LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

repair broken dowel pin/cam

Old Oct 16, 2003 | 12:10 PM
  #1  
grygst76's Avatar
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From: Gloucester-Spfld Mass
repair broken dowel pin/cam

Just curious what I ask the machine shop to do with my cam, the dowel pin is broken and a little bit of a depth inside the camshaft, what do I tell them needs done?
Old Oct 16, 2003 | 12:20 PM
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First and foremost, make sure your machine shop works on engines, lots of engines.

They will know what to do. Most likely, they will just drill it out. Provide them with a new pin with the correct length.JMHO
Old Oct 16, 2003 | 12:45 PM
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the dowl pin can be tap'd out very carefully with a punch from the back side....
Old Oct 16, 2003 | 12:55 PM
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Originally posted by aggiez28
thats a retarted question... you tell them to take it out of course.

brook
looks like it was welded in there though that's why I ask also it is recessed in there lke someone tried to dig it out Can I get another retarded answer?
Old Oct 16, 2003 | 01:10 PM
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Originally posted by aggiez28
dude tell them to take it out... dosnt get any simpler than that...


brook
now as far as the new pin that I have?? Do I tell them to just stab it in?
Old Oct 16, 2003 | 01:56 PM
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Originally posted by aggiez28
yep.

reason i say its a retarted question is you should tell them to do anythgin... give them the cam and ask them to fix it.
they are the machine shop and should know how to do their job.

if you have to go tell them how to do their job then i would look for another machine shop.

brook
true, but what i meant was do I have them install the pin and weld it in place?? or leave it just put in? I never had to fix a broken cam so my questions are straight to the point.
Old Oct 16, 2003 | 03:22 PM
  #7  
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I would just have them remove it. The pins are just pounded im. It doesn't take much to get them stuck in and a beech to get out. There is no need to have it welded!

Be certain to reference the correct dowel height from the face of the cam. I think it is like a max of .620" and a max dowel OD of .250". Vary from this and you might crap out the bearing in your opti.
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