INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

cam retainer plate bolt hole

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Old 03-03-2016 | 04:15 AM
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Default cam retainer plate bolt hole

During the process of changing my cam i stripped the head of the torx bolt. Tried to use a easy out to get the bolt out...drill broke inside the bolt and wouldn't budge. So i tack welded a bolt to the head of the stripped bolt it started coming out...until the head of the bolt snapped off! I ended up drilling the bolt out but in the process i got off center and drilled the threads out of right half of the hole. What can i do besides taking it to the machine shop so they can fill in the hole and re drill it? don't really wanna pull the motor out the truck.
Old 03-03-2016 | 05:16 AM
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Heli-Coil
Old 03-03-2016 | 07:30 AM
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Thought about that but not sure if the Helicoil will have the bolt centered where I need it the hole I drilled is to the right not center
Old 03-03-2016 | 07:37 AM
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Originally Posted by Jake75
Thought about that but not sure if the Helicoil will have the bolt centered where I need it the hole I drilled is to the right not center
Only thing that comes to mind would be putting the plate back on and use it as a PILOT for the drill.
Old 03-03-2016 | 08:22 AM
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Anyone know if I can fill the hole with jb weld and tap it after its fully cured?
Old 03-03-2016 | 08:27 AM
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You have a picture of how bad it is? Which hole/bolt was it?
Old 03-03-2016 | 08:56 AM
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I'll have to get a pic when I get home but the bolt is basically drilled in half. When I took out the bolt there's about 1/4 of full thread on the bottom of the bolt the rest is 50% of the bolt

Edit- this is before I cleaned the hole out. There's shavings in the pic.
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Last edited by Jake75; 03-03-2016 at 09:01 AM.
Old 05-03-2016 | 07:55 PM
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Thats ugly, know this is kinda old but did yiu end up fixing it???
Old 05-03-2016 | 08:26 PM
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I got lucky with it! The oversized hole was the exact size i needed for a heli coil to i drilled it all the way and tapped it for a heli coil. It's holding great
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