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speedo pinion gear #1740068 01/27/15 12:05 PM 01/27/15 12:05 PM
Joined: Oct 2009 Posts: 217 Owosso, Michigan S stateroadhog OP enthusiast
stateroadhog OP enthusiast S Joined: Oct 2009 Posts: 217 Owosso, Michigan	okay according to chart with 4.10 gears and BF goodrich 275-60-15 tires that are suppose to be 28 inches tall I need a 38 tooth gear. When I actually measure tire I get 27.5. Again according to chart a 27 inch tire would use a 40 tooth. So I guess my question is would I use a 39? Thanks

Re: speedo pinion gear [Re: stateroadhog] #1740069 01/27/15 12:57 PM 01/27/15 12:57 PM
Joined: May 2003 Posts: 15,487 Florida S scratchnfotraction I Live Here
scratchnfotraction I Live Here S Joined: May 2003 Posts: 15,487 Florida	when you type it in to the calculator in the archives it comes out 38.40 so a 38 gear is needed. it shows tire size as 27.99

Re: speedo pinion gear [Re: scratchnfotraction] #1740070 01/27/15 01:09 PM 01/27/15 01:09 PM
Joined: Jul 2007 Posts: 11,836 Florida M mopar346 Let me tell ya about fat chicks!
mopar346 Let me tell ya about fat chicks! M Joined: Jul 2007 Posts: 11,836 Florida	Use a 38 and check it against a measured mile, chances are you will be very close, rim width can change tire hiegth to a degree. Careful, your character's showing!

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