gearbox guru's see here - Saxperience

blackie_2k5 · 28th December 2011, 22:09

right ppl, is it possible to run a vtr 5th in a vts box...

if so what will the result be using the vts final drive?, i want a closer box but would like to keep the vtr top end as i cant rev the R engine as high... so the S box would be shit on the motorway with my set up and top out far too early

i dont proclaim to know too much in regards to gearboxes

, but know its possible on some boxes to do similar... can you do it on the MA boxes?

much love

saxo-parts · 28th December 2011, 22:13

can't see why not as 5th gear is seperate on both the mainshaft and layshaft, sure theres someone who knows more about the internals of gearboxes then i do, i've never got into swapping gears for different ratios,just standard ones.

blackie_2k5 · 28th December 2011, 22:17

cheers jason

this is why i need help

, i can strip and rebuild boxes, but ive not touched a saxo box inside yet, and know its not possible on alot of other boxes, but im sure ive read ppl changing gears on here before....

its just what result will it have with the vts final drive being different..if indeed its possible

saxo-parts · 28th December 2011, 22:25

well the centres between the mainshaft and layshaft are the same throughout the range so i'd guess that the gears would be interchangeable, i've got an S box at work thats got 5th gear set missing, if i can find a vtr gearset i'll try it

saxo-parts · 28th December 2011, 22:26

as for gearing surely it'll just give the S type of acceleration then a vtr cruising speed? is the S and VTR final drive the same ratio?

dannygti · 28th December 2011, 22:27

5th gear is interchangable, I'm not sure on gearing. There are lots of calculators on the Internet so easy enough to work out

saxova · 28th December 2011, 22:28

Ive always wanted to put a vtr 5th in my 1.1 box.

http://www.suzukituning.com/PSA/MA5%...r%20change.htm

Tells you how to do it =]

blackie_2k5 · 28th December 2011, 22:35

Cheers for the info lads, Jason that would be amazing if you could, I see know reason it can't be done, and by my theory it should be just as you describe..... better acceleration with the same top end

But can't help thinking there is something missing :/

blackie_2k5 · 28th December 2011, 22:45

Saxova I did thank you but i must have ran out :/

saxova · 28th December 2011, 22:46

Haha, don't worry

tweeqd · 28th December 2011, 22:52

all the gears in MA boxes are iterchangeable, even the 4 speed ones but they have a shorter main shaft so cant take a 5th

there isnt a lot of difference in 5th gears its the FD that makes most of the difference in these boxes

blackie_2k5 · 28th December 2011, 22:55

Balls.... I had a feeling this would be the case Martin

tweeqd · 28th December 2011, 23:02

why do you think i went BE

saxo-parts · 28th December 2011, 23:04

Quote:

Originally Posted by tweeqd

why do you think i went BE

i thought you'd fitted a BE as you kept busting chocolate gearboxes and shafts lol.

blackie_2k5 · 28th December 2011, 23:05

BE is much greater expense

they have all the good ratio boxes though lol

tweeqd · 28th December 2011, 23:10

BE isnt that expensive, mine cost me £250 fitted

ive only broken one MA and that was years ago on my tuned GT engine
i did over 10k with 200 lbs/ft and never had a problem with my box (rebuilt VTR with ATB)

the reason i went BE was to see if i could and the greater selection of gears and FD's

monka · 28th December 2011, 23:12

although the 'main' gearbox's are relatively the same, with the main differences being in the final drives, the vtr does have a different, longer 5th than any other gearbox (though the same as a diesel box), i believe it makes about a 500rpm difference in speed on the s1 rallye box's, but no idea how much of a difference on a vts/gti box, though there would be some, it wont be the same as a vtr

blackie_2k5 · 29th December 2011, 08:25

Cheers lads, itscthe cost off a diff on top though Martin lol

VR6Boki · 29th December 2011, 15:26

5-th gear on VTS gearbox is 0,850, and on VTR is 0,767, also Final Drive on VTS is 3,9 and on VTR 3,7, so it'd big difference.

wicked-vtr · 29th December 2011, 16:15

Quote:

Originally Posted by monka

although the 'main' gearbox's are relatively the same, with the main differences being in the final drives, the vtr does have a different, longer 5th than any other gearbox (though the same as a diesel box), i believe it makes about a 500rpm difference in speed on the s1 rallye box's, but no idea how much of a difference on a vts/gti box, though there would be some, it wont be the same as a vtr

Untrue, not all vtr boxes do. I bought a vtr fifth to fit in my 1.4 xsi box, when i came to counting teeth I found the fifth from the vtr, vts box i took off and xsi box where exactly the same.
Talking to adsayer, I've been informed some of the vtr boxes have the same fifth as the other 'sports' boxes, some of the 1.1 fifths will provide a longer gear. Pm Barry123 (adsayer) as he knows more than me on the subjects