Help: I can't find an m8x1.75 bolt for my ecu ground.
As the title states, I can't find an m8x1.75 bolt anywhere to redo my ecu ground. (I don't have the original one to clean either, as my ground was relocated by a PO.)
I've been following Aaron Cake's "propper grounding procedure" write up, as my car is not reving properly. Thank you. |
I'm thinking that's a misprint/misread because a normal 8mm bolt would be 1.25 pitch.
1.75 would be very coarse. |
I was hoping so, but I figured that Aaron would have caught it after this post that he replied to.
https://www.rx7club.com/2nd-generati.../bolts-994917/https://www.rx7club.com/2nd-generati.../bolts-994917/ |
Boogie
If you take a picture of which ground location you are referring to, I will try to find/grab you the correct one Rikk |
Thank you so much, Rikk! I'll be sure to take and post one immediately after class.
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If in fact, it is an 8mm bolt (most of the other grounds I recall are 6mm), I bet it's 1.25 pitch. What would be the point of using a super weird bolt just to hold a ground?
I guess we'll find out soon. |
Originally Posted by clokker
(Post 11873597)
If in fact, it is an 8mm bolt (most of the other grounds I recall are 6mm), I bet it's 1.25 pitch. What would be the point of using a super weird bolt just to hold a ground?
I guess we'll find out soon. Luckily the other grounds were 6x1! I guess Mazda just wanted throw a curveball. |
The bolt is the same M8 x 1.25 bolt as used throughout the car. For example, any of the bolts holding down the intake manifold will fit the hole.
I made a mistake when saying it is 1.75. I will update my writeup and have made a note to do so. Sometimes these things happen. |
God really is dead.
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Originally Posted by Aaron Cake
(Post 11873634)
The bolt is the same M8 x 1.25 bolt as used throughout the car. For example, any of the bolts holding down the intake manifold will fit the hole.
I made a mistake when saying it is 1.75. I will update my writeup and have made a note to do so. Sometimes these things happen. |
did you not even TRY to thread a bolt in before going on a quest to find a mythical m8 x 1.75 bolt?
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Originally Posted by boogieonfunkyreggae
(Post 11873622)
Hopefully it is a 1.25! I was wondering that same thing-- my only speculation would be that the finer pitch would cause more surface area to touch, but that's just me hypothesizing/bsing.
The pitch- in this example, 1.25mm- is the distance between thread crests, so a 1.75 pitch bolt would be coarser, not finer. Bloody Yurpeons screwed up everything. |
Originally Posted by sp0ngebob
(Post 11873679)
did you not even TRY to thread a bolt in before going on a quest to find a mythical m8 x 1.75 bolt?
Thanks for your input as it was absolutely a great contribution... talk about useless posts... Would an admin please close this thread as the issue has been resolved. Thank you. |
Originally Posted by clokker
(Post 11873688)
That would be an excellent hypothesis/theory if that's how metric hardware nomenclature worked...but it's not.
The pitch- in this example, 1.25mm- is the distance between thread crests, so a 1.75 pitch bolt would be coarser, not finer. Bloody Yurpeons screwed up everything. |
Originally Posted by boogieonfunkyreggae
(Post 11873692)
Ahhh, that makes sense! Well the positive aspect of this speedbump is that I'm now more adept with bolt knowledge!
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Originally Posted by clokker
(Post 11873810)
And there's so much more to learn before becoming an internet pedant such as I and the bane of your friends existence.
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Originally Posted by clokker
(Post 11873645)
God really is dead.
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I've corrected my website. All is right with the world.
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Yes, the Force is calm again.
Aaron must have regrounded it. |
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