Call in your order on
0800 0248454
and pay by card.

 
  Shop    Tech. Info.    Contact Us    About Us    Links  
 
 

Gearbox & Speedo Ratio Calculator (Metric)

 
 
   Select Details   
Tyre Size 
Drop Gear Ratio 
Gearbox type 
Final Drive Ratio 
TPK of Speedo 
Worm & Pinion ratio 


 
 
   Calculated Speed by RPM in each Gear   
0
16
32
48
64
80
96
112
128
144
160
1000
2000
3000
4000
5000
6000
7000
8000
RPM















 
   Actual Speed vs (Speedo Reading)   
RPMx100
Gear
10
20
30
40
50
55
60
65
70
75
80
1st
2nd
3rd
4th
5th
6th

 
   Guessworks Feature Product - Gearbox Rebuild Kit - Less Diff Parts (A+)   
Everything you need to completely overhaul your Classic Mini or Metro A+ gearbox, the same parts as the full rebuild kit less the differential parts, pin, planets and thrusts. The differential bearings are still included.

Ideal for those using an x-pin, ATB or LSD differential.

Kit includes (part numbers provided as a guide)

  • 13H2934 x 1 - CLUTCH OIL SEAL (ORANGE)
  • 13H9513 x 2 - NEEDLE ROLLER 1ST MOTION/LAYSHAFT 4 SYNC
  • 22G2033 x 4 - BAULK RING
  • 22G2262 x 6 - SYNCHRO SPRING
  • 31B447 x 1 - SEAL UNDER ROD CHANGE SELECTORS TO GEAR CASE
  • AAU1365 x 1 - ROLLER DOUBLE FOR MAINSHAFT IN GEARBOX
  • AAU8424 x 1 - ROLLER 1st MOTION SHAFT PILOT TO CLUTCH CASE
  • ADU5738 x 2 - DIFF OUTPUT SHAFT OIL SEAL
  • ADU7619 x 1 - ROLLER SINGLE TYPE FOR HOLDING 1ST MOTION SHAFT
  • AHU1856 x 2 - DIFFERENTIAL ROLLER
  • AJM804B x 1 - GEARBOX GASKET SET
  • BLS107 x 6 - SYNCHRO BALLS
  • C-22A1739 x 1 - LAYSHAFT A PLUS performance
  • C-AHT54 x 1 - OIL PIPE HITECH CENTRAL PICKUP GEARBOX
  • CCN110 x 1 - PILOT BEARING CIRCLIP
  • CDU1563 x 1 - O ring seal for aluminium bush selector shaft
  • CHM141 x 1 - LAYSHAFT LARGE ROLLER
  • GHF221 x 1 - 1/4" UNF Nyloc nut
  • GHF223 x 1 - 3/8" UNF Nyloc nut
  • TUK100320 x 1 - BEARING ROLLER TYPE FOR A PLUS ONLY FITTED 1996 ON
more.......

£ 287.50 + VAT
Learn more about this product, or purchase. Learn more about Guessworks Gearboxes

Imperial  
Metric