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106504 Posts in 12421 Topics by 4787 Members
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616  Camaro Research Group Discussion / Originality / Re: 1969 Z/28 proportioning valve on: January 08, 2007, 04:25:14 PM
I have a 10B 69 Z with no proportioning valve. I replaced orginal brake lines myself, and there was and is no valve under the front seat. Who says they all had the valve? Probably the same ones who say they all had tachs and guage package!! And that they never made a Rally Sport Z!! And that there was another gunman on the grassy knoll!!!

Jimmy V.
617  Camaro Research Group Discussion / Decoding/Numbers / Re: Do these 302 DZ Block Numbers make Sense? on: December 27, 2006, 11:56:58 AM
Is it 4 bolt main? Wouldn't that qualify it as 69 model year? Or could that have been modified/added? 68 was 2 bolt correct?

Jimmy V.
618  Camaro Research Group Discussion / Originality / Markings on factory orignal Camaros on: December 27, 2006, 11:49:42 AM
I am starting to see "restored" Camaros with all kinds of paint and chalk markings on tihings like front suspension, rear leaf springs, and a "DZ" chalk mark on a 69 Z Cylinder head. Were all of these markings on original cars? And if they were, does somebody have pic's of orginal cars, or just how do we know this?

Jimmy V.
619  Camaro Research Group Discussion / Originality / Fender striping on Rally Sport z's on: November 30, 2006, 04:45:18 PM
Did Rally sport Z's come with the striping on the front fenders and rear quarters? Or was this deleted with the rally sport package?


Jimmy V.
620  Camaro Research Group Discussion / General Discussion / "Rotisserie Restoration" on: November 30, 2006, 09:50:20 AM
I am constantly seeing the term "Rotisserie Restoration" cars for sale ads. What does this mean? Do they mount the car and rotate it like on a barbecue grill? Or does it really mean: This car is for sale by a dealer?

Jimmy V.
621  Camaro Research Group Discussion / General Discussion / Re: Crossram and exhaust manifolds anyone????? on: November 29, 2006, 09:12:02 AM
Hello pluml78,

Just curious - what rear axle ratio are you using?

Jimmy V.
622  Camaro Research Group Discussion / Originality / X77 Cars on: November 14, 2006, 08:32:07 AM
Would an X77 coded Z/28 have the following:

Rear Quarter louvers
Chrome wheel well moldings
Chrome roof drip rails

I was under the impression that these items came with X33 Cars. Otherwise, these areas are painted only.  It just seems that every car I see on E Bay has all or most of these, and I'm wondering if everybody is adding them... sort of like cowl hoods.

Jimmy V.

623  Camaro Research Group Discussion / Originality / Re: 69 Z28 motor / trans authentication on: November 06, 2006, 04:19:35 PM
VIN stamp should be on both engine and trans if they are original to car. On trans, VIN stamp is right next to build date code.

Jimmy V.
624  Camaro Research Group Discussion / Maintenance / Re: 750 CFM Edlebrock on: November 06, 2006, 04:14:17 PM
What are the throttle bore diameters for the 600 and the 750? The larger the bore, the more air which the carb can flow. The trade off is that that same larger diameter bore will result in slower air velocity (speed). Thus it takes more time for the mixture to go from carb to cylinder. This is where throttle response can suffer. Air speed is why a carb is a 4 small barrels, not 1 large barrel. If your house has a ceiling fan in the attic, you can demonstrate to yourself the air speed effect of different size openings. Close all the windows in the house except one, and open this window slightly while turning on the ceiling fan. Feel the incoming air moving thru the opening and then open the window further and feel the speed of the incoming air decrease as the opening size increases.

Jimmy V.
625  Camaro Research Group Discussion / Maintenance / Re: Fuel Lead Additive on: November 03, 2006, 12:24:47 PM
I agree that additive is not required. Have 69 Z with 11:1 pistons, and have not had problems running unleaded premium. No valve problems after 24 years and 16,000 miles.

Jimmy V.
626  Camaro Research Group Discussion / Originality / Re: AD or YH wheels on: November 03, 2006, 12:18:32 PM
My car has Vinyl Top, and has been re-painted once, so I don't think I'm a good reference.

Jimmy V.
627  Camaro Research Group Discussion / Originality / Re: AD or YH wheels on: November 02, 2006, 09:07:25 AM
Factory installed "short" spoiler. Norwood car. Car sits now about 5 miles from site of Norwood plant where it was built in 1968

Jimmy V.
628  Camaro Research Group Discussion / General Discussion / Re: Car show judging on: October 31, 2006, 03:12:46 PM

Nice looking engine. It's a winner in my book.

Jimmy V.
629  Camaro Research Group Discussion / Originality / Re: AD or YH wheels on: October 30, 2006, 12:07:34 PM
My Oct 68 built Z is missing the original AD Wheels; I figure finding a set to match my car would be like finding a needle in a haystack!
They would probably be manuf in Sept 68, and on or about the same date. I currently have a set of  14x7 YJ wheels on the car, and 4 of the 5 have identical manuf date. (spare was different) Story is wheels were traded by original owner with another Camaro owner. Makes sense.

Jimmy V.

630  Camaro Research Group Discussion / General Discussion / Re: Car show judging on: October 30, 2006, 11:50:11 AM
Car shows..... I have a real 69 Z/28, and every car show I've been to seems always have an "original" 69 COPO 427 or a pace car.
They'll win every time over a measly 69 Z.  Having been around in 69, I know how unusual Z's were to see. You'd seem them from time to time, but they were rare enough that you usually would remember them. I don't know if I ever saw a 67 Z back then; With a total production of 600 something, it isn't likely. I do remember seeing one 69 Firebird Trans Am when it was new back in 69 (production 600 something); it was white/blue with spoilers and fender flares, etc. I have never seen another one since, even at car shows. Yet it seems every car show these days has COPO's, Yenko's, ZL-1's etc. How'd that happen?

Jimmy V.
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