Morning, I need to change the box on my '92 SPI, would a slightly earlier 1275 box be compatible and the same diff/gearing?
1275/spi Gearbox, The Same?
Started by
Bryno
, Dec 09 2016 09:20 AM
4 replies to this topic
#1
Posted 09 December 2016 - 09:20 AM
#2
Posted 09 December 2016 - 11:08 AM
Any rod change box will physically fit (although you would have to use the relevant drop gears). In your case you are talking about a slightly earlier 1275 box so that would fit. I think the 1275 non Coopers had a slightly different final drive ratio to the Cooper versions.
#3
Posted 09 December 2016 - 12:17 PM
How confident are you the replacement box is any better then yours? They all end up with the same faults through wear. Unless something majorly went wrong.
#4
Posted 09 December 2016 - 08:36 PM
How confident are you the replacement box is any better then yours? They all end up with the same faults through wear. Unless something majorly went wrong.
Not necessarily. A quality build and being selective (or corrective!) with gearbox cases can make a considerable difference.
#5
Posted 10 December 2016 - 05:21 PM
Bits of mine came out with the oil, so I've either got to rebuild or just swap it for another complete unit, so I guess any non SPI box would be fine if I keep my diff.
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