Jump to content
HybridZ

Thread size of exhaust studs on P79


280zx 2by2

Recommended Posts

I was wondering what are the specs on the exhaust studs specifically the thread size...

 

all i know so far is that they are 8mm (that's what i have read from my MSA receipt)

 

i ask this because my 2 outside exhaust port bolt heads popped off at some point and time and i couldn't get one of the bolts out and i am just going to rethread it and i don't know what size tap to get...

 

thanks :)

Link to comment
Share on other sites

Drill the thread a bit bigger, then thread the new thread with the included 'drill' and then install the helicoil.

 

thread.jpg

 

It's fairly straight forward, you might want to practice on something else first hah.

I was really nervous the first time I did it. It was my only P79 head and I couldn't just go throw my N42 or N47 on the block, it's a flat top motor.

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
×
  • Create New...