Hi, changing diff ratio soon and in the hunt for a simple to use speedo corrector, must be fairly cheap too i guess.

I know Jaycar have one and ShiftKits.com have one thats a bit dearer, are these both easy to fit?

Anyone got any more they can think of?

depending on what diff ratio you are going to, go to ford and get the right speedo cog for your speedo sender. pretty simple to fit and usually around $30.

Im not sure how legal the speedo corrector kits are, I guess if they let you know your correct speed then its better than not knowing.

If ford cant help you give mal wood auto's a call. thats where I got the speedo cog for my old commy ute that everyone said I wouldnt be able to find for that specific ratio.

Cheers i might ask Mal wood but im afraid of the price its gonna be quoted to supply and fit

I also wanna go from 3.23 ratio to 3.7. Im not sure the 23 tooth gear will fix it enough. Its a manual so i dont have to worry about shift points, what wire do i tap or cut into on the dash cluster.

I tried doing a search but a few threads seem to be unresolved..

I been thinking about swapping the cogs over to fix the speedo.

Im guessing its already a 21 tooth cog, would a 25 tooth cog fix the speedo if i went from 3.23 ratio to 3.7?

My maths are horrible, so im not sure if ive calculated it the right way

Is there even a 25 tooth cog to fit the T5 box?

Just give Mal a call mate, he'll be able to tell you straight off the top of his head. I havent done it on a ford, but it was piece of piss to do it on a commodore. Put the car on ramps, at the side of the transmission you undo a few bolts and the sender comes out. The cog can then be taken out and put the new one in. Like I said it only cost me $30 or so to be sent over to Perth.

Yep, i rang them up and the lady at the desk said "im sure they'll get it reading right for you"

If it costs under $100 i'll do it their way, but anymore and i'll get one of those Jaycar kits for $50+$60 to put together.