Ralph Wiggum Moar Powar Babeh Lifetime Members 19,332 Member For: 19y 7m 6d Gender: Male Location: Perth Posted 08/02/07 08:13 AM Share Posted 08/02/07 08:13 AM Im toying with the idea of changing the diff ratio in my ute from 3.4 to 4.11 to make the big purple money pit get up and go a bit better.Can any of the perth guys recommend a decent diff repair joint in perth? Link to comment https://www.fordxr6turbo.com/forum/topic/32407-diff-ratio-swap/ Share on other sites More sharing options...
R UTE Donating Members 45 Member For: 21y 6m 7d Gender: Male Location: Perth Posted 08/02/07 10:41 AM Share Posted 08/02/07 10:41 AM I had WA dif centre in O'Connor do all the work on my ute, change ratios, straightnen axles ect.. I was happy with everything they did. Think the guys name is Richard Link to comment https://www.fordxr6turbo.com/forum/topic/32407-diff-ratio-swap/#findComment-495251 Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,332 Member For: 19y 7m 6d Gender: Male Location: Perth Posted 08/02/07 11:00 AM Author Share Posted 08/02/07 11:00 AM What ratio did you go for Russell? Link to comment https://www.fordxr6turbo.com/forum/topic/32407-diff-ratio-swap/#findComment-495254 Share on other sites More sharing options...
R UTE Donating Members 45 Member For: 21y 6m 7d Gender: Male Location: Perth Posted 08/02/07 11:10 AM Share Posted 08/02/07 11:10 AM I got the 3.7Was told that is would not make that much difference but I think its very noticable.First drive after fitting 3rd felt more like 2nd use to be and 6th gear is now useful.Russ Link to comment https://www.fordxr6turbo.com/forum/topic/32407-diff-ratio-swap/#findComment-495257 Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,332 Member For: 19y 7m 6d Gender: Male Location: Perth Posted 08/02/07 11:17 AM Author Share Posted 08/02/07 11:17 AM Im thinking about going to 4.11's if my calcs are correct its a 16% drop(im running 3.47 at the mo) which means at 60 in fourth i'l be pulling 1624rpm. My ute only pulls 1400rpm at 60kph so i spend most of my time running around the burbs in 3rd gear.... Link to comment https://www.fordxr6turbo.com/forum/topic/32407-diff-ratio-swap/#findComment-495261 Share on other sites More sharing options...
SCRIBR Yaris member Member 4,486 Member For: 18y 10m 8d Gender: Male Posted 08/02/07 11:19 AM Share Posted 08/02/07 11:19 AM I know what u mean.. the BF is 3.73 isn't it?.. which would be a fair improvement over 3.4 Link to comment https://www.fordxr6turbo.com/forum/topic/32407-diff-ratio-swap/#findComment-495263 Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,332 Member For: 19y 7m 6d Gender: Male Location: Perth Posted 08/02/07 11:21 AM Author Share Posted 08/02/07 11:21 AM Yeah mines a 3.4 because its a mk1 ba that was originally an auto so 1st gear is good for 70kph.... Link to comment https://www.fordxr6turbo.com/forum/topic/32407-diff-ratio-swap/#findComment-495265 Share on other sites More sharing options...
SCRIBR Yaris member Member 4,486 Member For: 18y 10m 8d Gender: Male Posted 08/02/07 11:35 AM Share Posted 08/02/07 11:35 AM wow that must be a pain! good luck with the swap!! I find 6 a bit useless for me now! only use it on freeways.. so for u.. I don't know if you would use it Link to comment https://www.fordxr6turbo.com/forum/topic/32407-diff-ratio-swap/#findComment-495270 Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,332 Member For: 19y 7m 6d Gender: Male Location: Perth Posted 08/02/07 11:49 AM Author Share Posted 08/02/07 11:49 AM I dont usually use 5th unless im doin over 120kph on my private driveway. The CP pistons in my car make the rattle noise around 1500/1600 rpm so i try to stay out of the rev range when in sixth... Link to comment https://www.fordxr6turbo.com/forum/topic/32407-diff-ratio-swap/#findComment-495277 Share on other sites More sharing options...
R UTE Donating Members 45 Member For: 21y 6m 7d Gender: Male Location: Perth Posted 08/02/07 11:51 AM Share Posted 08/02/07 11:51 AM SCRIBR said: wow that must be a pain! good luck with the swap!! I find 6 a bit useless for me now! only use it on freeways.. so for u.. I don't know if you would use it←that's the situation I was in cruising at 120 would only be about 2100rpm Link to comment https://www.fordxr6turbo.com/forum/topic/32407-diff-ratio-swap/#findComment-495280 Share on other sites More sharing options...
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