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New project for this winter. 71 Mach 1
#21
Well I was able to get the trunk pan fitted and welded in place last night after work. Everything went off without a hitch. I still need to grind all the welds down, but it was getting late and I didn't feel like doing it last night. Over 100 spot welds holding that thing in. Also had to transfer the jack mount, and gas tank strap mount, and gas tank location tabs to the bottom side of the pan. Next up is the driver quarter panel and taillight panel. Just a little tip I found helpful when you have to punch 100+ holes for spot welds. The outside perimeter ones are easy with the flange/punch tool, but the inner ones can be a pain in the butt. It takes forever if you use a center punch to mark the holes, then drill out with a standard drill bit. A really easy quick way to do it is to use a self-tapping screw in your screw gun with a magnetic bit holder. No need to center punch the holes. The self tapper doesn't slide around like a drill bit and eats right through sheetmetal way faster than a drill bit. If the self tapper holes arent big enough for your liking you can go back through with a 1/4" drill bit and open up the holes. Since the hole is already there the drill bit opens the hole easily. Then just dress the holes to get the burrs off with a grinder. Easy peasy. Saves a ton of time. Heres some more pics.

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Kevin

1971 Mach 1
408C Stroker
C4 w/3,000 stall
8.8" Rear w/3.73's
Disc brakes all way around.

[Image: 28ivsix.png]




                                                                                             
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#22
Looking good. Thanks for posting up the progress. Looks like the same batch of work I need to do to my 72....trunk floor, drops, a little rear quarter work, and some driver's side apron work.

What did you coat the frame rails with before the floor was welded in place? Was the adjacent surface to the frame rail also coated?
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#23
You are moving on with the job really fast. Wow that cowl had got rusty. When you pull the windshield hope the upper part of the cowl doesn't look the same. They hold trash in that pocket under the bottom of the windshield and rust quickly.
One the spot welds. One thing I found that helps me is to use an automatic center punch to hit the centers of the welds snap them a couple times. It is difficult to get some with a hammer and the automatic center punch is quick and compact.
When I was working on my garage and putting up the conduit I also found that the self tappers did drill the red iron frame of the building faster than a drill bit.
There is an old Tool & Die trick to help make the drills cut faster. You thin the web in the center of the drill bit down. You need a good square corner on your grinding wheel to do it. Maybe look up on web to get some pictures.
You can keep that cold up there but they say it will head south soon.
Great work you are doing.


When a man is in the woods and talks and no women are there is he still wrong??
Tongue
David
  Reply
#24
basstrix;284648 Wrote:Looking good. Thanks for posting up the progress. Looks like the same batch of work I need to do to my 72....trunk floor, drops, a little rear quarter work, and some driver's side apron work.

What did you coat the frame rails with before the floor was welded in place? Was the adjacent surface to the frame rail also coated?

I sprayed weld through primer on and in the rails. Then inside the rails I top coated it with some kind of rust encapsulator/preventor my buddy gets from work. They use it on boilers. So I figured it should work for the frame. The inside of the frame looked brand new still, no rust at all.

Kevin

1971 Mach 1
408C Stroker
C4 w/3,000 stall
8.8" Rear w/3.73's
Disc brakes all way around.

[Image: 28ivsix.png]




                                                                                             
  Reply
#25
Carolina_Mountain_Mustangs;284649 Wrote:You are moving on with the job really fast. Wow that cowl had got rusty. When you pull the windshield hope the upper part of the cowl doesn't look the same. They hold trash in that pocket under the bottom of the windshield and rust quickly.
One the spot welds. One thing I found that helps me is to use an automatic center punch to hit the centers of the welds snap them a couple times. It is difficult to get some with a hammer and the automatic center punch is quick and compact.
When I was working on my garage and putting up the conduit I also found that the self tappers did drill the red iron frame of the building faster than a drill bit.
There is an old Tool & Die trick to help make the drills cut faster. You thin the web in the center of the drill bit down. You need a good square corner on your grinding wheel to do it. Maybe look up on web to get some pictures.
You can keep that cold up there but they say it will head south soon.
Great work you are doing.

Thanks David. We are not pulling the windshield. The owner didn't want to get into all that. The rest of the cowl looks really solid.
I also use the auto punch when im drilling out old spot welds.
And cold is HERE!! Only a high of 10 tomorrow.

Kevin

1971 Mach 1
408C Stroker
C4 w/3,000 stall
8.8" Rear w/3.73's
Disc brakes all way around.

[Image: 28ivsix.png]




                                                                                             
  Reply
#26
Do you have some pictures of the location tabs? Mine where gone (PO had cut out the whole floor and put a flat piece of galvanized in) and I am thinking of recreating them.

