N nugget68 Member Sep 26, 2005 362 3 19 Mar 11, 2010 #1 Mar 11, 2010 #1 Im getting ready to swap in a WC T5 from a fox body, currently a C4. I am running 255 40 17 rear (25.05 inches) and 225 45 17 front (24.97 inches). What speedo gear do i need?
Im getting ready to swap in a WC T5 from a fox body, currently a C4. I am running 255 40 17 rear (25.05 inches) and 225 45 17 front (24.97 inches). What speedo gear do i need?
rbohm Founding Member Apr 12, 2002 6,698 550 204 tucson,az Mar 11, 2010 #2 Mar 11, 2010 #2 what rear end gear are you using?
N nugget68 Member Sep 26, 2005 362 3 19 Mar 11, 2010 #3 Mar 11, 2010 #3 o yea, sorry...right now it is 3.00:1...
woodsnake 15 Year Member Jan 16, 2007 1,352 15 69 Hicksville, NY Mar 12, 2010 #5 Mar 12, 2010 #5 Speedometer Driven Gear Calculator at West Coast Classic Cougar :: Specializing in 1967, 1968, 1969, 1970, 1971, 1972, and 1973 Mercury Cougars
Speedometer Driven Gear Calculator at West Coast Classic Cougar :: Specializing in 1967, 1968, 1969, 1970, 1971, 1972, and 1973 Mercury Cougars
rbohm Founding Member Apr 12, 2002 6,698 550 204 tucson,az Mar 12, 2010 #6 Mar 12, 2010 #6 assuming it is an average C4 with 7 drive teeth for the speedo gear, you need a 17 tooth driven gear.
assuming it is an average C4 with 7 drive teeth for the speedo gear, you need a 17 tooth driven gear.