BOB B Posted January 16, 2013 Share Posted January 16, 2013 I'm in the process of getting 180 MPH dial set, the one I have now is 110 dial set, the cars speed is de-restricted so the needle goes off the clock (or it would if I were to go that fast). My question is: how (when fitted) do I adjust the new speedo to the correct speed? or would it be easier if I took it to a garage? Quote Link to comment Share on other sites More sharing options...
Wez Posted January 17, 2013 Share Posted January 17, 2013 I didnt know there was a 110mph gauge, from memory a restricted motor will only do 112mph. Quote Link to comment Share on other sites More sharing options...
Tyson Posted January 17, 2013 Share Posted January 17, 2013 I didnt know there was a 110mph gauge, from memory a restricted motor will only do 112mph. I think he means changing from JSpec clocks to UK Spec ones which have a higher top speed on them. He obviously want's them for track days Quote Link to comment Share on other sites More sharing options...
Wez Posted January 17, 2013 Share Posted January 17, 2013 My jspec had 180mph clocks as standard, ive never seen 110mph clocks Quote Link to comment Share on other sites More sharing options...
Tyson Posted January 17, 2013 Share Posted January 17, 2013 My jspec had 180mph clocks as standard, ive never seen 110mph clocks Are you sure it's not 180 KPH. Quote Link to comment Share on other sites More sharing options...
Dan_Turism0 Posted January 17, 2013 Share Posted January 17, 2013 Are you sure it's not 180 KPH. indeed they will be 180kph clocks with and just had the speed converted so it reads mph not kph Quote Link to comment Share on other sites More sharing options...
Wez Posted January 17, 2013 Share Posted January 17, 2013 Possibly, but when I purchased the car many many years ago it was already converted and delimited Ive not had clocks for a long time now so cant check for sure. Quote Link to comment Share on other sites More sharing options...
Tyson Posted January 17, 2013 Share Posted January 17, 2013 indeed they will be 180kph clocks with and just had the speed converted so it reads mph not kph Yeah that. Quote Link to comment Share on other sites More sharing options...
Nodalmighty Posted January 17, 2013 Share Posted January 17, 2013 I'm in the process of getting 180 MPH dial set, the one I have now is 110 dial set, the cars speed is de-restricted so the needle goes off the clock (or it would if I were to go that fast). My question is: how (when fitted) do I adjust the new speedo to the correct speed? or would it be easier if I took it to a garage? I seem to remember some UK importers got 110mph overlays from somewhere. You need a Speedo Converter/ Delimiter combination. Like this one: http://www.ebay.co.uk/itm/121053126641?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649 It corrects the pulse to the speedo so it works with 180 Mph clocks and sends a clamped 110mph signal to the ECU to delimit. Lyndon. Quote Link to comment Share on other sites More sharing options...
Fitz Posted January 17, 2013 Share Posted January 17, 2013 I have actually seen a dial set on a Supra which actually only goes up to 110. I remember thinking, WTF?!?! May have even been Bobs car. Quote Link to comment Share on other sites More sharing options...
BOB B Posted January 18, 2013 Author Share Posted January 18, 2013 Thanks for the discussions people, thanks Lyndon, I think mine is a bit of a weird one, my speed dial only shows up to 110 but when I have gone past that (on the track) the needle goes past that mark and comes up to the stops, so its not being limited to 110, it is also reading the correct speed as per the sat nav. I will wait till I get the 180 one take the dash out and see what is there, I would have thought there was some way of adjusting the de-limiter to get the needle to read the correct speed on the new dial. Once I have had a look and play I'll post again. Thanks. Quote Link to comment Share on other sites More sharing options...
Dan_Turism0 Posted January 18, 2013 Share Posted January 18, 2013 Possibly, but when I purchased the car many many years ago it was already converted and delimited Ive not had clocks for a long time now so cant check for sure. most of the time importers at time of converting the speedo just put a mph sticker over the km/h Quote Link to comment Share on other sites More sharing options...
SteveR Posted January 18, 2013 Share Posted January 18, 2013 To clear up any confusion, JSPec cars came with the same speedo face (the clock in the dash) as the UK cars, but it was labelled "km/h" instead of "mph". To convert the SPEEDO CLOCK (i.e. not the speed SIGNAL), the cheapest & crappiest way to do that is to put a NON-OEM mph overlay (a "110mph speedo") on top of the km/h speedo. Hence 110mph ends up being roughly where 180 kp/h was; these are roughly the same speeds. Obviously this is ok, but means if you ever delimit the car and want do do more than the factory limiter, your speedo needle will want to keep going past that point and at that point you won't have a clue what speed you're doing and you risk damaging the speedo as you clatter the needle into the other side of the 0mph stop the needle rests on when you're not moving. The better way of "converting" the speedo, is to convert the speed SIGNAL, not the speedo face. By fitting a decent speed signal converter, this little box of tricks will put the original speed signal through a kph/mph multiplication, chucking a mph signal out the other side. You connect THAT signal to the speedo face, cruise control and power steering, and if you bought an all-in-one delimiter, you also put the "clamped" signal to pin2 IIRC of the main ECU. The only thing left to do is turn your "km/h" CLOCKS to read "m/h"; how? Cover up the "k". Job done. Sorry to those who already knew all this, but there is always a lot of misunderstanding about what a conversion involves. http://mkivsupra.net/vbb/showthread.php?112141-How-To-Install-a-Speedo-Convertor-and-Delimiter Quote Link to comment Share on other sites More sharing options...
BOB B Posted January 18, 2013 Author Share Posted January 18, 2013 Thanks Steve, I'll wait till I get the second hand set of dials through, read your thread through properly, have a good look at what I've got and then repost, Quote Link to comment Share on other sites More sharing options...
Nodalmighty Posted January 18, 2013 Share Posted January 18, 2013 This sounds like you have a speed delimiter at the ecu, but no converter at the speedo head (KPH to MPH). You can still use that converter I sent a link to, but you just don't connect the grey wire to the ecu. Lyndon. Thanks for the discussions people, thanks Lyndon, I think mine is a bit of a weird one, my speed dial only shows up to 110 but when I have gone past that (on the track) the needle goes past that mark and comes up to the stops, so its not being limited to 110, it is also reading the correct speed as per the sat nav. I will wait till I get the 180 one take the dash out and see what is there, I would have thought there was some way of adjusting the de-limiter to get the needle to read the correct speed on the new dial. Once I have had a look and play I'll post again. Thanks. Quote Link to comment Share on other sites More sharing options...
BOB B Posted January 18, 2013 Author Share Posted January 18, 2013 Thanks Lyndon, when I get the 180 set through and this weather improves I'll get out and have a look at all this, what you said makes sense. Quote Link to comment Share on other sites More sharing options...
pedrosixfour Posted January 18, 2013 Share Posted January 18, 2013 Yeah, I've the 110mph face on my speedo too. And I leave all the numbers behind halfway through fourth on the long straight at Mondello! Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.