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Messages - Hans L

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Restoration / Re: So Cal/San Diego Upholstery Shop Recommendation
« on: October 12, 2018, 03:23:59 PM »
I've used Jim's Auto Upholstery in Kearny Mesa quite a few times for my Chevelle and other cars.  They do a lot of classic cars.   Good reputation.  But as with any vendor, just be very clear on expectations.

Decoding/Numbers / Re: '68 RS Convert - What is this engine code??
« on: July 20, 2018, 03:18:40 PM »
Not a great picture, but it looks reasonable.

Thanks again Kurt.  I've asked the current owner if he can contact the prior owner to retrieve whatever paper work they may have.  The prior owner has claimed he has more documentation....we'll see if any more revealing comes about. 

Decoding/Numbers / Re: '68 RS Convert - What is this engine code??
« on: July 19, 2018, 03:40:26 PM »
Thanks Kurt.   So do you think the engine stamps are legit? 

Agree much of the car has been changed or restored - even the quarter panels were replaced at some time.

Decoding/Numbers / '68 RS Convert - What is this engine code??
« on: July 18, 2018, 10:49:30 PM »
Saw this '68 RS Convert on Barnfinds.   It's also listed on Craigslist in Texas.    While much is wrong or overstated/incorrect with the car, I can't figure out this engine stamp suffix - the M1 or MI.  Is the partial VIN a re-stamp, or what is going on here?    I can't find that M1 suffix code anywhere (I checked CRG, Colvin, etc).

I've called the owner and he read the VIN # and it's ...8N448565 which appears to match the partial VIN on the engine pad (assuming what appears to be a 0 is really a 6 - which if you blow up the image, it does appear to be a 6).   But what is the suffix M1?

Originality / Re: Rear Axle Brake Line Clip PN# 3956700
« on: July 12, 2018, 05:16:33 PM »
Nice!   What sort of finish did you apply to the clip?

Restoration / Re: 1969 Z/28 Radiator Core - Source?
« on: July 06, 2018, 05:28:07 PM »
Lloyd -

Thanks for the detailed pics - very helpful.    I compared to my re-cored rad and I'd say very very close.  In case you need another source, I used Intermountain out of Poway, CA, now called BNCautoradiator:, my job Ref # 42217.  They may be able to tell you where they sourced the radiator core. 

They also pressure-tested the heater core and verified it was good to go.

Here's how the radiator turned out:


Restoration / Re: 1969 Z/28 Radiator Core - Source?
« on: July 05, 2018, 05:40:03 PM »
In 2013 there were sources for 'reproduction 69 Z28 radiator cores', but like every other 'reproduction' part, there are always differences from original.   At that time, the difference was in the top/bottom rails (repros did not have the square holes as did the originals).
Note:  re the comment on 'oe style fins'...  I assume he means the fin pitch, which on my original was between 12-14 fins/inch... and is matched on the repro core.

Yes reproduction channels were wrong on the repro rad's - I remember that now, which lead me to the path I went down.  The HBC reproduction top and bottom channels do have the square holes - used on the assembly line I think.

Confirmed the core I have has 12-13 fins/inch.   I can go through my receipts as well if needed to determine the source of the core.

Restoration / Re: 1969 Z/28 Radiator Core - Source?
« on: July 05, 2018, 05:57:42 AM »
I am trying to locate a new, replacement 3 row, 20 3/4" radiator core for my 1969 Z/28 project with OE style fins that will pass judging. I plan to re-use the original dated Harrison tanks and channels however need a core. I checked Heartbeat City and they have no stock and are back-ordered. I searched CRG threads and didn't come up with much.  Does anyone have a source for an original style Z/28 radiator core?

Curious - what exactly are "OE Style Fins"?   

I had my Z's radiator re-cored.  Unfortunately, someone prior to my ownership also had it re-cored, but fortunately they re-used the original date coded side tanks but not the top/bottom channels.   I ordered the reproductions channels from HBC and went to my local radiator shop specifying exactly what I needed - 3 core, 20.75", etc and needed them to re-use the side tanks and the channels I provided.  He said it's gonna be expensive, called around and confirmed he had a sourced and could do the job.  Took a few weeks, but it appears exactly as Gary's in the link provided - down to the cooling fins.   Maybe I got lucky, but maybe just ask a local radiator shop, tell what you need and see if they can source that core?

General Discussion / Re: GOODYEAR WIDE TRACK GT
« on: July 03, 2018, 04:41:42 PM »
If you go to SEMA or are a vendor at SEMA, they'll sell you the tires direct at wholesale.   Bought both sets this way for my Chevelle and '69 Z.  And frankly, they drive decent.  Not great, but acceptable.  Quiet and smooth - especially going straight ;-)

Restoration / Re: Upper A-arm Splash Shields
« on: June 29, 2018, 03:40:00 PM »
I would think that after 50+ years the thickness of an original would shrink a little, so maybe the reproduction is correct being it's new.


