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107564 Posts in 12508 Topics by 4812 Members
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4036  Camaro Research Group Discussion / Maintenance / Re: Rebuilt motor tuneup on: January 25, 2006, 09:54:23 PM
Does the distributor have vacuum advance? If so, initial timing is set with it disconnected and plugged. If you don't hear any valvetrain sounds, the valves aren't lashed correctly - if you drive it like that, you'll burn the valves. Click on the box at the top of the page labeled "CRG Reports" and go to the Research Report on adjusting valves with the "30-30" cam. Most 302's only pull about 9"-10" Hg. vacuum at a 900 rpm idle - it's characteristic of that cam.
4037  Camaro Research Group Discussion / Restoration / Re: Repop spiral shock absorbers on: January 25, 2006, 09:45:35 PM
Thanks Kurt. I didn't know they were not for use on the road. Any comments on having used originals rebuilt by Apple Hydraulics?

Never heard of anyone rebulding monotube shocks, but I know Apple rebuilds the old lever-arm Armstrong and Houdialle shocks - different animals.
4038  Camaro Research Group Discussion / General Discussion / Re: 2657 block on: January 25, 2006, 09:36:39 PM
I know it was only used in Corvettes in 1967 - I'm out of town this week and don't have my references handy for any other usages.
4039  Camaro Research Group Discussion / General Discussion / Re: 1968 Z-28 on: January 24, 2006, 07:27:05 PM
'67 was small-journal, '68-'69 were large-journal.  Smiley
4040  Camaro Research Group Discussion / Maintenance / Re: ROUND PROPORTIONING VALVE/FRONT BRAKE BLEEDING 69 Z28 on: January 24, 2006, 11:58:45 AM
I haven't had a bleed issue with mine, but I know the valve isn't working; on the first few brake applications when taking the car out, even with light pedal pressure, the car "stands on its nose" instantly, so it's getting front brakes first big-time before the rears come into play. I either need to replace the valve or rebuild it before spring comes, so I'd be interested in how the rebuild kit works out.  Smiley
4041  Camaro Research Group Discussion / Restoration / Re: X11 Question on: January 24, 2006, 11:52:49 AM
Chuck, you have mail.  Smiley
4042  Camaro Research Group Discussion / Originality / Re: 68 SS Hubcaps on: January 24, 2006, 11:41:01 AM
Brochure photos were taken well ahead of production launch, and used all manner of cars - shined-up prototypes and development cars, Pilot cars, auto show cars, and anything that was available at the time, and many of the photos were airbrushed/modified (or not) to represent what was thought at the time to be the production configuration, which frequently changed. I wouldn't put a lot of faith in early brochure photos as an indicator of what was actually built later.
4043  Camaro Research Group Discussion / Originality / Re: 68 Console Gauges on: January 20, 2006, 11:23:49 AM
The gauge surround bezel is black regardless of interior color.
4044  Camaro Research Group Discussion / General Discussion / Re: 1968 Z-28 on: January 20, 2006, 11:15:23 AM
It probably got a 327 as a replacement because they were very common, inexpensive, and plentiful (millions of them were made). "Real" '68 302's are difficult to find, although thousands have been "created"; there's nothing special about the block, but the 3"-stroke large-journal cranks are hard to find.
4045  Camaro Research Group Discussion / Originality / Re: Cruise control? on: January 19, 2006, 01:25:30 PM
Nope, it wasn't available from the factory - only as a dealer-installed accessory.
4046  Camaro Research Group Discussion / Maintenance / Re: What octane should I put in my '68 ?? on: January 16, 2006, 11:19:14 AM
91 octane should work fine. Your friend's advice is well-meaning, but he's misinformed; retarding timing will just make it run hotter. Make sure your vacuum advance can is working, and it's connected to full manifold vacuum, not "ported" vacuum, so it's fully-deployed at idle, for idle stability and good idle cooling. Don't "top off" the radiator - it'll just keep "puking" the excess coolant; the radiator must allow space for coolant expansion, which is why there's a "full cold" mark on the side tank about 3" down from the radiator cap. When it doesn't "puke" any more, leave it alone - that's its "happy level". Running colder plugs will just make it more likely to foul plugs around town; for normal driving, AC 45's or equivalent heat range in other plugs works fine - 43's or 44's will usually foul in around-town driving. Forget the additives - they don't do anything but eat the plating off the inside of your float bowl, and you don't need them unless you're pulling a trailer all day long at 100 mph.
4047  Camaro Research Group Discussion / Restoration / Re: Front Sheet Metal Paint/Assembly Sequence on: January 16, 2006, 11:07:56 AM
Doors first! Establishing the gap/flush to the quarter and rocker is critical to the eventual fit of the fenders. Remember to fit the rear of the door a tad high to the quarter to compensate for the later added weight of the door glass, hardware, and trim.  Smiley
4048  Camaro Research Group Discussion / Restoration / Re: Front Sheet Metal Paint/Assembly Sequence on: January 15, 2006, 12:05:16 PM

Also, if the fenders are painted off the car, should the inner fenderwells be bolted to the fenders prior to installing them?  I did a test install of the fenderwells first, then the fenders and it was a little tricky getting the fenders mounted.  I wonder how it was done at the factory.

After the fenders were painted body color and conveyed to the sheet metal assembly area, the inner fenders (which had previously been black dip-primed) were attached to the fenders, then the front sheet metal was assembled (fenders, header, rad support, center hood latch support, headlights, horns, etc.). The hood was installed after the front sheet metal was assembled to the body.
4049  Camaro Research Group Discussion / General Discussion / Re: 2009 Camaro Pictures on: January 15, 2006, 11:51:13 AM
The dealer is trying to "impress you" - the dealers know absolutely nothing about the car, it's not an approved program, no objectives, dates or prices have been set, and it's simply a concept at this point to gauge public reaction.  Smiley
4050  Camaro Research Group Discussion / Restoration / Re: Breaking in a motor on: January 14, 2006, 12:33:27 PM
Treat it reasonably well for the first couple of hundred miles, with varying speeds and loads, avoiding long stretches of constant high speed like freeway travel. Assuming you changed the oil and filter after first-fire and cam break-in, change it again after 100 miles, then at 500 miles, then at normal change intervals. With true 1.5 rockers, lash it at .030".  Smiley
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