stoner_corsa
Member
Registered: 19th Jul 05
Location: Wrexham, North Wales
User status: Offline
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ive just converted my w plate corsa b to a c20let with an f28 6speed gearbox, the clocks are electric type and the box is mechanical i have the astra gte speedo sender fitted but the clocks are about 30-40mph out, when im in 6th on the by pass doin 70 next to another car it reads between 30 and 45, can i use a diff speedo drive?? has anybody else had the same problem?
ive heard something about changing the speedo ring in the box? anybody done this or know what i can use as the box is out of the car being refurbed.
cheers dave
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Alex16v
Member
Registered: 30th Jun 06
Location: Chester Drives: Civic ep3 final edition
User status: Offline
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Alright bud its alex with the starlet. Have a look at the set up in tom (chuckies) car when he is down the unit next.
As i had the same set up when i converted VKX to a c20xe and it was perfect. Although im not 100% sure which sender i used. Should have a code on it somewhere, or i think he would lend it you to try it out.
Only thing that may be different is that its a f28 not f20.
Good luck with it anyway.
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luke85
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Registered: 26th Nov 07
Location: Chesterfield
User status: Offline
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To change the speedo ring the box has to come out again and it will be a big job for you. If you dont have a speedo cable and are using an electronic setup you can use a speedohealer, thats the way I got round it. Set it to add 50% to the speed and its bang on, you can calibrate it with a sat nav to within 0.1%
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DAZ1985
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Registered: 3rd Sep 06
Location: Scholar Green, Cheshire
User status: Offline
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Where do you get them from luke?
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luke85
Member
Registered: 26th Nov 07
Location: Chesterfield
User status: Offline
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Cant remember where I got mine because its been a while now. They are intended really for use on motorbikes when you change the sprocket setup to keep it accurate but work fine on cars too.
Just done a search and you can get one Here for £50 (mines the V3 cos i got it that long ago)
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DAZ1985
Member
Registered: 3rd Sep 06
Location: Scholar Green, Cheshire
User status: Offline
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I wouldn't know how to wire that in 
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luke85
Member
Registered: 26th Nov 07
Location: Chesterfield
User status: Offline
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4 wires if I remember right, dead easy. Fitted mine behind the clocks.
Ignition switched live
Ground
Signal in
Signal out
All of which are eay to find behind the clocks 
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stoner_corsa
Member
Registered: 19th Jul 05
Location: Wrexham, North Wales
User status: Offline
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mite look into that but the box is out the car now being checked/rebuilt by a gearbox centre but were unsure wether theyll be able to get a new ring, anybody know where i could get one from?
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