Alfa Romeo Forum banner

ratios

  1. wheel tyre ratios

    Alfa 147, 156 & GT
    Hi all In basic i am really crap at working out what wheel sies will work ok with speedo. my wheels are 18" so would 18 x 45 x 205 work and would 18 x 40 x 225 work due to having spacers to be able to used my brembos i may have to use 205 on the front so if my size listed is wrong what...
  2. Type 105 Axle Ratios

    Tuning & Upgrades
    Hi We have a type 105 LSD axle with a 4.3 ratio fitted to a car and need to increase the ratio to circa 3.5 or 3.7 does any know if this is possible and if so where and who could do it in the UK Thanks Kevin
  3. Can you remember the different diff ratios Pud

    Alfa GTA
    I think you gave me a list on the three available about to strip some boxes and check what i have and where they originated from. thanks
  4. Gear Ratios

    The Classic Alfa Romeos
    Hope someone can shed some light on this for me?? I am currently preparing for a 2L twin spark conversion in my 1300 Nuova Super. I have also got a 2L 105 gearbox (GTV2000 I think) but am unsure what way to go as I will be using the standard 1300 diff. any advice would be great appreciated...
  5. best diff and gear ratios for trackday box

    Alfa 33, Sud & Sprint
    Hi, as the title says. I have the following box's sud; both converted to 33 output shafts with electric speedo sensors for 33 too and notch cut out for CPS 1.3 overspun first gear 1.5 greencloverleafe no overdrive with failed diff 33 1.7 ser 3 16v box second gear failure based on the info...
  6. gear ratios

    Alfa 164 & 166
    is there a difference in the ratios of a 3 litre super X reg and a 3.2 6 speed 2004?
  7. gearbox ratios

    Alfa 33, Sud & Sprint
    hello all, think this one has been around before, but is there a complete list of sud 5 speed gear ratios anywhere? i have tried a forum search but cant find much :O(
  8. 147GTA 156GTA lower final drive ratios. Help!

    Alfa GTA
    Hi. I'm looking to lower the final drive ratio on a 147GTA for road racing. I understand that the 2.5L 156 gearbox and final drive ratios are lower with a FD of 3.94:1. Ideally I'm chasing a FD ratio of aroud the 4.1:1 or lower. Does anyone know of any gear sets that might allow me to achieve...
  9. Tire size, gear ratios and ground clearance

    Alfa 147, 156 & GT
    Hi there, I was wondering..... What would happen if I would put 205/65x15 tires on my 2002 156 2.0TS? Has anybody tried? What I am hoping will happen is: 1. Gear ratio will change allowing me to do 120km/hr with lower revs, thus decreasing fuel consumption. 2. It will pick me off the...
  10. Tall 159 ratios

    Alfa 159, Brera & 946 Spider
    Is it just me or are the gear ratios on the 159 really tall? I feel like I have to rev the nuts off it to get it to pull away, and then hold onto 1st for ages so that I don't get a huge drop in power when changing to 2nd because it's lost all the boost. Doesn't feel mechanically sympathetic when...
  11. Mito Cloverleaf Gear Ratios

    Alfa MiTo
    Ok here is a tricky one for y'all . I havent got my mito yet but have already created it on forza 3 :thumbs: . The two problems the one on forza is less powerful so ive compensated this by adding bigger turbo to 169bhp . Im also trying to get the gearing spot on but the standard box (on forza)...
  12. 145 QV gear ratios

    Alfa 145 & 146
    I'm Thinking of a few track days / hill climbs this year in my 145 cloverleaf. Have been thinking about what gear ratios to use for improved perfomance. Carfolio states that my final drive is 3.56 and 5th is 0.85. This for the 1996 145 2.0 ts QV. I noticed that if i fit a 1994 155 2.0 ts...
  13. Gearbox ratios, 2ltr

    Alfa GTV & 916 Spider
    Does anyone know what the gear ratios are for a 2ltr gearbox?
  14. gear ratios for 6 speed 156 diesel

    Alfa 147, 156 & GT
    Hi guys, does anyone know what the gear ratios are on a 6 speed box on the 156 diesel, cheers
  15. 3.0l gtv 6 speed gear ratios

    Alfa GTV & 916 Spider
    Hi, could anyone confirm if the following gear ratios are correct for the 3.0l gtv, any advice appreciated 1st 3.500 2nd 2.235 3rd 1.560 4th 1.156 5th 0.971 6th 0.816 final drive 3.562 cheers, doug
  16. gear ratios?

    Alfa 147, 156 & GT
    hi there, does any body know what the gear ratios are for a 98 156 1.6 cheers
  17. 2.0 TS 16v Gearbox Ratios

    Alfa 155
    Evening all. Does anybody know if the gearbox ratios are different between the 155 2.0 TS 16V (1997 model) and those found on the 146Ti 2.0 16V (2001 model) ??? The reason I ask is that I have a donor box from a 146Ti and I have a 155 for track use so just looking for something to pep up the...
  18. Power to weight ratios - diesel why bother?

    Alfa 159, Brera & 946 Spider
    Model Weight Kw BHP Power to Weight Ratio Gain on previous model 1.9JTD Q 1540 110 147.5 0.096 1.9JTD 1535 110 147.5 0.096 0.3% 1.8 Multi Point 1430 103 138.1 0.097 0.5% 1.9 JTS 1480 118 158.2 0.107 10.7% 2.4 D Q 1650 147 197.1 0.119 11.7% 2.4 D 1630 147 197.1 0.121 1.2% 2.4 D QT 1690 154 206.5...
  19. Gear Ratios

    Alfa GTV & 916 Spider
    ------------------------------------------------------------------- I am looking for the full specification sheet for the 2001 GTV6 3.0L coupe - particularly gearbox & final drive ratios.
  20. Gear ratios

    Introduce Yourself
    I am looking for the full specification sheet for the 2001 GTV6 3.0L coupe - particularly gearbox & final drive ratios.
Top