Vts engine Vtr gearbox

  1. #1
    hiya chaps, planning a vts conversion was just wondering if i kept my vtr gearbox if it would set off like a rocket with the vts lump but be slower top end as im not fussed about top end. Thanks tom
  2. #2
    other way round mate
  3. #3
    what my vtr engine with a vts box do u mean pal
  4. #4
    vtr box has the highest diff ratio
    therefore you will get a higher top speed
    and less get up and go
  5. #5
    have a vts box aswell
  6. #6
    dont get me wrong it wont be slow with an 'r' box but 0-60 will be reduced as you need to select third to hit 60, in an 's' you dont
  7. #7
    buy a vts lol
  8. #8
    Quote:
    Originally Posted by Roy-VTS View Post
    dont get me wrong it wont be slow with an 'r' box but 0-60 will be reduced as you need to select third to hit 60, in an 's' you dont
    No mate.

    You'll hit nearly 70mph in second gear (with a VTS engine limit) using a VTR box. The reason the acelleration will be slower is because of the lower final drive compared to the VTS box, which has a much higher final drive.
  9. #9
    Quote:
    Originally Posted by pepper953 View Post
    vtr box has the highest diff ratio
    therefore you will get a higher top speed
    and less get up and go
    what is the ratio of it btw?
  10. #10
    VTS FD = 3.938
    VTR FD = 3.765

    VTR box = slower acceleration, higher top end (as long as you have the power to get there)
    VTS box = faster acceleration, lower top end


    But as shown on another forum recently - the gearbox won't make a huge amount of difference to the time it takes you to reach a set speed (0-60) or a set distance (1/4 mile)
  11. #11
    thanks chaps
  12. #12
    another quick question. i have a 2000 mk2 vtr with the silver top, will a 03 plate vts engine have the same plug ecu as mine.
  13. #13
    Quote:
    Originally Posted by Toad View Post
    No mate.

    You'll hit nearly 70mph in second gear (with a VTS engine limit) using a VTR box. The reason the acelleration will be slower is because of the lower final drive compared to the VTS box, which has a much higher final drive.
    oh rite fair enuff my understanding was that no matter what engine you had in the car you gearbox would ultimately decide when you had to change gear (i know it sounds silly) eg a 1.1 with a 1.1 gearbox would change gear at the same revs as a vts with a 1.1 gearbox. My understanding was you couldnt hit 60 in a vtr in second???? maybe its my mistake though lol
  14. #14
    Quote:
    Originally Posted by Roy-VTS View Post
    oh rite fair enuff my understanding was that no matter what engine you had in the car you gearbox would ultimately decide when you had to change gear (i know it sounds silly) eg a 1.1 with a 1.1 gearbox would change gear at the same revs as a vts with a 1.1 gearbox. My understanding was you couldnt hit 60 in a vtr in second???? maybe its my mistake though lol
    Well the VTR has a limiter of around urrrrrrmmmm i dunno its late so if this is wrong then - but i think;

    VTR has limiter at around 7250rpm but the VTS has a limiter of around 7850rpm.

    And iirc in a VTR in 2nd on the limiter you do 59mph (even if the speedo shows 65 lol).... so those extra few revs make alllll the difference.
  15. #15
    vtr rev limit is 6250
    vts is 7250 i think
  16. #16
    personally id go with the VTS gearbox shouldent be that expensive to do and you probably could fit it yourself
  17. #17
    Quote:
    oh rite fair enuff my understanding was that no matter what engine you had in the car you gearbox would ultimately decide when you had to change gear (i know it sounds silly)
    Rev limit ultimatly decides when you need to change gear, or when the power drops off.

    Two different engines (IE 1.1 and VTS) with exactly the same gearbox/tyre sizes will go at the same speed for a given rpm. However - the VTS will be able to rev higher. Therefore for the same gearbox, a higher rev limit means a higher speed in each gear (assuming you've got the power to overcome drag/ wind resistance etc)
  18. #18
    Quote:
    Originally Posted by Roy-VTS View Post
    oh rite fair enuff my understanding was that no matter what engine you had in the car you gearbox would ultimately decide when you had to change gear (i know it sounds silly) eg a 1.1 with a 1.1 gearbox would change gear at the same revs as a vts with a 1.1 gearbox. My understanding was you couldnt hit 60 in a vtr in second???? maybe its my mistake though lol
    The engine and its limiter will determine the RPM you can go up to. The different gearboxes will then determine the speed achievable at a specific RPM. Therefore, the VTR (car and gearbox) cannot reach such a high speed in second gear due to its RPM limit being set so much lower than a VTS engine. Does that make sense?
  19. #19
    Quote:
    Originally Posted by gd16 View Post
    Rev limit ultimatly decides when you need to change gear, or when the power drops off.

    Two different engines (IE 1.1 and VTS) with exactly the same gearbox/tyre sizes will go at the same speed for a given rpm. However - the VTS will be able to rev higher. Therefore for the same gearbox, a higher rev limit means a higher speed in each gear (assuming you've got the power to overcome drag/ wind resistance etc)
    Exactly, well said.