 Spark plug thread inserts., Should I be concerned? |
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| Erben914 |
 May 13 2014, 11:15 PM
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Member  Group: Members Posts: 137 Joined: 1-January 13 From: Sacramento Member No.: 15,314 Region Association: Central California  |
I have my engine out for a bear tub restoration. I am reassembling everything and almost ready to put the engine back in.
As I was cleaning things up replacing the tube seals and getting ready to adjust the valves I found these threaded sleeves in my spark plug holes.   Looks like a PO was a DA? Did they strip all of the spark plug threads and use threaded inserts? I probably wouldn't have even noticed but they are loose and partially back out when I took out the plugs. They are at different depths now but do they bottom out when the plug is tight? I can't tell because the base of the plug covers the sleeve when the plugs are in place. I really don't want to take the heads off. I had no issues prior. If it ain't broke don't fix it? Or am I risking a bigger problem? |
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| JStroud |
May 14 2014, 11:36 AM
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Senior Member Group: Members Posts: 1,463 Joined: 15-January 11 From: Galt, California Member No.: 12,594 Region Association: Northern California |
Here you go, HP Engine and Machine
17327 N Bruella Rd Victor CA 95253 209-368-8355, Harry is the owner. Good luck, Jeff |
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Posts in this topic
Erben914 Spark plug thread inserts. May 13 2014, 11:15 PM
Hawker Well I'd say you just might be on to something... May 13 2014, 11:24 PM
Erben914
Well I'd say you just might be on to somethin... May 13 2014, 11:33 PM Hawker
Well I'd say you just might be on to somethi... May 14 2014, 09:14 AM infraredcalvin If they're loose, there is a problem, pay now ... May 14 2014, 12:10 AM Mblizzard I had a car with the inserts and never had an issu... May 14 2014, 05:34 AM Joe Ricard Time big insert. I had them in several HI Prefo... May 14 2014, 05:49 AM Cap'n Krusty I disagree, Joe. If they're loose, they'r... May 14 2014, 08:52 AM JStroud Eric, HP machine in Victor(Lodi), has done my mach... May 14 2014, 09:02 AM Cap'n Krusty BTW, loose plugs, even plugs tight in loose insert... May 14 2014, 11:45 AM Erben914 Thanks for all the input guys.
I guess I won... May 14 2014, 07:18 PM Mblizzard
Thanks for all the input guys.
I guess I won... May 14 2014, 07:26 PM JStroud Damn Eric that's looking awesome, not bad for ... May 14 2014, 07:40 PM Erben914 [quote name='JStroud' date='May 14 201... May 14 2014, 07:59 PM Erben914 Thanks.
I pulled it apart in November and was try... May 14 2014, 07:49 PM Erben914 Hey any tips on pulling the head? I know to keep t... May 14 2014, 08:06 PM Mblizzard
Hey any tips on pulling the head? I know to keep ... May 14 2014, 08:20 PM jmill Had a single port VW motor overheat on me. Heads ... May 14 2014, 08:14 PM Erben914 Thanks for the advice.
Here is what I found. Do y... May 14 2014, 10:08 PM Erben914 RE: Spark plug thread inserts. May 14 2014, 10:10 PM Mblizzard Clean the area around the spark plugs and look for... May 15 2014, 06:27 AM Erben914 I couldn't find any cracks but two of the inse... May 17 2014, 12:11 AM |
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