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d19 block threads
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c linn View Drop Down
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Joined: 20 Jan 2010
Points: 25 		Post Options Post Options   Thanks (0) Thanks(0)   Quote c linn Quote  Post ReplyReply Direct Link To This Post Topic: d19 block threads
    Posted: 28 Nov 2010 at 7:05am
Threads in block in the rear hole gone cannot tighten the head How do I fix the threads 
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Lyle124 View Drop Down
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Points: 122 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lyle124 Quote  Post ReplyReply Direct Link To This Post Posted: 28 Nov 2010 at 7:58am
put a Helicoil in it , you have to drill it out to oversize and srew the Helicoil in.  Lyle
5040 Bad Boy Mower
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wi50 View Drop Down
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Points: 1010 		Post Options Post Options   Thanks (0) Thanks(0)   Quote wi50 Quote  Post ReplyReply Direct Link To This Post Posted: 28 Nov 2010 at 9:58am
PAI parts have some thread inserts available, hard steel sleve instead of the heli-coil type.  A better fix, but it requires more room, you'll have to drill and tap the hole in the block to install either type, but the insert will require a larger hole than the heli-coil type
 
Local auto parts may be a quick source for the heli-coil kit you need.
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EdIL View Drop Down
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Points: 69 		Post Options Post Options   Thanks (0) Thanks(0)   Quote EdIL Quote  Post ReplyReply Direct Link To This Post Posted: 28 Nov 2010 at 11:00am
I'll recommend using the head, bolted in place, to act as a guide for the drill.  Tubing or shim stock can be used to help take up any cleance between the drill and the hole in the head.  This helps keep everything lined up.
 
Ed 
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Brian Jasper co. Ia View Drop Down
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Points: 10508 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian Jasper co. Ia Quote  Post ReplyReply Direct Link To This Post Posted: 28 Nov 2010 at 11:54am
If you can get one big enough, go with a Time-Sert. That's what we use on Northstar Cadillacs. Only once have I ever replaced head gaskets and not pulled the threads out going back together.
"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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DrAllis View Drop Down
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Points: 20485 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 28 Nov 2010 at 3:10pm
I did one in college many, many, many years ago and we were able to just set a good drill press alongside the tractor and the chuck would just reach the hole in the block that had no threads......just make sure the tractor is level front/back and side to side.
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GBACBFan View Drop Down
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Points: 2662 		Post Options Post Options   Thanks (0) Thanks(0)   Quote GBACBFan Quote  Post ReplyReply Direct Link To This Post Posted: 28 Nov 2010 at 3:21pm
I would think a magnet based drill from the tool rental place would work well.
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