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Old 09-19-2015   #2
Dynomite
 
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Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,788
Default Re: Missing Header Bolt Size?

Quote:
Originally Posted by BlackZR1 View Post
Good Evening guys,
What size is my missing header bolt? Looks like an M8 x 1.0 (fine thread) but I tried a coarse and fine thread and neither wants to start.

I also notice that the bolt below has a collar (like a 3/4" long spacer) on it. What is the purpose of the collar? Is this a special bolt?

For extra credit, what size is the small bolt that secures the aluminum cover over the throttle cables at the throttle body? The 2 nuts on the side are 4mm. My missing small bolt in front seems like it should be a 4 mm, but I tried a 4 mm and it didn't want to go.

Thanks,
Roger
Header Bolt is 8mm x 1.25

Exhaust Headers Locking Bolt Tricks

I think the original accelerator cable clip screw....is a screw thread.....I think I just tapped those for a couple SS Allen Head bolts (I think 4 mm with a pitch of .70 same as TB Coolant Cover).
accelerator cable clip screw

Last edited by Dynomite; 09-20-2015 at 04:05 AM.
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