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103754 Posts in 12185 Topics by 4697 Members
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16  Camaro Research Group Discussion / General Discussion / Re: valve confusion on: August 09, 2014, 11:09:12 AM
Colvin in CBTN shows the 041 was used (I assume in rare cases) as an alternative head on the Z's, and unverified as the Corvette 350/350 heads. I guess it might be possible that they could have been installed on a 350/300 by mistake (same 041 head with 1.94/1.50 valves). Depends on how long you have known the engine - possible upgrade at some point to the 2.02/1.60 valves ?

Aberrations are difficult to explain, even more difficult to verify.

Regards - 
17  Camaro Research Group Discussion / Decoding/Numbers / Re: DF wheels on: August 07, 2014, 10:09:35 PM
Are these worth a trade for a set of YH wheels? Or can they be used in place of YH's until I find a set for my 69?

There are a lot fewer DF's out there than YH's. The 15 X 6 DF wheel is nearly indistinguishable from the YH 15 X 7, unless you note the narrower trim ring, plus the derbys stick out a little farther due to the flatter offset.

Trade value should be about equal, depending on the need - some think both are made from platinum scrap. You can find desperate people in either year -

Regards -
18  Camaro Research Group Discussion / Maintenance / Re: Running Hot? on: August 07, 2014, 09:54:51 AM
My only reason for leaving the tubes in place is the 30 degree countersink under the tube - the tube seat seals that, then the flat nail head seals the top of the tube. You could always cut the tubes/nail short if you don't want to obstruct exhaust gas flow. On the other hand, as fragile as the manifold is to work with, I would not alter the tube hole itself for the risk of either damaging the manifold or not being able to reverse the alteration (like I experienced with my originals when trying to extract tapered pipe plugs from the A.I.R ports). I have worked out a lot of pipe plugs from these things, up to and including drilling out the old plugs/fittings, and lifting leftover materials out 1 thread at a time. Nothing like spending 4-5 hours doing that on an expensive, unobtanium exhaust manifold- great for relaxation and stress relief (LOL !).

Regards -
19  Camaro Research Group Discussion / Maintenance / Re: Running Hot? on: August 06, 2014, 09:49:03 PM
De-vane the pump - the rotor spins, but doesn't pump air, obviously. Block the vacuum tube for the divertor valve.

You can use roofing nails (galvanized) in the extension tubes - seals off the extension tubes, flat surface to seal on. Drop them in, tighten the tube fitting and you're all set.

My opinion - others ?

Regards -

20  Camaro Research Group Discussion / Decoding/Numbers / Re: Caveat Emptor..another on: August 05, 2014, 09:29:57 PM
Overall, the car looks good - but a lot of details that should have been attended to that would have made it even more attractive.

It amazes me that people will overlook the obvious things that don't add up - or maybe they don't care ? Five will get you 10 that whoever ends up with the car will proudly trumpet it's originality (according to the seller). Anyone notice it's the same ad text style as William's previous Caveat Emptor post ? Curious -

I like the hand stamping of the VIN above the filter - nice spacing.
21  Camaro Research Group Discussion / Decoding/Numbers / Re: Brake Booster code and date stamp on: August 04, 2014, 09:58:56 PM
Either would probably work, although they both are a ways out. Read this:

There are lot of threads devoted to boosters here - search "brake booster" and you'll see a bunch of discussions -

22  Camaro Research Group Discussion / Decoding/Numbers / Re: Brake Booster code and date stamp on: August 03, 2014, 09:20:09 PM
I would think 71-72 Nova w/ discs, which would explain a 194 of 2 Julian date. Speculation at this point -

