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> Cary's 73 1.7 Rustoration Thread
cary
post Dec 18 2016, 06:03 PM
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Sunday Morning Episode of Dad's Garage .................

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Changed out the fuel pump on the Audi in the St. Johns Safeway parking lot.
It's under the passenger back seat. Fairly simple procedure.

I came out a couple weeks ago and did the diagnosis.
Power to the pump with ignition on. Pump no go.

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After the system pressurized she fired right up ...................
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76-914
post Dec 19 2016, 10:34 AM
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You can't take too many tools for a mobile repair. (IMG:style_emoticons/default/beerchug.gif)
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cary
post Dec 20 2016, 07:34 AM
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It's my at home/AX tool box. It will probably go to Mexico in my Mexican 1000 service vehicle. Fit's nicely in the old Explorer. 220k.

Firm believer : More is Better
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cary
post Dec 21 2016, 11:13 PM
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Things are kind of quite so I'd thought post a couple shots of my work on the rally cars at Rothsport.

Top car is an 81 SC, the rental car. Bottom is Jeff's personal 964.
Jeff's car is going back to the blaster for some rework. (IMG:style_emoticons/default/sad.gif)
They're really struggling with the seam sealer and undercoating. I'm kind of picky.

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I've started seam welding the SC.

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Tuthill steering rack stiffeners. 10 gauge. Pallet of FIA roll cages arrived Monday. (IMG:style_emoticons/default/piratenanner.gif)
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Prodrive SCRS #7 is in the house. Because of my messy work it went under cover. It came in for some longer gearing. It was completely restored by Rothsport a couple years ago.

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cary
post Dec 25 2016, 09:27 AM
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Undercover ....................

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At this point the plan is to livery the rental car along the lines of the Rothmans. But insert Rothsport in place of Rothmans.

Mexican 1000 Press Release
https://www.excellence-mag.com/resources/events/33

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cary
post Dec 25 2016, 09:36 AM
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This coming week at Rothsport.
Rental car heads to body shop to install new left rear qtr. panel and a Fenn Lane Motorsports sunroof delete panel.
Jeff's car heads off to have its FIA roll cage installed.
Hopefully this will allow me a few solid days to get Doug's car to the media blaster.
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cary
post Dec 25 2016, 03:12 PM
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Lull between Christmas day events. (IMG:style_emoticons/default/santa_smiley.gif)

I thought I'd add some insight into the issues we're having with removing the undercoating and seam sealer on the 964's. It's kind of uncharted territory. Not too many 964's have been totally stripped down to a body in white. The G body was easily stripped with media and walnuts. Old School. But that stuff didn't make a dent in the 1/4" of undercoating on the 964's. We're thinking the folks that Singer uses bake the tub in the powder coating oven, then blast it. But they do not remove the seam sealer. I need the seam sealer removed so I can seam weld the spot welded seams. I even torch the seams with a MAPP torch before I start welding and I still pull impurities into the welds. (IMG:style_emoticons/default/barf.gif) (IMG:style_emoticons/default/barf.gif) (IMG:style_emoticons/default/welder.gif)

They quoted $3500.

So it takes lots of grinding with wire wheels and cup brushes to get the undercoating down and out of the seams. Doesn't set to well with the chassis room boys.
(IMG:style_emoticons/default/smash.gif) (IMG:style_emoticons/default/sawzall-smiley.gif) (IMG:style_emoticons/default/smash.gif) (IMG:style_emoticons/default/sawzall-smiley.gif)
So were going to try an induction heating pad. Heat , scrape , heat & scrape.

http://www.autobodytoolmart.com/inductor-p...u3-p-13991.aspx

https://www.youtube.com/watch?v=gXIk_1tmt8c

I'll let you can how it goes.
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BillC
post Dec 25 2016, 05:04 PM
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Have you considered trying some dry ice? You put it on the coating to freeze it and then scrape/chisel it off. It works well to remove undercoating, but I don't know how it will work on seam sealer. Same idea, though -- make it cold and brittle, and it pops off with little effort.
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cary
post Dec 26 2016, 08:54 AM
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Rothsport had sent one out to the ice blaster in the past and it didn't do any better. So that wasn't tried again.
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BillC
post Dec 26 2016, 11:50 AM
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QUOTE(cary @ Dec 26 2016, 09:54 AM) *

Rothsport had sent one out to the ice blaster in the past and it didn't do any better. So that wasn't tried again.

