Jim's 85 CJ7 rebuild - Page 143 - JeepForum.com

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post #2131 of 3887 Old 02-09-2012, 04:34 PM
bbc
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Now what do you do?
Just sweep that into the driveway?

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post #2132 of 3887 Old 02-09-2012, 05:45 PM Thread Starter
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Quote:
Originally Posted by cjdogtoy View Post
looks like bare metal to me, I'm happy to hear how fast it went for you, I was thinking it would take allot longer. be sure to take pics of the tanks it's going into, I would love to hear and see details on the way they do that
I'll see about getting pictures but they may not allow that. Allot of the places I go into won't allow pictures of their operations to be taken but I'll ask. Yep it did go pretty quick, thankfully.

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Now what do you do?
Just sweep that into the driveway?
It's already in the driveway. I thought about saving it but it's been damp here and it really didn't seem worth the time to save it knowing I'd have to spread it out in the shop to let it dry.
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post #2133 of 3887 Old 02-09-2012, 07:26 PM
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Take the sand down to the lake. That way when I come over. I can play in the sand, and swim, without getting muddy.

Bill

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post #2134 of 3887 Old 02-09-2012, 07:40 PM
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Jim, I am amazed at how quickly you blasted the frame! What kind of nozzle do you use? My pot blaster, as someone here described, is like blasting with a sharpie.

Paul

'84 CJ-7 | REBUILD IN PROGRESS
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post #2135 of 3887 Old 02-09-2012, 09:10 PM
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That looks great, Jim! How's your back feeling?

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post #2136 of 3887 Old 02-10-2012, 02:54 PM Thread Starter
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Take the sand down to the lake. That way when I come over. I can play in the sand, and swim, without getting muddy.

Bill
Don't worry Bill I've got a really big sand pile for you to play in.

Quote:
Originally Posted by VACJ7 View Post
Jim, I am amazed at how quickly you blasted the frame! What kind of nozzle do you use? My pot blaster, as someone here described, is like blasting with a sharpie.

Paul
Paul my blaster is a pressure pot. That makes a big difference over the siphon type. Your compressor being able to keep up helps too. Picture is below of the tips I use.

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That looks great, Jim! How's your back feeling?

Thanks Jim. It's getting better but I still have a long way to go before I'm back to normal. I'm trying to really be careful with it and that's hard to do!

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post #2137 of 3887 Old 02-10-2012, 10:42 PM
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I'm just another voice saying, "that frame looks great!" Nice work, Jim.

Rich

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post #2138 of 3887 Old 02-11-2012, 08:33 AM
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I just might have to move to Perry, MO...nice work once again!

1985 CJ-7, fuel injected 258, 2.5" Rubicon Express Extreme Duty Lift, 1" Body lift, Crabtree Shackle Hangers, T-5, Dana 300 w/ 4:1 Teralow kit, Dana 30, AMC 20 w/1 piece axle, 3.73 's with Detroit Truetrac front and rear, riding on 32x11.5x15" Cooper Discoverer STT mud terrains
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post #2139 of 3887 Old 02-11-2012, 09:40 AM
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post #2140 of 3887 Old 02-11-2012, 11:52 PM
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was that the h.f. blaster? I saw the way you modified it on Scott's thread, but wasn't sure were you got it.
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post #2141 of 3887 Old 02-13-2012, 08:16 AM Thread Starter
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Quote:
Originally Posted by rixcj View Post
I'm just another voice saying, "that frame looks great!" Nice work, Jim.

Rich
Thanks Rich.

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Originally Posted by mvigo View Post
I just might have to move to Perry, MO...nice work once again!
It's a nice place to live Mike. Let me know when to start looking around! Thanks, I'll be glad to get it with a finish on it.

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looking good Jim
Thanks man! I look forward to being able to use it the way you have yours!

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Originally Posted by cjdogtoy View Post
was that the h.f. blaster? I saw the way you modified it on Scott's thread, but wasn't sure were you got it.
Dog I bought that blaster from Northern Tool & Hydraulics. I think H.B. has the same thing too. It's been a good one for the money.
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post #2142 of 3887 Old 02-13-2012, 05:17 PM Thread Starter
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In getting the frame ready for galvanizing I wanted to have all the holes drilled in it that I would need. There are two extra holes that are required for the YJ/CY front shackle hangers and someday I may put YJ springs on this, so the holes will be there if I do.

You can see that the hanger lines up with the two existing holes and has a clearance hole for the rivet. It needs another clearance hole for the 7/16 threaded hole in the bottom of the hanger. Some conversion hangers have you grind the rivet off. I don't do that with my hangers, you just drill the extra hole. Better idea I think.


So we need a place to measure from in order to get the extra hole in the right location. I am measuring from the furthest forward mounting hole.


Here's a fairly accurate way to find the center of that hole. I measured the i.d. of the threaded hole, which was .375, and divide that by 2. Take a drill bit that size, 3/16, and insert it in the hole and slide your square up against it. That does a nice job of making sure the edge of the square is on the center of the hole. Now just scribe a line.


Now you need to find the center of the hole from the edge of the frame so you can mark that where the new hole goes. Just use the same method and slide an adjustable square up against the drill bit. Now move the square in the general location of the new hole and scribe a mark along the end of the scale.


Now you need to measure from the mounting hole on the hanger that I marked the center of on the frame to the new hole. In this case that distance is 2.427. Now scribe a line at that location. You now have both directions marked on the frame. Center punch it and you're ready to drill.


I drilled the final hole 1/2". I stepped that up in three smaller drills, started about 1/8" then 5/16" then the final 1/2" and chamfered the hole to get rid of the sharp edge.
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post #2143 of 3887 Old 02-13-2012, 07:09 PM
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Very neat little trick, Jim. Thanks for sharing it. And you have a very good eye with the center punch too. I couldn't have made it that perfect even with the crosshair!

Kerrdog
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post #2144 of 3887 Old 02-13-2012, 07:49 PM
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Just started following a few builds as I have stared my own in November. Great ideas all throughout and a REALLY good bunch of guys! I recently purchased a sand blaster simular to yours to do my frame and other parts. How did you modify it to get more control on the amount of sand that comes out? Did you replace the nozzle holder to another type?
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post #2145 of 3887 Old 02-14-2012, 10:15 AM Thread Starter
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Very neat little trick, Jim. Thanks for sharing it. And you have a very good eye with the center punch too. I couldn't have made it that perfect even with the crosshair!
Thanks Scott. I was wearing my dollar store glasses so I could see the lines better.


Quote:
Originally Posted by Cyclone View Post
Just started following a few builds as I have stared my own in November. Great ideas all throughout and a REALLY good bunch of guys! I recently purchased a sand blaster simular to yours to do my frame and other parts. How did you modify it to get more control on the amount of sand that comes out? Did you replace the nozzle holder to another type?
Glad you're finding some good info and nice people.

If yours is like mine it should have a valve on the bottom that's where the sand comes out of the tank. That will be adjustable so you can regulate the amount of sand that comes out of the nozzle. I have mine turned down quite a bit to conserve sand but it also works better that way too since the air is really moving faster to make the sand hit the metal. You're not regulating pressure just sand output.

Also when it first starts up it spits and sputters. Give it about 30 seconds and that goes away. Enjoy your build too.
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