The gear box is now working correctly, and not before time. Â It has been a very severe source of frustration! Â The main shaft splines are a bit worn, and i suspect the overdrive coupling's corresponding splines are also similarly affected, giving a … [Continue reading]
Gear Box, Again

I stripped and rebuilt the gear box with new bearings for the main shaft and the back of the lay shaft - they all looked fine, but the main shaft rear bearing (the big one) had a small amount more play than its new replacement. I refitted the old … [Continue reading]
Dropping the Diff Ratios – Salisbury

Though the 3.54 diffs in the coiler axles gave me much better cruising rpm and fuel economy (10%), they didn't drive nicely and I strongly suspect they were a major contributory factor in the failure of the gear box. Â So, I have replaced the rear … [Continue reading]
Gear Box Out Again

After a couple of days, the gear box started popping out of 4th on the over-run. Â It was also a little noisy, too. Â I suspect the problem was how I fitted the transmission after replacing the broken gear - instead of assembling the entire … [Continue reading]
Gear Box Running Well
I have only had it back in for a couple of days, so it has only covered about 50 miles so for, but the box seems to be working correctly. Â I need to tweak the position of the overdrive lever mounting bracket, as it occasionally rattles against the … [Continue reading]
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