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#11

1968 - Orphans / Re: 1968 302 MO Engine 18L3361...

Last post by SandSStClaire - August 22, 2026, 01:56:42 PM

What is the block casting date?

Is it just a bare block?

The block casting date is March 13, 1968

The partial vin number was a misprint. It should be 18L336199.

No it's not just the block. I have the crank pistons and rods, and also a set of camel hump heads with the correct casting number but the date code is off a couple months.

#12

1967 - Orphans / Re: 7N221941 block V0426MS

Last post by bcmiller - August 22, 2026, 11:43:17 AM

Block casting number 3892657
Heads 3890462 dates C 2 7 and D 20 7

#13

1967 - Orphans / 7N221941 block V0426MS

Last post by bcmiller - August 22, 2026, 11:39:56 AM

It is located in Poland. Owner Andrzej Idkowiak. Block is posted in Facebook group Lost classic cars and  parts orphan group

#14

General Discussion / Re: 1969 Camaro Z28 brake prop...

Last post by David K - August 21, 2026, 03:11:29 PM

Well, I get to be right every once in a while-reply #2. The hose typically fails internally and just blocks off all fluid flow. Is all good?

#15

General Discussion / Re: Tag or Masking or Trash?

Last post by Shiny - August 21, 2026, 10:37:18 AM

Here is the article you remembered that mentioned the 3 minute water test in the "Trim Shop Operations" section:

https://www.camaros.org/assemblyprocess.shtml

I am grateful for this site and help.  My car is not worthy of restoration but has been a great learning vehicle (pun intended) about the engineering and manufacturing back then.  I'm constantly amazed by the design and manufacturing that went into GM's products and as a retired engineer, I miss the days of vertically integrated product development and manufacturing.

Thanks again,

Mike

#16

General Discussion / Re: Tag or Masking or Trash?

Last post by Shiny - August 21, 2026, 10:16:16 AM

Didn't Kurt mention that Fisher body would mask penetrations prior to checking for leaks during the water test before final assembly?

Awesome, thank you!  This is exactly what I was looking for.  Seems the general topic received some mileage here in restoration threads.  This thread even mentions the fuel sender, which makes me declare this explanation a winner!  https://www.camaros.org/forum/index.php?topic=17154.0

I will search the site for the more general water/leak test description.

Thank you for having a great memory and taking the time to reply!

Mike

#17

General Discussion / Re: Tag or Masking or Trash?

Last post by 1968RallySport - August 20, 2026, 08:44:55 PM

Didn't Kurt mention that Fisher body would mask penetrations prior to checking for leaks during the water test before final assembly?

#18

1968 - Orphans / Re: 1968 302 on Facebook Marke...

Last post by FRANKTHECRANK - August 20, 2026, 02:13:07 PM

I figured if someone was interested, (I was not because of the date casting number), I'd post the link to the ad so they could at least know about it, and find out if the engine was theirs. Yes, my original post did only have limited value, but I felt it had "some" value to someone looking for a March built 302. Did the seller give you info on the other MO block?

Edit...I just noticed you mentioned the other block in another thread.   18N418651 V0417MO

#19

Originality / Re: Fastener Needing Identific...

Last post by fsc66 - August 20, 2026, 11:31:35 AM

Agree, most of the google image matches show aviation related:

https://www.google.com/search?vsrid=CIOO5ePUnsrUFxACGAEiJGMzY2Q0Mzk5LTZjNjItNDcyOC1iZmYxLTNlOTM1MzI4MjE5NzKCASICbm4oHUJ0Ci5sZmUtZHVtbXk6ZTc4NGU0NGUtODY1Ni00YzAzLWI1MzktNWRhOTI4NThkY2RmEkIKQC9ibnMvbm4vYm9yZy9ubi9ibnMvbGVucy1mcm9udGVuZC1hcGkvcHJvZC5sZW5zLWZyb250ZW5kLWFwaS8xMDBaBAoCbm44kJyuttCvlgM&vsint=CAIqDAoCCAcSAggKGAEgATojChYNAAAAPxUAAAA_HQAAgD8lAACAPzABEMkFGLYHJQAAgD8&udm=26&lns_mode=un&source=lns.web.gsbubb&vsdim=713,950&gsessionid=WjllxSi6-k9stsh9zYuCOPoNnNpjM6V4f4pdS3f5ltuWgH5uTapnEg&lsessionid=r1iA3Ur4nLuJppHu-M8NctjlcAhTQuNFS6-Lyn_qzAfBrqBkrQr7bg&lns_surface=26&authuser=0&lns_vfs=e&qsubts=1787243513596&biw=1388&bih=753&hl=en

#20

General Discussion / Tag or Masking or Trash?

Last post by Shiny - August 20, 2026, 10:03:20 AM

Forgive the non-Camaro post but I stumbled on this site when searching for Fisher Body manufacturing details.

I recently found remnants of paper trapped under grommets.  The holes look like they were die cut or possibly from a "punch-through" installation.

Do these look like some type of ID tag, masking material left by Fisher Body, or random trash?

1970 LeMans assembled in Pontiac.  Paper was under adjacent grommets into trunk for fuel gauge wire and rear license plate lamp.  The grommet for the gas vent has been out before so not sure if it also had paper.

If this is "factory" residue, I'd love to see examples of the original tag or masking operation.  Any photos of similar observations would also be interesting.

Thanks and what a great repository you have created!

Mike