Hmm, okay then. Nevermind (IMG:style_emoticons/default/headbang.gif)

I have heard of places that will bake the chassis to about 900 degrees F in a low-oxygen atmosphere. This is supposed to turn everything not made of steel to ash. That should take care of the seam sealer. Might be worth looking into.
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cary
post Dec 28 2016, 08:43 AM
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Bill we saw that too. But we couldn't find anyone doing it on the west coast.
We demoed the Pro Max on Monday, it worked as described. It cooks a 4" * 6" area which then peels right off. Then move it along keeping the edge hot.
Jeff ordered one yesterday ..................
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cary
post Dec 28 2016, 08:49 AM
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https://www.excellence-mag.com/resources/events/33

What isn't mentioned in the press release is that Jeff Zwart is on team that will be driving the second 964. (IMG:style_emoticons/default/piratenanner.gif) (IMG:style_emoticons/default/piratenanner.gif)
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jmitro
post Dec 28 2016, 11:47 AM
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QUOTE(cary @ Dec 25 2016, 03:12 PM) *
I thought I'd add some insight into the issues we're having with removing the undercoating and seam sealer on the 964's. It's kind of uncharted territory. Not too many 964's have been totally stripped down to a body in white. The G body was easily stripped with media and walnuts. Old School. But that stuff didn't make a dent in the 1/4" of undercoating on the 964's. We're thinking the folks that Singer uses bake the tub in the powder coating oven, then blast it. But they do not remove the seam sealer. I need the seam sealer removed so I can seam weld the spot welded seams. I even torch the seams with a MAPP torch before I start welding and I still pull impurities into the welds. (IMG:style_emoticons/default/barf.gif) (IMG:style_emoticons/default/barf.gif) (IMG:style_emoticons/default/welder.gif)


I'm probably too late to help you, but several years ago I had a BMW project dipped in caustic. Cost $1500 and EVERYTHING was completely gone; seam welding the chassis was easy.
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cary
post Dec 28 2016, 12:22 PM
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Based on info we got, in portland it's around $3500.
Which wasn't an issue. 3 month waiting list was.
But we heard it still didnt get it all off a 964.
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cary
post Jan 10 2017, 09:59 AM
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I haven't fell off the map. Super In Law and I are running a new #6 wire run for my new 80 gal compressor. Going from 10.8 CFM at 90. To 25.3 CFM at 175.
Should be enough to keep up with the blast cabinet. And make some improvements on the outside blasting.
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PlantMan
post Jan 10 2017, 03:27 PM
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QUOTE(cary @ Jan 10 2017, 07:59 AM) *

I haven't fell off the map. Super In Law and I are running a new #6 wire run for my new 80 gal compressor. Going from 10.8 CFM at 90. To 25.3 CFM at 175.
Should be enough to keep up with the blast cabinet. And make some improvements on the outside blasting.


Cary,
Are you running a Skat Blast gun rated for higher cfm? Just curious.
I have the higher rated Skat Blast and my 60 gal has a hard time keeping up.

Thx,
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post Jan 10 2017, 05:41 PM
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IR 2 stage compressor (IMG:style_emoticons/default/confused24.gif)
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cary
post Jan 10 2017, 08:39 PM
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That was my 1st Choice. But reading some of the reviews they seem to be having some QC issues. So I bought the NAPA equivalent.
Intercooler, after cooler, auto drain, low oil shut off. 600 rpm.
Heavy SOB. 720 lbs.

Time will tell if I made the right choice.
NAPA Simplex Industrial. $2600 delivered to my shop with a lift gate.
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cary
post Jan 10 2017, 11:32 PM
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https://www.napaonline.com/napa/en/p/AAC82378VAT/AAC82378VAT
January's Monthly Special is $200 cheaper than December's. (IMG:style_emoticons/default/sad.gif)
Oh well, I wanted it in 2016's taxes ...................
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Mounted on isolators and up on 2*4's. Still want space for a drain pan.
Still need to hook up the three wires to the compressor. Then work on the plumbing.

We had a bitch of a time getting it lifted up. 720 lbs. and top heavy. (IMG:style_emoticons/default/sad.gif)
We finally drug out the HF cherry picker, it worked like charm. But I did scratch the end of the motor with the chain. (IMG:style_emoticons/default/sad.gif) I'm going have a box of nylon straps made to lifting with the cherry picker.

Plan is to match it up with this next spring ..................
https://www.texasblaster.com/index.php?disp...p;product_id=25

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altitude411
post Jan 10 2017, 11:56 PM
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Tool pimp... (IMG:style_emoticons/default/thumb3d.gif)
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