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112258 Posts in 12899 Topics by 4935 Members
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3886  Camaro Research Group Discussion / Restoration / Re: What's the correct paint procedure for the inside lower valance? on: June 04, 2006, 02:26:33 PM
None of the exterior color-painted front sheet metal panels (hood, fenders, header, valance, fender extensions) had color on the inside; they were hung on a front end "buck" conveyor carrier in approximate car position with several inches between panels, and the valance panel outer surface faced upwards. Any color on the inside surfaces was overspray from spraying the edges. The inside surfaces were semi-gloss black flow-coat primer.
3887  Camaro Research Group Discussion / Decoding/Numbers / Re: POP question on: May 31, 2006, 11:54:10 AM
One more thing to add, V was use for the V8's at Flint in 67 and up, but the L6 engines were still stamped with F for 67, 68 and part of 69.

That's why the change was made; the L-6 engines were made at the "Flint Motor Plant" in downtown Flint, and the Flint V-8 Engine Plant's "F" prefix was changed to "V" in 1967 to eliminate confusion in warranty reporting.
3888  Camaro Research Group Discussion / Restoration / Re: 1969 z/28 connecting rods on: May 30, 2006, 11:14:54 AM
Thank you. Thanks exactly the information that I'm looking for. When I press out the pins I will measure the openings. Then
I will draw my conclusions as what to do for my restoration. How is the lubrication to the floating pins accomplished. Are they
under oil pressure or just simply splash lubrication.

Just splash lubrication - the only pressure lubrication in the crankcase is through the cam journals to the crank main and rod journals.
3889  Camaro Research Group Discussion / Restoration / Re: 1969 z/28 connecting rods on: May 29, 2006, 06:04:07 PM
Yes, as far as I know, the LT-1 rods had the "0" in the cap end of the forging. The small end I.D. of a pressed-pin rod is smaller than the I.D. of a floating-pin rod; the same piston pin diameter is used for all pistons (.9270"-.9273"), but that pin is a .0018"-.0016" interference fit in a pressed-pin rod, and is a .0001-.0008" clearance fit in the floating-pin rod. The pin hole is drilled larger in the floating-pin rod, that end of the rod is coated with copper babbitt bearing material, then it's finish-honed to the proper oversize to ensure .0001"-.0008" clearance to the pin to provide for lubrication.
3890  Camaro Research Group Discussion / Decoding/Numbers / Re: POP question on: May 29, 2006, 05:55:59 PM
The engine code shown on the P-O-P is the same as the one stamped on the engine's front pad (that's where the clerk got it who typed up the P-O-P plate), and the Flint prefix was "F" through 1966, and "V" starting in 1967. If the decoder you mention says Flint had an "F" prefix after 1966, it's wrong.
3891  Camaro Research Group Discussion / General Discussion / Re: Original panels? Sail panel seam paint crazing on: May 29, 2006, 05:52:12 PM
The natural color of freshly-ground solder is like yellowish aluminum, although the assembly plant hot phosphate treatment prior to prime in the paint shop may affect its color.
3892  Camaro Research Group Discussion / Originality / Re: 1969 Z28 302 on: May 29, 2006, 11:12:22 AM
What spec are you looking for? It had a forged crank, "pink" rods, forged 11:1 domed pistons with floating pins, 186 heads with 2.02/1.60 valves, heat-treated rocker arms, the "30-30" solid-lifter cam, a high-rise aluminum intake, and a 780CFM vacuum-secondary Holley 4053 carb.  Smiley
3893  Camaro Research Group Discussion / Decoding/Numbers / Re: POP question on: May 29, 2006, 11:05:42 AM
"V" is the correct prefix for a Flint-built engine (from '67-up; prior to '67 it was "F"); it would be "T" if it was a Tonawanda-built engine, and both engine plants supplied Camaro engines.
3894  Camaro Research Group Discussion / General Discussion / Re: Original panels? Sail panel seam paint crazing on: May 29, 2006, 10:59:15 AM
My all-original 69Z also shows some very light crazing and some show-through of tiny pits under the paint at the roof-to-quarter solder joint on the driver's side; this is quite common on original-paint cars. If you had seen the production process (open solder pots, applying it with hickory paddles and a torch, then grinding and pit-filling, all with the body moving at 70 per hour), you'd be amazed that solder joints lasted as long as they did in a joint that long.  Smiley
3895  Camaro Research Group Discussion / Mild Modifications / Re: PLEASE PLEASE HELP, NO REAR BRAKES 2 on: May 27, 2006, 07:33:50 PM
Did you bench-bleed the new master cylinder before installing it?
3896  Camaro Research Group Discussion / General Discussion / Re: 1969 camaro a/c question on: May 27, 2006, 07:14:32 PM
Do you have the Assembly Manual? LOTS of illustrations there that show what you're looking for.
3897  Camaro Research Group Discussion / Decoding/Numbers / Re: ignition coil on: May 24, 2006, 11:55:58 AM
That's probably an aftermarket replacement. "Use with external resistor" is commonly found on replacements.
3898  Camaro Research Group Discussion / Decoding/Numbers / Re: Small Block decode...what is it? on: May 24, 2006, 11:54:15 AM
I have multiple references with what I think are all of the passenger car and truck suffix codes, and don't find "XXB" anywhere; it may be a marine or industrial application (I don't have those), especially with the 3-character suffix.
3899  Camaro Research Group Discussion / Maintenance / Re: Alternator (GEN) light on when key is off. on: May 23, 2006, 10:03:12 AM
A key thing to remember is that alternators are NOT designed to charge a dead battery - their job is to maintain the correct state of charge. If you're dealing with a dead battery, you're better off to bring it up with a charger first.
3900  Camaro Research Group Discussion / Originality / Re: Original inspection paint marks on underbody on: May 23, 2006, 09:51:55 AM
So the early paint markings essentially meant nothing? There was no "paint code" to indentify parts or their location on the car? If I understand you correctly, the paint marks meant the components had merely passed Rockwell hardness standards and were approved for the assembly line, and were randomly marked with varying colors of paint. Thanks!

Yup, that about covers it.
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