hey all, i am doing a 20v conversion ATM and i will be running a w58 supra 5 speed behind it, just wanting to kow if there is any problems with the speedo cable screwing onto the box... does it go straight in? or do you have to get something made up 4 it to work?.... any help would be appreciated...cheers guys
MY JZX83 (clicky)
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Originally Posted by destroyer
Too bad im in the same town as dr1ft-p1gim pretty sure his mx83 is the coolest.
The cable screws in, no problem.
Gearing may be wrong though, mine reads 20kmh faster
w57 with 4.1
yeah i was thinking it might do something like that being a 6cyl box and i will also have 4.1:1 aswell so do you think my best bet is to get an A/M speedo that u can set to 4/6/8 cyl? or is there another way to get around this?.... cheers 4 the help so far guys
MY JZX83 (clicky)
My Beams Powered AE86 SOLD
Too bad im in the same town as dr1ft-p1g
No, it is the Tacho you are thinking of, that may have a 4/6/8 cyl button. The speedo is a mechanical device. I think the best way to fix the ratio is to get the little plastic gears from the back of the gearbox and swap them with a set from a gearbox that had the same diff ratio as you will be using. That is assuming most speedos also have similar ratios, which I think they do. You maybe looking for speedo gears from a HiLux gearbox that had a 4.1:1 diff. The hiLux will say W56 G292 on the firewall.
There maybe numbers on the back of your speedo cluster. To work it out properly you will need a calculator, think very hard, know the number of teeth on all speedo gears, diff ratio and find the circumference of your tyres.
yes i know the tachos can do that, i thought that speedos would do the same thing....... what if i got the speedo cable off a old supra.... that came with w58 would that work????
MY JZX83 (clicky)
My Beams Powered AE86 SOLD
Too bad im in the same town as dr1ft-p1g
As said above the speedo cable plugs in and works fine.
Changing the box wont change your speedo reading. Only changing your diff ratio and tyre size will do that. If your speedo is out you can either live with it, have the speedo recalibrated, or change the gears in the speedo drive in the box so they match up properly.
I use option A.
Hen
i think ill just live with it, i will have a w58 into a 4.1:1 diff and 205/50/15's on it... will it be out by much?
MY JZX83 (clicky)
My Beams Powered AE86 SOLD
Too bad im in the same town as dr1ft-p1g
That similar to mine, and mines reads faster 20%
ok kool thanx 4 the help guys
MY JZX83 (clicky)
My Beams Powered AE86 SOLD
Too bad im in the same town as dr1ft-p1g
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