[Image: Stang1.jpg]
  Reply
#27
turtle5353;284651 Wrote:
Carolina_Mountain_Mustangs;284649 Wrote:You are moving on with the job really fast. Wow that cowl had got rusty. When you pull the windshield hope the upper part of the cowl doesn't look the same. They hold trash in that pocket under the bottom of the windshield and rust quickly.
One the spot welds. One thing I found that helps me is to use an automatic center punch to hit the centers of the welds snap them a couple times. It is difficult to get some with a hammer and the automatic center punch is quick and compact.
When I was working on my garage and putting up the conduit I also found that the self tappers did drill the red iron frame of the building faster than a drill bit.
There is an old Tool & Die trick to help make the drills cut faster. You thin the web in the center of the drill bit down. You need a good square corner on your grinding wheel to do it. Maybe look up on web to get some pictures.
You can keep that cold up there but they say it will head south soon.
Great work you are doing.

Thanks David. We are not pulling the windshield. The owner didn't want to get into all that. The rest of the cowl looks really solid.
I also use the auto punch when im drilling out old spot welds.
And cold is HERE!! Only a high of 10 tomorrow.
Little bit surprised at the owner not taking the front and rear windshields out when doing a repaint. Under the front windshield will probably have a hole in the cowl after seeing the hole in the end of the cowl. You should at least take a piece of wire and probe under to see if there is holes. If they are that is water coming directly into the car. It is usually worse on the passenger side.
I was just down to my garage and it was 55 deg. with a little oil space heater going and it is 4,000 sq. ft.. Glad I am not in the deep freeze.


When a man is in the woods and talks and no women are there is he still wrong??
Tongue
David
  Reply
#28
Carolina_Mountain_Mustangs;284681 Wrote:
turtle5353;284651 Wrote:
Carolina_Mountain_Mustangs;284649 Wrote:You are moving on with the job really fast. Wow that cowl had got rusty. When you pull the windshield hope the upper part of the cowl doesn't look the same. They hold trash in that pocket under the bottom of the windshield and rust quickly.
One the spot welds. One thing I found that helps me is to use an automatic center punch to hit the centers of the welds snap them a couple times. It is difficult to get some with a hammer and the automatic center punch is quick and compact.
When I was working on my garage and putting up the conduit I also found that the self tappers did drill the red iron frame of the building faster than a drill bit.
There is an old Tool & Die trick to help make the drills cut faster. You thin the web in the center of the drill bit down. You need a good square corner on your grinding wheel to do it. Maybe look up on web to get some pictures.
You can keep that cold up there but they say it will head south soon.
Great work you are doing.

Thanks David. We are not pulling the windshield. The owner didn't want to get into all that. The rest of the cowl looks really solid.
I also use the auto punch when im drilling out old spot welds.
And cold is HERE!! Only a high of 10 tomorrow.
Little bit surprised at the owner not taking the front and rear windshields out when doing a repaint. Under the front windshield will probably have a hole in the cowl after seeing the hole in the end of the cowl. You should at least take a piece of wire and probe under to see if there is holes. If they are that is water coming directly into the car. It is usually worse on the passenger side.
I was just down to my garage and it was 55 deg. with a little oil space heater going and it is 4,000 sq. ft.. Glad I am not in the deep freeze.

I can send some cold your way. -15 is the low tonight and the high this Sunday is supposed to be -8.

73 Grandé H Code. Headman long tube headers, T-5 Transmission, 3.70 Traclok, Lowered 1" all around, Aussie 2v heads w/ 2.19 intake, 1.71 exhaust, screw in studs, full roller cam 608/612 lift 280/281 duration LSA 112, Quick Fuel 750 CFM double pumper, AirGap intake.

- Jason


[Image: 082-hot-rod-power-tour-2017-1970-1970s.jpg]
  Reply
#29
73pony;284686 Wrote:
Carolina_Mountain_Mustangs;284681 Wrote:
turtle5353;284651 Wrote:Thanks David. We are not pulling the windshield. The owner didn't want to get into all that. The rest of the cowl looks really solid.
I also use the auto punch when im drilling out old spot welds.
And cold is HERE!! Only a high of 10 tomorrow.
Little bit surprised at the owner not taking the front and rear windshields out when doing a repaint. Under the front windshield will probably have a hole in the cowl after seeing the hole in the end of the cowl. You should at least take a piece of wire and probe under to see if there is holes. If they are that is water coming directly into the car. It is usually worse on the passenger side.
I was just down to my garage and it was 55 deg. with a little oil space heater going and it is 4,000 sq. ft.. Glad I am not in the deep freeze.

I can send some cold your way. -15 is the low tonight and the high this Sunday is supposed to be -8.
We got down to 18 a couple nights but the ski slopes here are dying this year. They use to open in Nov. some years when I use to ski lots. I will have to watch the snow levels on Mt. Michell they use to get over 100" a year but it is way down. Glad global warming is here again. Happened many times in the past but people don't accept that.


When a man is in the woods and talks and no women are there is he still wrong??
Tongue
David
  Reply
#30
I love it here in the desert soutwest... 75 today and forecasting 77 tomorrow Smile
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