16-09-2020, 07:45 AM
(15-09-2020, 10:20 PM)dickie65 Wrote: I did 5500 Rpm in fourth gear on the way to work at 6.30 this morning. ( Car has electrical rev counter in place of petrol gauge.)
3.25 x 19" tyres with modern sports ratio back axle.
I managed to hold 6000 Rpm in third on a long uphill as well.
The new radiator and four blade fan did the job well.
It all depends how low a modern ratio you have in there.
Some are very low!
C