Dyzza Posted January 10, 2006 Report Posted January 10, 2006 hey guys well i have a sneaking suspicion that the last bloke who put the 5 speed into my ke30 didn't change the diff over - the car was an auto previously. The car rev's at about 3,500 at 100 clicks in 5th, with 195/50 15" rims on it. Could i be right assuming it has the 4.3:1 auto ratio? If it does, i might hunt down a 4.1:1 borg warner diff to replace it. It just revs too high for my liking, and is freakin loud. Cheers, Dyzza Quote
Xany Posted January 10, 2006 Report Posted January 10, 2006 it'll be exactly the same as mine, 4.1:1.....cause thats about what mine does on the highway in 5th. Quote
Dyzza Posted January 10, 2006 Author Report Posted January 10, 2006 it'll be exactly the same as mine, 4.1:1.....cause thats about what mine does on the highway in 5th. hmm makes me think but... my old laser i was driving (5 speed 1.5L '81) did 2,950~ at 100ks... I know its a FWD, what ratio would that be ? 3.9:1 ? It just seems like a huge difference in RPM going from 3.9 in the laser to 4.1 in the rolla - and gaining ~550 RPM. The gearbox may even be a different ratio as well ... Cheers dude! Quote
Foxtail Posted January 13, 2006 Report Posted January 13, 2006 Most Borg Warners have a small metal tag bolted to the back plate that says the ratio. Quote
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