The Ford Barn

Phil Gillespie · 04-17-2013, 02:57 AM

Have changed out a 21 tooth unit,turtle, with a 19 tooth unit turtle to raise speedo mph readings. Too low.

Can an 18 tooth gear be exchanged into to 19 tooth housing?
Or do I require an 18 tooth housing?

Thanks,
Phil
NZ

Mac VP · 04-17-2013, 05:14 AM

Although the 18t housing would have the "18" mark on it, I believe the two housings are the same size inside and out.

Phil Gillespie · 04-17-2013, 06:08 AM

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Quote:

Originally Posted by Mac VP

Although the 18t housing would have the "18" mark on it, I believe the two housings are the same size inside and out.

Thanks for that as I have on hand then18 Tooth Gear.
Phil
NZ

04-17-2013, 02:57 AM	#1
Phil Gillespie Senior Member Join Date: Sep 2011 Location: Christchurch New Zealand Posts: 1,611	Speedo Gear Drive Exchange Have changed out a 21 tooth unit,turtle, with a 19 tooth unit turtle to raise speedo mph readings. Too low. Can an 18 tooth gear be exchanged into to 19 tooth housing? Or do I require an 18 tooth housing? Thanks, Phil NZ

04-17-2013, 05:14 AM	#2
Mac VP Senior Member Join Date: May 2010 Location: Cincinnati, OH Posts: 1,361	Re: Speedo Gear Drive Exchange Although the 18t housing would have the "18" mark on it, I believe the two housings are the same size inside and out. __________________ VANPELT SALES LLC Cincinnati, Ohio Office: 513-724-9486 www.vanpeltsales.com www.classictransmission.com