 Stripped intake stud |
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| AE354803 |
 Oct 3 2012, 10:36 PM
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#1
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Member  Group: Members Posts: 232 Joined: 13-August 12 From: Southern California Member No.: 14,801 Region Association: Southern California  |
I have a 2.0 type IV from a 914 in my 912, it has the GA heads and Weber 40 IDFs. Today I was warming it up to change the oil and saw flashing from the intake manifold/head seal area when small backfires occured. Naturally I started to tighten the intake manifold bolts. On the #1 cylinder outboard nut, I felt too much play. I wiggled the stud and pulled it right out!
See the picture below. I was able to find more threads in the hole and thread it back in using 2 nuts so it isn't completely stripped. Only about 1/4" of threads came out with the stud. What should I do here?  |
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Replies
| HAM Inc |
Oct 5 2012, 06:31 AM
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#2
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Senior Member Group: Members Posts: 846 Joined: 24-July 06 From: Watkinsville,GA Member No.: 6,499 Region Association: None |
Time-serts and heli-coils both require full thread engagement to prevent insert failure. I have seen each break when only a portion of the threads were engaged.
Time-serts are a cast alloy and heli-coils are wire. Each has certain frailties that require consideration. QUOTE Does anyone know the proper length for the studs that have the flat machined section and also where to get them? Pelican turned up nothing. QUOTE intake manifold studs are M8 x 1.25. Use a depth gauge to measure the bore, then add the thickness of intake manifold, gasket, washer and nut to come up with the length you'll need. Yes. |
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Posts in this topic
AE354803 Stripped intake stud Oct 3 2012, 10:36 PM
Dave_Darling Looks like a heli-coil?
--DD Oct 3 2012, 11:31 PM Mark Henry Whoever installed it backed the stud out because i... Oct 4 2012, 04:46 AM The Cabinetmaker That does look like a heloicoil that has came loos... Oct 4 2012, 05:02 PM Cap'n Krusty Looks like a Helicoil? I say not. It looks like ... Oct 4 2012, 05:28 PM Dave_Darling In my experience, the aluminum threads that come o... Oct 4 2012, 06:25 PM
AE354803
In my experience, the aluminum threads that come ... Oct 4 2012, 09:28 PM euro911 I believe intake manifold studs are M8 x 1.25.
U... Oct 4 2012, 11:44 PM |
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