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August 08, 2004
That's the foolproof but difficult way; the easy way is to look for the
stamped markings - either the ratio itself or the part number. I think this
is on the outside of the casing for the diff assembly. The crownwheel (ring
gear) and pinion sets are also marked with their own part number :-
ATA 7326 and BTA 550 are the 4.2 diffs from early and late cars
respectively. ATA 7266 and BTA 539 are the respective CWP sets
BTA 1222 is the 3.9 diff, BTA1223 is the 3.9 CWP
BTA 551 is the 3.7 diff from later 1500 cars, BTA 535 the CWP
It is just possible that a different CWP has been put into a particular
casing so these numbers might not tie up.
One thing to watch out for is the location of the fillers and beather
vents - these changed over the years, so be careful you don't end up with
the wrong combination or you won't be able to fill it with oil!
David
"David Jacobs" < mail@... > 33382
Posted on August 8, 2004 01:20 AM
Posted to category(s) Drive Train | Engine (external) | Engine (internal) | Gauges | Lubrication System | Transmission
