TR" or L5 on the longer singular tailhousing bolt. Either "SBC" or "TR" side cover bolts. Earlier cars pre Jan/69 seem to use the "TR", later cars use "SBC"
 I have also seen "RBW" tailhousing bolts.
BTW, lots of trans have mismatched bolts, I dont think the Muncie plant cared, the workers used what ever was in the bin. GM did use different suppliers. FWIW.
79  Camaro Research Group Discussion / Originality / Re: Carb Stud Length - '69 Cowl Air Cleaner on: March 11, 2013, 06:30:09 PM
Mike, thanks for the posting, that's excellent information and the photos help a great deal!  For completeness of topic and future reference, do you have, and would you post the measurements for the non-cowl stud as well.

 

1.505 Overall Length,machined raised portion in middle .265 long X .312 wide, threaded length .620 both ends
80  Camaro Research Group Discussion / Originality / Re: Carb Stud Length - '69 Cowl Air Cleaner on: March 11, 2013, 02:06:09 PM
Lloyd, your stud is a little too long. IMO. I can only measure mine from the flange up, but it is 1.500 from the top of the flange to the top of the stud. Mine appears to have a smaller unthreaded shank area above the flange. Original cowl hood wingnuts are plain steel and have small thumb wings, BTW. I have also included the correct short stud and chrome wing nut for non cowl hood cars, as well as the current repo AMK chrome wingnut compared to a known GM original which appears flash plated much like GM chrome valve covers.. Notice the thumb wings on the AMK wingnut are much bigger and extend to the inside more. I have heard that 67 427/435HP Corvette studs are the same, but I just measured 2 known originals, 1 a 6,000 Mile survivour and they are both 1.422 and 1.415 from top of flange to top of stud.
As far as I know mine is original, I have owned this RSZ28 since 1973.
81  Camaro Research Group Discussion / Originality / Re: Carb Stud Length - '69 Cowl Air Cleaner on: March 11, 2013, 11:12:16 AM
I wonder if the wing nut on my original car is correct? Were all wing-nuts created equal?

No, original 6 cylinder wing nuts have a flat bottom, pretty sure I have a correct 1 for Lloyd
82  Camaro Research Group Discussion / Originality / Re: Carb Stud Length - '69 Cowl Air Cleaner on: March 10, 2013, 02:46:19 PM
In the AMK products catalog it shows the stud with part 3747933 as 1/4 20 x 1 5/8 OAL. This part number of the stud # 3747933 is listed in the cowl induction section of the AIM. This length of the stud appears to match the original engine photo of the # 3 ZL1 camaro in a book I have.

AMK studs are not correct, they are close but slightly shorter, I just got 1 for a Restoration I am doing on another 69Z, the original correct production line installed GM stud is over 2.25 and it looks goofy as it sticks through the wingnut quite a bit when the lid and filter is installed.
 I will take a picture of mine and repost Monday, my Z28 is at the shop.
83  Camaro Research Group Discussion / Originality / Re: Carb Stud Length - '69 Cowl Air Cleaner on: March 10, 2013, 09:38:08 AM
Lloyd,

The stud in the photo looks correct for a cowl hood car, however I think your wing nut is not the original, it looks to bulky in the wing thumb hold area. The wing nut should not be chrome, and the stud ( i think) is like a dull black phosphate. I had changed mine many years ago ( put a chrome lid and stud/nut off a non cowl hood car) and in going through my original kept parts for my car ( reinstalled), just came across it and the wing nut, ( as well as the lid) I will snap a picture Monday and repost it for you. 
84  Camaro Research Group Discussion / Originality / Re: RPO U17 - firewall hole size on: March 04, 2013, 03:37:28 PM
The Oil Line on a 02B Van Nuys Z28 I am restoring is just above the speedo cable retainer clip hole, and it is 1/2" diameter.
Does any one know the correct routing on the interior of the car? Does it go through the firewall mat, or between the Mat and firewall ? Also does it just loop over the heater box and slightly left of the defrost duct? or does it loop under the heater box? Car was pretty original before I took it apart, still has the GM tag on the gauge cluster, and it is ink stamped Jan 23/69  026?
 Does any one know if the low fuel warning lite socket plugs into the guage cluster and where? Thanks.
85  Camaro Research Group Discussion / Originality / Re: 1969 Z/28 motor mounts on: February 23, 2013, 11:02:47 AM
The Lucas restoration photos and others have had the drivers side mount changed sometime in the cars history, probably the engine mount recall program GM had back in 69 by GM dealers . Very common to see that type mount, the original type mounts I posted are very rare to see, especially the drivers side as it allways broke due to Engine Torque.
 When I ran the Corvette/Camaro shop we put lots of headers on and had to manipulate ( Bend) headers into proper postion lots of time. Put the car on a hoist and insert  long 2x4 trimed to fit into the collector and get someone to help you carefully pull down on the 2x4 gradually until you have the clearnce needed. You would be surprised how easily they will move. The trick is to gradually pull so as not to kink tubes or break welds. Done it lots, it works.
86  Camaro Research Group Discussion / Restoration / Re: Vigilite Light Monitoring System Fiber Optic Cable on: February 21, 2013, 01:28:30 AM
Also Big Fat Buicks/Olds etc. I think Corvette Central or Paragon offer new cables for corvettes repo -

http://www.parts123.com/parts123/yb.dll?parta~dyndetail~Z5Z5Z50000050g~Z5Z5Z513357~P195.00~~~~S3PZ035IIL96512229835a~Z5Z5Z5~Z5Z5Z50000050G
87  Camaro Research Group Discussion / Originality / Re: 1969 Z/28 motor mounts on: February 17, 2013, 05:59:10 PM
No Offence Taken., I was just clarifying. No the mount is not locking, but I do have the anti/lift/locking plate and through bolt/spacer etc. The Locking Plate is repro from Heartbeat, but the bolt and spacer are original, as are the 3 longer captive washer hold down bolts.
88  Camaro Research Group Discussion / Originality / Re: 1969 Z/28 motor mounts on: February 17, 2013, 03:06:23 PM
.. also, from the latest photos posted of a supposed-original 3939728 mount, it doesn't appear to be 'locking'.   Was that a typo in your post?  or am I missing seeing something in those photos?

It is not "supposed-original", it IS a real "ORIGINAL" Production line installed Z28 Drivers side Mount.
89  Camaro Research Group Discussion / Originality / Re: 1969 Z/28 motor mounts on: February 17, 2013, 03:02:59 PM
In the last photos posted, the 'nut' appears to be 'welded' rather than molded in.   Wouldn't a molded in nut be on the opposite side where all the rubber is located?    What is the purpose of all the rubber on the side of the mount?  the holes (for the large bolts) in that mount appear to be round, rather than oblong.   Correct?

The nut is not welded but notched into the mount, the shape of the hex part of the nut but smaller, this is the drivers side mount, the bolt goes in from the back, and Yes the holes are round in both mounts, the frame brackets have 1 bracket that is oblonged. I also have the same passenger side mount that James Posted, and the bolt goes rear to front also.
90  Camaro Research Group Discussion / Originality / Re: 1969 Z/28 motor mounts on: February 17, 2013, 02:18:17 PM
additonal view
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