"Jim Miller WB5OXQ" <wb5oxq@grandecom.net> wrote:
: I am curious what he is trying to do. If he has a 4X4 it must have a low
: range and with a 4.56 it must top out at about 2 mph. You will never get
: the spedo to work right anyway.
Yep, Tony is right - I'm looking to minimize effective gear ratio
loss due to larger tires. I think one of the core rules off
off-roading is that too much gear is never enough. ;-) My Ram
came stock with 3.54s and (approx) 29" tires. If I put 35s
under it, it would be the same as if I left the tires alone and
swapped to 2.92s. By swapping the gears out for 4.56s (and using
the opportunity to get a locker in the rear) ;-) it would be as
if I upgraded my 3.54s to 3.77s. This is why I was looking for
even shorter gears. 3.77 is better than 3.54, but if I was to find
something around 5s, my "effective rear end ratio" would be a
more off-roading friendly 4.10 or so, while still being manageable
on the highway. Also, with a little 318 Magnum for motivation,
this truck can use all the gear it can get on the highway. :-)
Considering that Dodge offered gear ratios up into that 4.10
range, I'm fairly certain there is a speedo gear that would be a
fairly close match; if not, the signal can probably be
electronically altered.
---Jon-
.---- Jon Steiger ------ jon@dakota-truck.net or jon@jonsteiger.com ------. | I'm the: AOPA, DoD, EAA, NMA, NRA, SPA, USUA. Rec & UL Pilot - SEL | | 70 Cuda, 90 Dak 'vert, 92 Ram 4x4, 96 Dak, 96 Intruder 1400, 96 FireFly | `------------------------------------------ http://www.jonsteiger.com ----'
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