Thread: LT95 T/F ratios Stg1/110/Isuzu

Stage1 were 1.3xx :1. Both V8 and Isuzu are identical apart from bellhousings.

Steve

Diana I cannot remember the actual ratios but what I do remember is that the latest LT95 RRC were the highest (.9xx) along with the Isuzu engined LT95s. At the other end of the scale was the Stage 1 V8s having the lowest ratios (1.3???). In between was the 101 and other RRCs. I have no idea about the County V8 LT95 but I assume the same as the Stage 1 V8.

Garry

This hard to read doc may also be of assistance. You might have to save and zoom in.



Also found something that lists

109 (Stage 1)/110 (County) V8 1.336:1
101 1.174:1
RR 1.113:1
RR 1.230:1
Late RR 0.996:1
109/110 Diesel 0.996:1

Overdrive 0.782:1

Garry

(BTW: I'm also still not certain what LT230 ratio sits behind a LT85 Isuzu) [QUOTE]

Fairly certain the LT230 transfer on my Isuzu is 1.003:1

Originally Posted by AdsLandies

(BTW: I'm also still not certain what LT230 ratio sits behind a LT85 Isuzu)

Yep, 1.003:1

Originally Posted by AdsLandies

Originally Posted by Lotz-A-Landies

((BTW: I'm also still not certain what LT230 ratio sits behind a LT85 Isuzu)

Fairly certain the LT230 transfer on my Isuzu is 1.003:1

That's a big jump from the 1.41:1 of the V8 County?

Still I think the Disco 1 ratio 1.211:1 may be an appropriate option for the weight of the 6X6. Will track down a 1.003:1 (shame I swapped one recently)

Originally Posted by Lotz-A-Landies

That's a big jump from the 1.41:1 of the V8 County?

Still I think the Disco 1 ratio 1.211:1 may be an appropriate option for the weight of the 6X6. Will track down a 1.003:1 (shame I swapped one recently)

Every isuzu powered 4x4 landie I have ever seen has been fitted with 0.996 (4-speed) and 1.003 (5-speed).

There are reports of some 110s leaving the factory with 1.22:1 LT230s, but I have never seen one.

A mate of mine has a 1991 model isuzu 110 which also had a 1.003 before the PO replaced it with a disco 1.22 case.

I have swapped to a 1.21 Disco Q-case, however I run 33's, and I am contemplating swapping back to a 1.003.

For a 6x6 you may want to look at the perentie 6x6. I believe they run a 1.1(?) t-case AND 4.7:1 diffs.

Originally Posted by isuzurover

<snip>
For a 6x6 you may want to look at the perentie 6x6. I believe they run a 1.1(?) t-case AND 4.7:1 diffs.

Hi Ben

If I run the current 3.54 and a 1.211:1 ratio LT230 my final drive comes out to 4.287:1 so a little taller than the Perentie 6X6, so worth a trial and I can still play around with tyre sizes before changing diffs or ratios.

Still I have to confirm my diffs currently ARE 3.54:1!

BTW 3.54:1 over the Defender ratio 1.41:1 gives a final drive of 4.99:1 present in most Defenders