B Series OEM Rod Bolt Stud Thread Pitch?

 
Old 07-25-2018, 10:07 AM
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Default B Series OEM Rod Bolt Stud Thread Pitch?

Anyone know off hand what thread pitch the oem connecting rod studs are for B series rod studs? Much appreciated...
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Old 07-26-2018, 10:31 AM
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Default Re: B Series OEM Rod Bolt Stud Thread Pitch?

Knowing Honda, I would guess 1.25 metric.

Unfortunately I only have D series at home to measure.
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Old 07-27-2018, 06:41 AM
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Default Re: B Series OEM Rod Bolt Stud Thread Pitch?

The d series may be the same. It's definitely not 1.25. It's finer then that. Wish I had a die that was close...
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Old 07-27-2018, 07:48 AM
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Default Re: B Series OEM Rod Bolt Stud Thread Pitch?

I will check tonight when I get home. My tie and tap set has the thread pitch measuring tools for both SAE and Metric. I will let you know the D-series findings, which might be 1.20 if it's not 1.25.

I'll be able to give you more definitive information this evening assuming I remember (I should).
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Old 07-27-2018, 09:52 PM
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Default Re: B Series OEM Rod Bolt Stud Thread Pitch?

I didn't answer before because I wasn't sure... but I "think" it is 1.00 pitch. I just haven't had a chance to measure one to be positive.
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Old 07-28-2018, 09:01 PM
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Default Re: B Series OEM Rod Bolt Stud Thread Pitch?

And of course I forgot until seeing the thread just now.

I also forgot just how fine the threads are on the rod bolts until I just went to measure it.

D series rods OEM is 0.75 thread pitch metric.
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