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okay, i have a question or more a topic that i
would like to hear peoples opinions on...
i have an FJ20DET 1600. currently i am
running a R180 3.9:1 open diff.
i am about to go and get this welded up so that i
have some sort of traction.
but in my shed i have a couple more diffs one being
an R180 3.354:1 open.
has anybody got some ideas as to which would be
better to use. i drive it
to work and back don't do any highway driving and
if i did i don't care about the
higher revs the 3.9 produces at cruising speeds.
but i read a week or so ago on
the list someone mention that the lower ratios
(3.5, etc) were a better diff for the
FJ20. why is this? is it due to the torque
band or holding the turbo on boost for
longer in each gear?
i will be taking the 1600 down to the motorplex for
some drags to keep my speed
addiction satisfied so what ratio would be more
suited? and would i be correct
in saying the 3.9:1 would be a better ratio for
circuit racing/hillclimbs etc.as i would
ideally like to get into that. or should i go
shopping for 4.44 or 4.85....?
ryan
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