I may be wrong(someone correct me if so)...but from what i learned this last year...the center carrier/or the housing is made diferent for the higher geared (lower numerical ##)ratio ring/pinion to fit. Hope i said it as i meant?On January 14, 2005 Marty Bricker wrote: > I need a 3.54 rear end to take advantage of the cam I > want to use in a 401 buildup I'm doing. There are a > couple of sets listed on Ebay but they say they will > not fit a rear end with 2.87 gears. I broke out my 74 > TSM and I'm really confused now. Under 'Axle and > Propeller Shaft' it lists the 2.87 ratio rear end as > having the same size gear (8-7/8") as the 3.15 and > 3.54. In the 'axle ratio availability' chart for a > 304 engine (original one in my Jav/AMX) with a 998 > tranny it lists the 2.87 as standard and the 3.15 as > optional with a 8-7/8 axle. It also lists the 3.15 as > standard and the 3.54 as optional with the same tranny > and axle for the Matador and Ambassador. All of the > listings for a 3.15 as standard have the 3.54 as > optional and all are with the same 8-7/8 axle. To me, > it would follow that if a 3.15 is optional and will > replace a 2.87 and a 3.54 is optional and will replace > a 3.15 then a > 3.54 will also replace a 2.87. Someone please explain > the error of my logic...ie,what is the difference? > Thanks. > Marty > > > > > __________________________________ > Do you Yahoo!? > Yahoo! Mail - You care about security. So do we. > > http://promotions.yahoo.com/new_mail > > > . ============================================================= Posted by wixList Archiver -- http://www.amxfiles.com/wixlist