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Thread: Helicoil size for the lower intake manifold.

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    Helicoil size for the lower intake manifold.

    Anybody know what size helicoil I need for the bolts that attach the plenum to the lower intake manifold? I stripped out the threading changing my plugs out.

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    I would tell you but I dont remember, I did text you the size about a year or two ago lol.
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    Couple phones ago :P. I thought about trying to look up your old thread, but seemed like it would be easier just to ask here. Good opportunity to add information to the new site also.

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    Yeah, I really dont ask or post anything regarding technical stuff on the other site anymore, I want this database to grow.

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    Padawan garage troll Not Verified Feedback Score 1 (100%) Roybatty's Avatar
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    I just did this about a month ago; after numerous failed attempts at using red thread lock lol; that was a waste of time. I picked up kit 770-3093 from NAPA, Helicoil Metric Thread Repair Kit. Size M8x1.25, came with drill size 21/64. This was used to replace DS stud to lower intake (attaches plenum to lower intake).

    It happened to be on sale (IIRC about from 40+ bucks to under 30), but probably because I had ordered it a while ago, then didn't pick it up, cause they did not stock the item. Later I asked if it was in stock and it was and on sale.

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    Ah yeah, that size rings a bell. Thanks Roy.

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    If only we all had TIG welders sitting around lol.

    Also, how you figure filling a hole up with a TIG welder and then redrilling and retapping is easier than... redrilling a hole, retapping, and putting the helicoil tang in is beyond me. Seems about the same to me. Except one doesn't involve pulling a welder out.

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    Wrench Monkey Not Verified Feedback Score 1 (100%) TwIzTeD_3kGt's Avatar
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    FYI they have those helicoils at Autozone or Advance for much less than $30 IIRC.

    '97 VR4 - 19t, Chrome, Pump 93, 22psi, DD, Since '06
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    If I remember right I picked mine up at Advanced Auto for ~$24. You know which one I am talking about Dillon.

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    I was talking to Adam and he said I should order them of mcmaster.com. Going to have him go ahead and do my helicoils for me when I take my car up there. He is giving me an awesome deal on the whole thing. Can't wait to have the car purring again hah.

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