Throttlebody-to-plenum bolts????
Thread Starter
Melting Slicks
Joined: Oct 2000
Posts: 2,019
Likes: 2
From: Na
Throttlebody-to-plenum bolts????
Does anyone remember the size of these bolts off hand. If I recall they are either 8mm or 10mm X 75. I'm installing a Nitrous fogger plate and I will need longer bolts (can't find my old ones to match the size). Also regular hex head bolts won't work with my BBK TB, I will need allen head bolts for the clearance. Anyone know a place to order them from? I am thinking I will need a 90mm bolt to compensate for the fogger plate.
Race Director
Joined: Sep 2000
Posts: 17,298
Likes: 33
From: The Top of Utah
Sorry to be so late. My parts book calls for "M8x1.25x70", for 1985 through 1989. It lists the size in parenthesis. Before it has, "Hfh" and after, "9.8 Por". It looks like this, "Hfh(M8x1.25x70)Por". I have had good luck with nuts and bolts at Lowe's Home Centers.
RACE ON!!!
RACE ON!!!
Race Director
Joined: Jan 2004
Posts: 18,724
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From: Bergen County, NJ
Originally Posted by CFI-EFI
Sorry to be so late. My parts book calls for "M8x1.25x70", for 1985 through 1989. It lists the size in parenthesis. Before it has, "Hfh" and after, "9.8 Por". It looks like this, "Hfh(M8x1.25x70)Por". I have had good luck with nuts and bolts at Lowe's Home Centers.
I needed to run a tap on my '88 plenum, the size was 8mm-1.25mm.
Team Owner
Joined: May 2002
Posts: 24,337
Likes: 25
From: San Diego , CA Double Yellow DirtBags 1985..Z51..6-speed
Yup, M8x70mm, 1.25mm thread pitch. 10mm hex flange head, partially threaded.
I've got all the bolt sizes for the TPI memorized, after piecing together boltkits.
I've got all the bolt sizes for the TPI memorized, after piecing together boltkits.
