i have a 3.44 diff in my mini, will a 100mph (it says 100mph on the face) centre speedo be accurate? or will i have to fork out for a 130mph speedo?
as there is one on ebay im intrested in getting
smiths speedo question...
Started by
my mini rulez
, May 02 2006 06:09 PM
4 replies to this topic
#1
my mini rulez
-
- Just Joined
-
- 94 posts
Stage One Kit Fitted
- Local Club: P&S MOC
Posted 02 May 2006 - 06:09 PM
#2
Sprocket
-
- Members
-
- 7,266 posts
Great on Injection faults
- Location: Warrington
- Local Club: Manchester Minis
Posted 02 May 2006 - 06:26 PM
how old is the car and what clocks do you have on it currently??
#3
deaks46
-
- Noobies
-
- 21 posts
Learner Driver
Posted 02 May 2006 - 07:05 PM
Not likely, the 100 mph center speedo was fitted to 997/998cc Coopers.
They (as standard, however 3.44 was a option on the 998) were fitted with the 3.76 diff ratio.
I think the speedo will over read, so will need recalibrating to suit the 3.44 diff ratio.
They (as standard, however 3.44 was a option on the 998) were fitted with the 3.76 diff ratio.
I think the speedo will over read, so will need recalibrating to suit the 3.44 diff ratio.
#4
my mini rulez
-
- Just Joined
-
- 94 posts
Stage One Kit Fitted
- Local Club: P&S MOC
Posted 02 May 2006 - 07:09 PM
ah ok thanks 
ill save up for a 130mph speedo
ill save up for a 130mph speedo
#5
dklawson
-
- TMF+ Member
-
- 10,923 posts
Moved Into The Garage
- Name: Doug
- Location: Durham, NC - USA
- Local Club: none
Posted 02 May 2006 - 09:02 PM
Don't arbitrarily buy a speedometer.
If you currently have a working and accurate speedometer, look on the gauge face in the vicinity of the odometer window. You should find a four digit number separate from the model/serial number. This number indicates the turns-per-mile (TPM) of the instrument. It's how many revolutions of the speedometer cable the gauge expects for every mile you drive.
If your current gauge is accurate based on the final drive and tire size you have, seek a new speedometer with that exact same TPM number. Don't focus exclusively on how many MPH are on the face of the gauge. That should be secondary to matching the TPM value.
If you currently have a working and accurate speedometer, look on the gauge face in the vicinity of the odometer window. You should find a four digit number separate from the model/serial number. This number indicates the turns-per-mile (TPM) of the instrument. It's how many revolutions of the speedometer cable the gauge expects for every mile you drive.
If your current gauge is accurate based on the final drive and tire size you have, seek a new speedometer with that exact same TPM number. Don't focus exclusively on how many MPH are on the face of the gauge. That should be secondary to matching the TPM value.
0 user(s) are reading this topic
0 members, 0 guests, 0 anonymous users
