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106451 Posts in 12410 Topics by 4786 Members
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61  Camaro Research Group Discussion / Decoding/Numbers / Re: 1967 RS on: September 02, 2014, 09:34:13 AM
OK,,no to Tach. and Gauges on the P.O.P., but think it would be on the Trim Tag.

Cowl tag only had information that was meaningful to Fisher Body, and nobody on the Chevrolet side paid any attention to the cowl tag; tach and gauges were installed by Chevrolet.
62  Camaro Research Group Discussion / General Discussion / Re: 69 Z/28 X77 garage/barn find on: September 02, 2014, 09:22:38 AM
Original Cam cast #3849347,  part #3849346

Couple of questions: 
1)  Couldn't find a part number stamped anywhere, is there and did I overlook it ?   
2)  Like the crank, a yellow paint band brushed around it, why did GM do this ?
3)  The 3 bolts marked "N" on the heads look original.  I know GM used several suppliers, so is there a list of all possible bolts GM used during assembly on all parts ?

1. You won't find a part number - only the core casting number (which was unique to each Chevy camshaft, to minimize required machining).

2. Painted band was for quick in-process identification (vs. reading the casting number).

3. Various Corvette publications and NCRS Judging Guides call out the most common expected headmarks to be seen on each fastener application. For Camaros, do you have Jerry MacNeish's book?
63  Camaro Research Group Discussion / General Discussion / Re: My New '68 Camaro Z/28 Butternut Yellow on: September 01, 2014, 09:15:45 AM
Remember that when you set the cam and crank gears "dot-to-dot" to install the timing chain, the engine is at TDC on the compression stroke for Number 6 cylinder; in order to set it at TDC on the compression stroke for Cylinder #1, you need to turn the crank one full turn so both dots are at 12 o'clock. Then you can install the distributor with the rotor pointing at the #1 wire tower in the cap, and it'll run.  Smiley
64  Camaro Research Group Discussion / Restoration / Re: Motor mounts on: August 31, 2014, 10:00:18 AM
The correct usages for frame brackets and engine mounts are shown here:

http://www.camaros.org/engine.shtml#EngineMounting
65  Camaro Research Group Discussion / General Discussion / Re: 69 Z/28 X77 garage/barn find on: August 30, 2014, 09:26:44 AM
There's 3 ridge like lines down the hose with no other markings.  Was this a common GM type hose or did they usually have a p/n printed on them ?

 As to the hose....I have my original 1968 hose and it doesn't have any ridges, it's smooth,.  The ridges could be a '69 thing though.

The ridges/grooves (as with all Chevrolet hoses) identified the supplier; there could be several different patterns/configurations depending on time of the year, plant location, etc.
66  Camaro Research Group Discussion / Maintenance / Re: Timing out of wack on: August 29, 2014, 11:04:30 AM
<< I fixed that and got the initial to 10, but I had to really bring up the idle. >>

Is your vacuum advance working (adding 15* at idle) and is it connected to a full manifold vacuum source, or to the stock "ported" vacuum source?
67  Camaro Research Group Discussion / Originality / Re: Condensation wicks in tail light housing on: August 27, 2014, 10:37:15 AM
Good info.   Anyone know where you can purchase these? ......or are most of you making these from scratch.

Paragon has them - $5.00 for (4) wicks.
68  Camaro Research Group Discussion / Originality / Re: Amazing 69 Z/28 Survivor on: August 27, 2014, 10:26:07 AM
Go to your Assembly Manual, section Z28, sheet A5, item #6 PCV hose - it says "prod. clamp" at both ends. That refers to the standard V-8 in UPC 6, sheet C8, item #8, which is the black spring clamp, used at both ends of the PCV hose. The clamp is correct - no clamp is not.
69  Camaro Research Group Discussion / General Discussion / Re: Distributor Questions.. on: August 27, 2014, 10:00:15 AM
<< And no matter what, using the center line off my intake: #1 wire goes driver side,#8 passenger way. (centerline up the cap) May take a little more effort but with timing set #1 terminal is inline with #1 piston. Probably just a pet peeve, but this is the way I was brought up doing it. LOL! >>

That misprint in the shop manuals (and Chilton and Haynes) has confused many a mechanic over the years. It was supposed to read "...rotor pointing to the #1 wire tower in the cap..", not "..rotor pointing to the #1 cylinder..".  The correct distributor housing/vacuum advance orientation and plug wire indexing in the cap is shown below, with the point adjusting window on centerline; that's the way the car was designed.
70  Camaro Research Group Discussion / Maintenance / Re: Timing out of wack on: August 26, 2014, 10:04:26 AM
On a '68, the timing index line on the balancer outer ring will be exactly in line with the keyway (that relationship didn't change until '69, with the new alternator-on-the-right accessory drive system). First thing I'd do is to verify true #1 TDC firing position - get a piston stop tool and mark the true TDC on the balancer outer ring.

The engine will NOT run at 75* advance - that's not what you have.
71  Camaro Research Group Discussion / Originality / Re: Were different vendors used for wheel hubs on: August 26, 2014, 09:51:54 AM
'68 with front disc brakes. Were different vendors used for the hubs? Both have GM bolts attaching the rotors but the head markings are different and one hub is machined around the od on the seal side. I thought one might have been replaced but then the bolts for the rotors should been the same on both sides.

Original front hubs were made in-house by Chevrolet.
72  Camaro Research Group Discussion / Originality / Re: Condensation wicks in tail light housing on: August 26, 2014, 09:40:15 AM
'63-'67 Corvettes also used the "wicks" in the bottom of the taillight lenses, with die-cast housings.
73  Camaro Research Group Discussion / Decoding/Numbers / Re: Help determining 67 4P scenario on: August 26, 2014, 09:29:45 AM
A BB had a larger 3/8" fuel line ID and an offset for the transmission cross member mounting bolts.

Mike

All V-8's used the 3/8" fuel line.
74  Camaro Research Group Discussion / Originality / Re: 69 coupe window outer weatherstrip/fuzzies on: August 24, 2014, 11:27:57 AM
Bailey was the original production supplier for door and 1/4-window fuzzies - in the plant they were called "Baileys". The other supplier was USM (United Shoe Machinery, Inc.).
75  Camaro Research Group Discussion / Originality / Re: vaccum hose connection on: August 21, 2014, 11:27:41 AM

No 1st-Gen Camaro had EGR, but the L-78 had a clip for the PCV hose that mounted under the right front carb nut.

John,
Did the PVC Hose bracket come on a 69 Z28 also.
[/quote]

Nope - it was only used on the L-78.
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