Regards -
23  Camaro Research Group Discussion / General Discussion / Re: Caveat Emptor on: August 01, 2014, 11:35:35 PM
Same seller, 4 bids already. Someone close to PA needs to call this guy's bluff, if it is one. Looks like an offshore deal by the way the ad is set up -
24  Camaro Research Group Discussion / Originality / Re: Anco Aero Wiper Blade ID on: August 01, 2014, 04:20:06 PM
Adds weight to the previous statement - anyone have a box of GM part #3888296 laying around ? I'd sure like to see them to understand what the differences are between them and the Trico listing right below it for Camaros (other than a 1/4" of length). My old Anco 815 refills fit both Trico and Anco blades -

Regards -   
25  Camaro Research Group Discussion / Originality / Re: Anco Aero Wiper Blade ID on: August 01, 2014, 03:54:03 PM
And, if you were ever curious as to Anco being an OEM to GM, consider these :

Turns out, John W. Anderson actually invented the replaceable wiper blades in the 30's, Anco sued Trico (and was in litigation with them for 7 years in a patent infringement case) in the late 50's early 60's from what I understand. Anco is currently a division of Federal Mogul . Makes me wonder a little more if they might have been available OTC or as OE on some GM products in the late 60's -

I do believe Anco and Trico have swapped OEM status with GM over the years - whoever had the lowest bid at that bid moment, probably.
26  Camaro Research Group Discussion / Originality / Re: Anco Aero Wiper Blade ID on: August 01, 2014, 03:18:57 PM
$10 is not bad when you consider these:

I've seen them advertised for as much as $250 a pair (although you'd have to be crazy to buy them at that !)

By the way, I've seen these as early (bright polished) editions, and the matte finish late models, on Corvettes, plus the 18" blades on Mopars. They may be aftermarket, but I've seen a lot of pairs sell for large prices, plus even Classic has them advertised in the catalog as repops. Coincidental, I'm sure.
27  Camaro Research Group Discussion / Originality / Re: Anco Aero Wiper Blade ID on: July 31, 2014, 10:58:55 PM
My '69 Z was equipped with them when I bought it, as was my Z11. I have both the sets, plus several NOS sets and refills I have bought over the years. I can share any numbers and features that you want to compare - I can dredge them out this weekend. I know the blade holders have patent info on them, possibly a date code, as do the inserts. Love those Red Dots -

I asked about originality many years back from a well known Chevrolet guy - he told me in no uncertain terms that some Camaros were equipped with them (from GM), particularly Z's and SS cars. I wouldn't mind hearing opinions from our internal experts -
28  Camaro Research Group Discussion / General Discussion / Re: Shift knob on: July 31, 2014, 10:40:05 PM
I used to make sure I had gloves on in freezing weather - grabbing the T handle before the heater could warm up was a memorable experience. Both of mine (one from 1973 - on my '69 Z, the other was on my '68 Z in '96) are plain aluminum finish.
29  Camaro Research Group Discussion / General Discussion / Re: Shift knob on: July 31, 2014, 10:04:50 PM
Shoot - mine looks better, $5.00 at the local swap meet. I sold one a year ago, same shape, for $40.00 plus shipping. I know they are aftermarket; like my Hurst "T" handles, they are vintage cool to me.

The older white ones look like ivory when they acquire enough skin oil -
30  Camaro Research Group Discussion / Maintenance / Re: Running Hot? on: July 30, 2014, 09:57:55 PM

You don't have a cooling problem, you have a typical fuel percolation problem, aggravated by low E10 fuel boiling points.

Since John brought it up, let's discuss fuel for a second - any local station carry straight (non-ethanol) gas, and/or what are you running through the motor ? I would not recommend any E10 gas for any early engine, especially one that uses neoprene tipped needles in the carb, or rubber fuel lines. Like John indicates, the percolation is a problem, plus the stuff eats everything else, and has an affinity for moisture build up in the tank. Nothing draws a vacuum worse than ethanol in my opinion. Find a race gas distributor and run 100+ octane unleaded, or blend it with non-ethanol regular to stretch it.

I would, regardless, clean the cooling system completely, especially if the motor sits for a decent while without running up to operation temps regularly. Buildups are inevitable internally to the block, heads and radiator - keep them clean and they'll function accordingly.

2 cents -
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