uprated box and diff on a my99
15 April 2005, 09:10 AM
#1
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uprated box and diff on a my99
I have received my sti5 box (need to check the serial number).
I am planning to run a P1 rear diff (already sourced)
are these then a straight swap on a my99 uk car?
Andy
I am planning to run a P1 rear diff (already sourced)
are these then a straight swap on a my99 uk car?
Andy
15 April 2005, 02:06 PM
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Yeah, but no, but yeah, Yeah, but no, but yeah, Yeah, but no, but yeah, Yeah, but no, but yeah, Yeah, but no, but yeah, Yeah, but no, but yeah!
15 April 2005, 02:37 PM
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The long answer was... that... you ...{deep breath!!} TakeouttheUKgearbox,removethereardiff,reffitthenew diffandfillwithoil,thenfittheStigearboxandfillthat withoilthenyoutakethecaroutandrealisethegearingiss omuchbetterandyouwonderwhyyoudidntdoitbefore.Onlyt hingyouwillnoticeisthatthespeedowillnotreadcorrect ly(itwilloverreadi.e.thelikesofsay75mphisatrue70mp hthattypeofthing.Don'tknowifputtingonslightlylarge rtyresi.e.45seriesinsteadof40's(ifyou'vegot17"rims )willbringit backtobeingaccurateagain. {wheeezze!!}
Whew!
hence..yes is the short answer.
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15 April 2005, 04:03 PM
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{laboured breathing} wheeze..... wheeze.......wheeze..... gies a ciggie..... 
wheeze... no Steven, {cough.... hack... cough}... bleugh!!!,,, {spit} i'll be alright... {cough... hack!!}
wheeze... no Steven, {cough.... hack... cough}... bleugh!!!,,, {spit} i'll be alright... {cough... hack!!}
Last edited by AlanG; 15 April 2005 at 04:08 PM.
15 April 2005, 04:17 PM
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About the speedo thing Andy
When i first fitted the Sti box the speedo was over-reading. Not a great deal and as i said above it will keep you on the right side of legal speeds.
When i stripped the box to overhaul it and fit the Quaife diff, i changed the speedo drive gear from the UK box (you have to split the box to get it out) hoping it would bring the speedo back n line, but made no difference even though the number of teeth were different.
Alan
When i first fitted the Sti box the speedo was over-reading. Not a great deal and as i said above it will keep you on the right side of legal speeds.
When i stripped the box to overhaul it and fit the Quaife diff, i changed the speedo drive gear from the UK box (you have to split the box to get it out) hoping it would bring the speedo back n line, but made no difference even though the number of teeth were different.
Alan
16 April 2005, 08:55 AM
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shouldnt be a problem Alan, I use road angel for speed readings and unless the sti box changes the GPS timing as well then hopefully I will be ok
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