Well, keep in mind, the original is ~ 2X thicker than the reproduction...I should have clarified that.   The reproductions match the thickness of the other original splash shields that I have that go on the inner fender apron. 


Restoration / Re: Upper A-arm Splash Shields
« on: June 29, 2018, 02:47:51 PM »
Kit from steele products is .08" thickness, texture looks about the same as my posted piece. Again, that measured .13". So acording to Hans, roughly half of the material by the firewall. Which is what his oe's spec'd.

Here's an image comparing the original to the reproduction.  Note the thickness differences.  This is only for the piece that goes between the driver side inner fender and the firewall.  Otherwise, the texture, sans the thin short strings, is pretty good, not exact, but good.  Definitely not inner tube material!  I was able to knock down the gloss some using lacquer thinner.

Reproduction on the left,  Original on the right:

Original on the left,  Reproduction on the right (without the stapled on bracket):

Reproduction on the left,  Original on the right (with the stapled on bracket & clip)

Originality / Re: Rear Axle Brake Line Clip PN# 3956700
« on: June 26, 2018, 05:27:25 PM »
I posted a Parts Wanted ad on SYC for a clip in mint condition which I haven't located yet however for reference I'm adding the following photos that were posted:

Interesting - have you decided not to use the clip found on the rear axle on your car and instead go with the a "technically correct" clip?   Curious to why if that's the case as I was reasonably convinced your clip on the rear axle was original. 

Restoration / Re: Upper A-arm Splash Shields
« on: June 26, 2018, 03:50:18 PM »
After reading all the posts, I was curious to how far off the set of shields I ordered from HBC are from the originals that were installed on my Z. 

What I noted:
- Thickness for reproduction shields is exact to the orgiinals, except for the dust shield by the steering column/inner fender with the bracket.  That particular shield is about 2X thicker than the others.  Fortunately, my original is in excellent shape and re-usable.
- The reproductions are glossy.   My originals are mat finish, but not sure if that's because they are nearly 50 yrs old, have road grim, and over-spray paint.  I'm wondering if it's possible to tone-down the gloss with some acetone/lacquer thinner or use a satin rubber spray paint?
- The texture isn't that far off, but the reproductions are missing the string strands.  I wonder if its possible to lay some string strands on the reproductions and add light coat of some sort of rubberized material or paint to blend them in?

Here's a image comparing the two - I'll note that the texture is a closer match than what appears in the image.

Restoration / Re: Heater hoses
« on: June 17, 2018, 09:44:28 PM »
A quick scan of "The Definitive 1969 Camaro Z/28-SS396 Fact Book" published by Jerry MacNeish shows the following:

Page 11:    302 Engine.  No clip
Page 13:    302 Engine.  Both photos show clips (probably the same engine)
Page 17:    "A Clamp mounted on this bracket on early production Z/28s to contain the heater hoses.  Later production cars use a Ty-rap tin place of the clip"
Page 91:     350 Engine.  Clip
Page 91:     302 Engine.  Clip
Page 120:   302 Engine.  In conclusive.  Nov '68 built
Page 125:   396-375:  Clip
Page 125:    427:  Clip
Page 131:    396:  Clip
Page 159:    ?  Clip
Page 163:    427:  Clip
Page 181:    Clip

And a quick scan of John Hooper's book, "The 1969 Camaro Reference Book", it shows 307s, 350 Pace Car, 396 Pace Car, 302's, ZL1's, 396/L89, 427's, Original Yenko Engine compartment, all with the clip...

Net-net - appears at some point there was a change in production from Clip to Ty-rap, Per Jerry's book, but when?  My Van Nuy's April built car has the clip and had the original factory installed heater hoses, so while things can happen, would seem weird someone along the way decided to add that factory the change probably happened after April. 

Restoration / Re: Heater hoses
« on: June 16, 2018, 06:24:56 PM »
See AIM Page 223, under RPO C60 (AC), View B.  The clip, PN #3825416 is clearly show and there are no notes in the revision block that states that GM deleted the clip from production.   If some reason the clip was no longer needed, I would have suspected the AIM would have had a revision note stating clip had been deleted during the production year.   Granted, this is for an AC car...

I'm still searching the AIM, but so far, that's the only place I see it referenced.    Interesting, no where on Page 44 under heater hoses is the clip mentioned - not even in the revision notes stating it's been deleted. 

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