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109331 Posts in 12659 Topics by 4866 Members
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3706  Camaro Research Group Discussion / Decoding/Numbers / Re: What the heck is this stamping on: September 06, 2006, 03:39:15 PM
Those stampings are called "Fisher Body Run Numbers", which identify the stamping plant and the week of production. The stamps were an insert in the bottom of the upper (female) 1st-stage draw die, and also served as a proof mark that the draw die had fully bottomed-out.
3707  Camaro Research Group Discussion / Mild Modifications / Re: Replace Powerglide with a 4 speed Muncie on: September 04, 2006, 09:10:28 AM
That's the engine mount frame bracket - look closely and you should see a small hole in the flange that overhangs the rear edge of the crossmember.
3708  Camaro Research Group Discussion / Originality / Re: PTB stamps on: September 03, 2006, 09:26:21 AM
Mine are directly below the cowl tag - the "P" and "B" are almost gone, but the "T" is still visible.
3709  Camaro Research Group Discussion / Restoration / Re: Camaro Restoration Guru's on: September 02, 2006, 01:54:29 PM
The body broadcast IS the build sheet.
3710  Camaro Research Group Discussion / Originality / Re: PTB stamps on: September 02, 2006, 01:51:37 PM
Only Norwood cars had them; my original 02D car has them on the driver's side.
3711  Camaro Research Group Discussion / Decoding/Numbers / Re: 1111480 distributor on: September 02, 2006, 01:47:51 PM
The only usages I show for the 1112000 are for '70 402/350hp automatic and '70 402/375hp manual.
3712  Camaro Research Group Discussion / Restoration / Re: Camaro Restoration Guru's on: September 01, 2006, 09:49:30 AM
If you go to the top of the page and navigate through the boxes, you'll find more Camaro restoration information here than you'll find anywhere else, without having to ask questions and wait for answers; it's all here.  Smiley
3713  Camaro Research Group Discussion / Decoding/Numbers / Re: trim rings for rally wheels on: September 01, 2006, 09:41:59 AM
Those are 15x7 70's Monte Carlo rally wheels, also used on some full-size station wagons.
3714  Camaro Research Group Discussion / Maintenance / Re: Temperature sensor in engine block on: August 30, 2006, 11:12:48 AM
There aren't any temp sensors in the engine block - only in the cylinder head or intake manifold. You need to drain enough coolant to get the level below that of the sensor before removing the sensor or you'll have a real mess to clean up.
3715  Camaro Research Group Discussion / General Discussion / Re: 69 Z28 Question on: August 29, 2006, 12:31:16 PM
On other more sure way to see if the "Z28" is real and if it has not been totally restored, is to look for paint pin letters on the rear bulk head sheet metal, behind the back seat and under the card board panel and rear package tray that seals the trunk area from the interior. Many RS Z28's will be marked "X3" for the X33 option code and standard non-RS Z28's will be marked with "X7" for the "X77" base Z28 model. This is a though one to check out without taking the car apart and potentially upsetting the owner. If the car has been totally restored, pictures of these markings may be available to see.

The "X3" (X33) and "X7" (X77) don't relate to RS or non-RS; they relate to the presence/absence of the exterior Z21 Style Trim Group - X33 cars had it, X77 cars didn't.
3716  Camaro Research Group Discussion / Research Topics & Reports / Re: 68 RS center grille on: August 27, 2006, 08:00:03 PM
Many parts listed by Service were "functional replacements" or "functional equivalents" which would service the application adequately, but were not the same in appearance as the original production part; conversely, many Service parts were the original production parts, but carried a different part number in the parts book because they came in a box with an instruction sheet and/or attaching parts, thus requiring a different part number for the "unit" that was comprised of several parts. You have to know what you're looking for and understand that the Service part isn't necessarily the same as the production part.
3717  Camaro Research Group Discussion / Originality / Re: heater core assembly ??? on: August 22, 2006, 10:10:13 AM
  I was of the impression the firewall pad went between the heater box and the firewall and thats what sealed the area you place the caulk in pic# 4 ?

That's correct - the dash mat went on first, and served as the seal between the front of the heater box and the inside of the firewall.
3718  Camaro Research Group Discussion / Decoding/Numbers / Re: Question 386 block on: August 21, 2006, 09:40:25 AM
I get confused myself about the various combinations of frame brackets and mounts for different small-block engines, and can never remember it - I usually wait for William to chime in and explain it. I don't know why they're different, unless it has something to do with clearance to the front stabilizer bar with 7" vs. 8" balancers.

The extra six main cap bolt holes in 4-bolt blocks were drilled and tapped in the main block machining transfer line, but those six holes were done in a separate station in the line; there wasn't room for the six 4-bolt tool-head spindles next to the 2-bolt hole spindles. The 4-bolt blocks were easily detected after that station by automatic probes in subsequent stations - no manual intervention was required. There was no difference at all in the block casting between 4-bolt and 2-bolt blocks - some got ten main cap holes drilled/tapped, some got sixteen.
3719  Camaro Research Group Discussion / Decoding/Numbers / Re: COPO? on: August 19, 2006, 07:32:28 PM
Oops - missed the "RS" item in the first post.  Undecided
3720  Camaro Research Group Discussion / General Discussion / Re: History of this site on: August 19, 2006, 07:25:08 PM
Bill, check out this link for CRG history and current members:

John Hinckley
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