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Thread: Stage 8 Locking Fasteners
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02-04-2010, 08:11 AM #1
Stage 8 Locking Fasteners
As part of my LT install, I decided to try the Stage 8 bolts to prevent the header bolts from backing out. I did not realize how loose the locking tabs fit on the bolt head and it was damn near impossible to set them up to make contact. I was afraid the tabs would rattle and make noise, so upon install I had to back each bolt off just a touch to press the tab against the header. Has anyone else tried these bolts?
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02-04-2010, 11:39 AM #2
I used them. Getting the e-clip on is a pain. I just used what ever tab was closest and called it good. In hind sight I dont think you will hear of too many header bolts backing off anymore. At least not on the ls series engines.
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02-04-2010, 06:40 PM #3
yeah, i was wondering about these fastners too. do you think they are really necessary. cant you just use lock tite on the bolts.
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02-04-2010, 08:46 PM #4
You don't need them and my factory bolts had goop on the threads that looked to be a thread locking compound. I would just re use the factory bolts if I had to do it again.
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02-04-2010, 10:51 PM #5
Its anti seize on your original bolts, from looking around there really isnt any thread locking compound made to handle those temps and even then you have to use heat to loosen them up but there still not rated to handle those temps.
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02-05-2010, 03:38 AM #6
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- Aug 2009
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- Virginia Beach, Virginia
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Black- 2000 Pontiac Trans Am WS6
For my peace of mind, I went with the Stage 8 bolts on my GTO. I remember guys always having to tighten header bolts and the 30 or so dollars I paid for the Stage 8 bolts so I don't have to do that are worth it.
Scott
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02-05-2010, 02:05 PM #7
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Pewter metallic- 2000 Camaro SS
I used the Stage 8s on my Camaro. I like them, I did not use the locks though. Never had a problem with them backing out on me, I do check them regularly though.
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02-05-2010, 02:28 PM #8
The headers on our Corvette like to loosen -- but they are easy to get at so I just snug them down every few weeks. My concern was having a header start leaking on a trip with the T/A. If it drew air into the exhaust it could affect a/f. Lots more to worry about on this newer stuff imo.
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02-05-2010, 02:44 PM #9
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02-05-2010, 03:15 PM #10
I also use the stage 8 bolts. the way i look at it, its cheap insurance, against worrying about the bolts backing out. when we spend what we do on these cars whats 30 more dollars for nice stainless bolts and locks.
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02-05-2010, 03:22 PM #11
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02-06-2010, 06:14 AM #12
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02-06-2010, 06:44 AM #13
I tried to put a slight bend in them so that the circlip would put pressure against the tab -- but that did not work as planned. We'll see what happens as I backed them off maybe 1/16 to 1/8 of a turn at most to make contact. I used new GM gaskets so I hope they'll be ok.
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02-08-2010, 02:25 PM #14
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- Feb 2006
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- Orange County, NY
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always dirty- 2013 Ram 2014 Caddy ATS
They make these also. http://www.jegs.com/i/Percy%26%23039...21008/10002/-1
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02-08-2010, 06:51 PM #15
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02-08-2010, 07:28 PM #16
I used the locking stage 8 bolts when i did my headers. I just bent the tabs over on a few that were not against the tubes. so if they backed off they would hit on the flange. I dont drive mine a lot but it seems to be working.
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