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Tired... 120-130 1967

posted by  derek uk on  Wed Jun 22 13:21 CST 2011
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last visit: Fri Oct 24 12:33 CST 2014
[RELATED]

I confess I do get a bit confused when trying to work out the numbers here. Can you put up the calculation you use please to get the axle ratio?
In top/4th gear for a given speed the engine revs are 10% less with the 4.10 when compared with the 4.56.
I have a single carb 121 with a 4.10 plus D OD and the rev drop is very apparent but it will still accelerate usefully in OD when you're doing over about 50. Just bought a wagon that has an OD but as yet haven't done enough mileage to see how it runs, but it's certainly busier in OD. This one has a B18B. No rev counter on either car unfortunately.
I think this graph came from BB but it doesn't allow you to calculate the axle ratio.

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