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Messages - CantRepeat

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Restoration / Re: Rust on exhaust manifolds
« on: June 23, 2022, 07:17:58 PM »
Muriatic acid is a diluted form of hydrochloric acid, but still pretty nasty stuff.  Evaporust is much less caustic and easier to work with, and eventually dispose of.  You can get creative and use a heavy duty plastic bag and ties for large parts, to minimize the amount of Evaporust needed.

Electrolysis is another option for rust removal, probably cheaper but takes a little longer and some additional supplies.  I've used this on pieces with real heavy rust.

I have a plastic 55gal drum set up for this purpose using this method. It works great!! I've used it on a lot of Lodge cast iron pots and pans.

Decoding/Numbers / Re: Caveat Emptor...tag swap?
« on: May 14, 2022, 12:23:33 PM »
At least the car is listed as a tribute. VIN tag and dash look ok, the body tag is an X11, hopefully the seller was not stupid enough to mess with the VIN tag. My X77 is an 01C, VIN sequence is in the 585xxx range -

Amazing how the wheels on this car detract from the overall appearance - really cheapen it IMO.


I'm hoping that's a direct result of them being called out on all the other ones they try to pass off as authentic.

When I build my motor with the solid roller CS XR274 R-10 series #12-770-8 from Comp Cams.  I mocked up the build, included a cam button, and tested the fore and aft movement of the cam in the block. The original sheet metal timing chain cover has a fair amount of flex.  The helix angle on distributor gear tends to push the cam forward, so the concern was the stock cover would not limit the cam movement to the recommended 0.008" - 0.012" by Comp Cams. I also invested a fair amount in the valve train as long as it fit under the stock valve covers.  I have been very pleased with the cam.

What rocker arms did you go with?

Decoding/Numbers / Re: Anything avail on this vin
« on: April 18, 2022, 01:38:46 PM »
You should probably post the actual VIN number rather then a link to a sales page with the VIN on it. It may help get you some information.


This isn't a dig. It's just that when ever these kinds of post come up they get little help and probably worse help if someone else has to do work for you.

Good luck.

Mild Modifications / Re: m-21
« on: April 17, 2022, 10:56:00 AM »
Not only are there more than one... there are adapters which change the speed as well. There was never a 3.42 available with the 69Z you are going to have to figure out your current speed using someone pacing you then convert to how much slower/faster you need the driven gear to be spinning. 

One thing to note - If your tire height is not the same as OE (approx 26") then you are already off.

Could just install a GPS speed app on your phone to get accurate speed and use that for your calculations.

The 3909124 sheet shown by NoYooper is for a 67-68 coupe, not a convertible.



All of the convertibles had the spare mounted to the lower right hand side of the trunk and not up against the back like the coupes, correct?

Decoding/Numbers / Re: Caveat Emptor...tag swap?
« on: March 22, 2022, 12:13:03 PM »
It's a beautiful car, although not my style.

That said, they could have just left it off and it wouldn't have hurt the value. Dealers, lol.

Originality / Re: 1967 L78 Window Sticker Analysis
« on: March 18, 2022, 12:28:57 PM »
Took a good look at the firewall just to right of the vehicle center line(left of center from the photo perspective).  Looks like a cowl plenum cut out similar to what was available for the Z28's.  Or are my seasoned citizen eyes in error?
Can't say I've ever seen one on a big block other than my buddy's '68 that he bought as a roller about 20 years ago.  When he restored the car he made it functional.

I see the hole but isn't it too small and in the wrong location to be factory?

Decoding/Numbers / Re: Real or Fake Z28
« on: March 15, 2022, 12:21:53 PM »

So, even without Jerry's blessing, I have torn this thing apart looking for any evidence of fakeness and find no reason to believe it's not the real deal, with all date coding between late Aug and early Oct and all VIN's matching. If it's a fake, somebody went to a huge amount of time and effort to make things match, well over the value of the car (which luckily I got for well under what the guy paid at auction).

Just my two-cent's worth...

People do that all the time and than sell them for way more than the parts are worth.

Restoration / Re: Can seat tracks be disassembled ???
« on: March 11, 2022, 05:02:25 PM »
When I was rebuilding mine I could not get them fully disassembled. There seem to be a piece of the track bent in to keep them from coming completely apart.

That said, I cleaned them with paint thinner, brake cleaner and paint brush. After that I sprayed the bearings with white lithium grease.

1969 - Orphans / 19N654291 Muncie
« on: February 28, 2022, 08:56:38 AM »

Decoding/Numbers / Re: 1969 COPO cowl tag
« on: February 22, 2022, 01:06:01 PM »
Agreed, anything less than 100% is unacceptable when it comes to ebay car sales.

Decoding/Numbers / Re: Caveat Emptor...tag swap?
« on: February 20, 2022, 06:25:53 PM »
Most of these stealships know the tags, engine stamps etc are fake but don't care one bit and sell them as if they are factory.

Trans-Am Camaros / Re: Lost foam Boss intake manifold casting.
« on: February 13, 2022, 12:19:41 PM »
Very, very cool!!

Decoding/Numbers / Re: Caveat Emptor...flaky tags?
« on: January 27, 2022, 01:02:00 PM »
Did they actually weld the convertible cross brace to the floor pan?

And who doesn't like ample use of zip ties? I mean fastening brake lines to axles with zip ties is proof of superior craftsmanship!

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