Fitting renault espace un102 gearbox from espace v6

[James Taylor]

Just wondering if anyone has any info, im looking at buying UN102 gearbox from a espace v6.
Will it be strong enough for a 21 turbo?
And are the ratios totally different, and will it spoil the drive of a 21 turbo?

 

[andybond]

@DaveL485

 

[James Taylor]

We know the bell housing is different and we know the ratios are different, what we are asking is will the gearbox be strong enough and will the different ratios spoil the drive of the 21? or will it be unnoticable

 

[ren5gord]

Looking at the ratios, 1st to 4th are the same 5th is a bit higher but the diff is shorter than the 21T.

So its going to be lower geared 1st to 4th and about the same in 5th.
The torque produced by both the 21T and espace are about the same so i didnt see why it would break.

 

[DaveL485]

Looking at the ratios, 1st to 4th are the same 5th is a bit higher but the diff is shorter than the 21T.

So its going to be lower geared 1st to 4th and about the same in 5th.
The torque produced by both the 21T and espace are about the same so i didnt see why it would break.

The 2nd and 3rd gears are strengthened in the Type 13 (21T box). Yes, bellhousing is different too, and in all cases I have seen the tube that carries the primary shaft is also a different length for the different bellhousing. The diff and ratio's vary too but it's not the end of the world.

It'll probably fit, but it's not ideal.