Pinion Question

kvaught · 12-16-2004, 04:13 PM

I have a quick question for ya, I had a buddy of mine install my ring and pinion for me and when he was installing them he some how messed up the pinion threads so you can not get the nut on, is there anyway that it can be fixed or do I have a 200.00 set off worthless gears on my hands?

Rev · 12-16-2004, 05:00 PM

I would take it to a machine shop that has a good assortment of taps and dies. They may be able to clean up the threads if they are not too badly mangled. That would be my first effort, anyway.

Rev

Jeff Chambers · 12-16-2004, 09:02 PM

You'll need a 3/4-20UNEF (extra fine) die to chase the threads. I've had this happen before myself. The die is not easy to find, but if you have a machine supply warehouse nearby, they should have or be able to get it for you.

kvaught · 12-16-2004, 10:47 PM

Thanks for the info guys I will look it to it tomorrow.

12-16-2004, 04:13 PM	#1
kvaught Registered Member Join Date: Jun 2003 Location: Fairfield, Ohio Posts: 22	Pinion Question I have a quick question for ya, I had a buddy of mine install my ring and pinion for me and when he was installing them he some how messed up the pinion threads so you can not get the nut on, is there anyway that it can be fixed or do I have a 200.00 set off worthless gears on my hands?

12-16-2004, 05:00 PM	#2
Rev Registered Member Join Date: Nov 1998 Location: Houston, Tx. Posts: 3,887	Re: Pinion Question I would take it to a machine shop that has a good assortment of taps and dies. They may be able to clean up the threads if they are not too badly mangled. That would be my first effort, anyway. Rev __________________ '66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi. O.B.C. #2 '66 coupe

12-16-2004, 09:02 PM	#3
Jeff Chambers Moderator Join Date: Aug 2000 Location: Milan, OH Posts: 2,699	Re: Pinion Question You'll need a 3/4-20UNEF (extra fine) die to chase the threads. I've had this happen before myself. The die is not easy to find, but if you have a machine supply warehouse nearby, they should have or be able to get it for you. __________________ Jeff Chambers 1990 Mustang GT 10.032 Seconds / 137.5 MPH 14-time Street Warrior World Record Setter CRT Performance 2001 Tropic Green Mustang GT - 12.181 / 113.2 MPH 2002 Ford F-250 Crew Cab 7.3l Power Stroke - 17.41@77.2 "There's nothing boring about a small block automatic shifting gears at 9400 rpm!"

12-16-2004, 10:47 PM	#4
kvaught Registered Member Join Date: Jun 2003 Location: Fairfield, Ohio Posts: 22	Re: Pinion Question Thanks for the info guys I will look it to it tomorrow.

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