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First of, Great site. A place I have always wanted to visit.
Now the problem, I have a scout with an sd33t and am trying to find some options for trannys. I have a four speed hooked to an SAE #4 bellhousing. What is in your trucks?? Picks please!! Is there a five speed that could go that engine?? Any gear ratio info??
I am also looking for info with your style of sd33t and the larger 4.2L engine. As I understand it, your engines had many updateds that we did not see here. Our last year for the engine was 1980.
Thank you for your time, Oiler
making the world smell better every time I start my truck
Two gearboxes were allicated to the MQ Patrol, the F4w81A ( 4 speed) or the FS5W81A (5 speed) ratios are as follows...
F4W81A
4th..........1.000:1
3rd..........1.449:1
2nd..........2.157:1
1st...........3.519:1
Reverse....4.181:1
FS5W81A
5th..........0.825:1
4th..........1.000:1
3rd..........1.440:1
2nd..........2.370:1
engine with turbo
1st..........3.897:1
Reverse...4.267:1
engine without turbo
1st..........4.222:1
reverse...4.622:1
Two transfers are also availiable, the T130A and the T100L
Ratios are......
T130A
High.........1.000:1
low...........2.220:1
T100L
high..........1000:1
low...........2.074:1
The T130A is installed on both the 4 & 5 spd boxes
The T100L is installed ONLY on the 4 spd boxes fitted to the "ute or canvas top" models.
hope this helps
[color=blue][size=150][b]And your cry-baby, whinyassed opinion would be.....? [/b][/size][/color]
That does help alot. How tuff are those five speeds and the t case to go with it?? Are lower gears offerd for the transfers? What bellhousing pattern is used? Is there a place to go and purches a used box in good condition??
Thanks, oiler
making the world smell better every time I start my truck
Both the 4spd & the 5 spd are pretty tough boxes as are both transfers. Quite a few 4X4's have been repowered with much larger motors,IE: 350 chev, 400 chev, 351 ford (pos !) god I hate plords ! The drive train has handeld it well.
I have seen the earlier boxes (pre1980) fall apart under load from the stock motor, throttle abuse was a factor in that too !
As for lowergearing...... how low do you want to go, "rockcrawler" gears are readily availiable and are relativly simple to change. forget all about road speed tho !!!
Availibility of the 4 spd box is easy while the 5spd is somewhat hard to find but certainly not impossible, rebuilding either boxes is a fairly simple task for some-one that has a few mech skills, takes about a day from go to wo and the bearings cost around the $160.00 aud for the box and add around the $80.00 aud for the transfer bearings.
The biggest differance between the petrol motor and diesel motors is the location of the gearbox/transfer, in the diesel powered patrol the geagbox/transfer sits 3 inches further back than the petrol combination, the firewall is usually "massaged" to allow the fitting of say a V8 chev to a diesel unit with some addaptor kits while other kits compensate for this difference.
hope this helps
[color=blue][size=150][b]And your cry-baby, whinyassed opinion would be.....? [/b][/size][/color]
Oiler
