4 cyl gearbox into a 6 cyl series.

During stardate Thu, 13 Oct 2005 08:35:48 +1000, "Samuel" uttered the imortal words:

I think the bell housing is the main difference. So if you bolt the bell housing off the 6 cyl gearbox to the 4 cyl gearbox then the 4 cylinder gearbox should be in the correct place.

I also have a vague recollection of the 6 cylinder having high ratio gears. I can't recall if this is the box or just the transfer gears but I'm sure an expert will pop up...

Lee D

-- Success is going from failure to failure without a loss of enthusiam. Winston Churchill

thanks Lee.

so the casings and all the transmission to chassis mounting points are the same between the 4 and 6 cylinder?

just want to be absolutely sure before i go buying big gearboxes that are not going to be any use.

Sam.

The gearbox mounts are in a different place on the chassis - gearboxes are identical (including ratios) except for the bell housing, unless it is a One Ton, in which case the transfer case is different. I'm pretty certain the mounting brackets (on the t/c) are the same for six and four, but if they are not you can easily swap them on your existing box. JD

Six-pot gearbox moutings are in a different place to 4-pot. The gearbox x-member which carries the mountings is further back, to accomodate the longer engine. The propshafts are correspondingly different lengths. If you fit a 4-cylinder then you have two options.

1. remove the engine mounts and fit 4-cylinder engine mounts in the correct place for a 4-pot, and move the gearbox x-member forward to accomodate. The engine/gearbox will then be in the same place as an original 4-clyinder. This will also necessitate fitting 4-clyinder propshafts.
2. leave the gearbox x-member in place, and weld the 4pot engine mounts onto the chassis in the place where the 4-pot will sit once it is fitted. The engine will be further back in the chassis than normal, which will mean you have to retain the 6-pot bulkhead but can also keep the 6-pot props.

Alex

During stardate Thu, 13 Oct 2005 22:39:31 GMT, Alex uttered the imortal words:

Take more water with it Alex ;0) The OP is swaping the box not the engine :0)

But sound advice for anyone sticking a 4 pot in a 6 pot hole none the less.

Lee D

-- Success is going from failure to failure without a loss of enthusiam. Winston Churchill

Whassat then?

:D

Alex

Alex

alright fellas, no need to fight. anyway, thanks for the advice. the main thing i wanted to know is wether the different position of the transmission was achieved by a modified chassis, or a modified g/box. and from what i can gather is it's a different chassis. so the 4 cylinder transmission will bolt directly into the 6 cylinder chassis, regardless of wether or not the motor can.

Thanks guys.

Sam.