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GT1360
 Post subject: Speedo Drive ratio?
PostPosted: Sat Dec 10, 2005 6:40 am 
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Any one know what the mini speedos are calibrated on? what RMP to x miles

Just trying to find out how close my Autometer speedo will be and If i need to change the drive ratio :wink:
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drmini in aust
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PostPosted: Sat Dec 10, 2005 6:42 am 
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Location: near Baulkham Hills, NSW
with a 3.44 diff an S speedo does 1280 revs/mile. :wink:

with a 3.647 diff I find a Moke speedo (866 revs/km) is pretty well spot-on.

Both above with 10" wheels.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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GT1360
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PostPosted: Sat Dec 10, 2005 6:44 am 
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what about a 3.71?

The autometers are done on 1000RPM x Mile
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drmini in aust
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PostPosted: Sat Dec 10, 2005 8:34 am 
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No such thing as a 3.71, for a 3.765 diff it's 1376 revs/mile. I just checked my Deluxe one. :wink:

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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GT1360
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PostPosted: Sat Dec 10, 2005 8:37 am 
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drmini in aust wrote:
No such thing as a 3.71, for a 3.765 diff it's 1376 revs/mile. I just checked my Deluxe one. :wink:


arrr. you know what i am talking about :roll:
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