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5th was way too short
A curious observation Steve, given that it is a comparable to the overdrive on an 1850 gearbox?
Gearing was 22mph/1000 rpm which equates to about 2750rpm for 60mph.
Anyhow, if it was up to me, I would think long and hard about changing the diff ratio in a Toledo
given its low power. I can remember speaking to participants of a Club Triumph round Britain run
who had found the long climbs very challenging for their Toledo……
Thanks
Ian
To be fair Ian, it was only an impression gained from a few miles of test driving on our local Shropshire roads.
And that impression may have been coloured by my long use of the Carledo which has something like an 0.7 5th gear ratio, a Sprint 3.45 axle and 15" rims which gives it 80mph @ 3200 RPM, something which would indubitably have made yours FEEL undergeared by comparison!
I don't think swapping the diff from a 4.11 standard Toledo ratio to the standard (early) 1500 ratio of 3.89, a difference of only 0.22, would be too much for the 64bhp Toledo stock motor to cope with unmodified. The Spit III produced, IIRC, around 74bhp and the 1500 Spit (again from memory) I think around 84bhp and pulled a 3.63 AND overdrive. Surely a slightly lighter body, but not as much as you'd think with the separate chassis. So a few extra horses would be advantageous but not strictly essential for the first stage upgrade.
It would also appear that the OP already has a 3.89 available so he can try it himself for the cost of a few gaskets, a couple of pints of oil and a couple of hours work! Sounds like a no brainer to me!
Steve