scott87 Posted December 20, 2012 Share Posted December 20, 2012 I'm not personally a massive fan of having loads of dials in the car but i'd like 1 or 2 to give me a bit more information about whats going on under the car. Im currently running an n/a but this is likely to change in the future. Just wondering what sensors people are running if anyone else has already done this? I was thinking the obvious air intake and oil temp, unless someone has better suggestions. Quote Link to comment Share on other sites More sharing options...
safcdixon Posted December 20, 2012 Share Posted December 20, 2012 Boost, afr, If your thinking of na-t or na-tt Quote Link to comment Share on other sites More sharing options...
Rich.2211 Posted December 20, 2012 Share Posted December 20, 2012 I imagine oil temp and oil pressure are relatively good ones to have. Maybe a boost gauge.. then there's no reason not to buy a turbo to go with it Quote Link to comment Share on other sites More sharing options...
scott87 Posted December 20, 2012 Author Share Posted December 20, 2012 What are the best sensors/setups to use? Obviously the air temp can be a simple probe and digital display, but what about the oil temp/pressure. Quote Link to comment Share on other sites More sharing options...
bignum Posted December 20, 2012 Share Posted December 20, 2012 These are nice gauges, ive got the dual, oil pressure/temp, water temp/fuel pressure, http://www.spa-uk.co.uk/%28S%28nbigrzeguicl05pdn3sfjvcy%29%29/design/digitalgauges/default.aspx Quote Link to comment Share on other sites More sharing options...
hodge Posted December 20, 2012 Share Posted December 20, 2012 Boost, oil pressure and water temp are most important IMO. Quote Link to comment Share on other sites More sharing options...
scott87 Posted December 20, 2012 Author Share Posted December 20, 2012 These are nice gauges, ive got the dual, oil pressure/temp, water temp/fuel pressure, http://www.spa-uk.co.uk/%28S%28nbigrzeguicl05pdn3sfjvcy%29%29/design/digitalgauges/default.aspx Wow they are nice but mega expensive! I was thinking of something more simple like theses for intake tamp as i was going to mount into the dash: http://www.ebay.co.uk/itm/AIR-CHARGE-INTERCOOLER-TEMPERATURE-GAUGE-INC-SENSOR-UNIVERSAL-BRAND-NEW-TURBO-/140898763865?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item20ce388459 How do you plumb in a gauge for oil temp/pressure and what do you need to do it? - - - Updated - - - Boost, oil pressure and water temp are most important IMO. Is water temp not the standard temp on the dash? Quote Link to comment Share on other sites More sharing options...
hodge Posted December 20, 2012 Share Posted December 20, 2012 The water temp gauge is NOT accurate on a Supra. The temp gauge goes to its normal running temp and will not move again until the car reaches 135 degrees. At this point it's too late and your head gasket is probably goosed. Toyota do this so there cars seem a lot more reliable than they are. Quote Link to comment Share on other sites More sharing options...
scott87 Posted December 20, 2012 Author Share Posted December 20, 2012 The water temp gauge is NOT accurate on a Supra. The temp gauge goes to its normal running temp and will not move again until the car reaches 135 degrees. At this point it's too late and your head gasket is probably goosed. Toyota do this so there cars seem a lot more reliable than they are. Ok thats good to know thanks I will have a look at getting one of these asap then, which hose do you splice to put the sensor in? Quote Link to comment Share on other sites More sharing options...
bignum Posted December 20, 2012 Share Posted December 20, 2012 Wow they are nice but mega expensive! I was thinking of something more simple like theses for intake tamp as i was going to mount into the dash: http://www.ebay.co.uk/itm/AIR-CHARGE-INTERCOOLER-TEMPERATURE-GAUGE-INC-SENSOR-UNIVERSAL-BRAND-NEW-TURBO-/140898763865?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item20ce388459 - - - Updated - - - NICE! Quote Link to comment Share on other sites More sharing options...
scott87 Posted December 20, 2012 Author Share Posted December 20, 2012 Wow they are nice but mega expensive! I was thinking of something more simple like theses for intake tamp as i was going to mount into the dash: http://www.ebay.co.uk/itm/AIR-CHARGE-INTERCOOLER-TEMPERATURE-GAUGE-INC-SENSOR-UNIVERSAL-BRAND-NEW-TURBO-/140898763865?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item20ce388459 - - - Updated - - - NICE! Not that specific one, but I want a rectangle one, Then then i want the oil pressure/temp one to be in the clock location so i dont need pod holders etc. Quote Link to comment Share on other sites More sharing options...
hodge Posted December 20, 2012 Share Posted December 20, 2012 Ok thats good to know thanks I will have a look at getting one of these asap then, which hose do you splice to put the sensor in? I removed the stock gauge sensor (single wire sensor in top water elbow) and replaced it. There both were 1/8npt. Quote Link to comment Share on other sites More sharing options...
scott87 Posted December 20, 2012 Author Share Posted December 20, 2012 (edited) I removed the stock gauge sensor (single wire sensor in top water elbow) and replaced it. There both were 1/8npt. Brill thanks. Can you splice the cable so that the original gauge works as well as the after market one? Looking at these as they look quite nice, just like the Autogauge i have in the MR2, and are a good price: http://www.ebay.co.uk/itm/Smoked-Water-Temp-Temperature-gauge-1-8npt-Sensor-Subaru-Impreza-Legacy-Turbo-/170961956710?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item27ce206f66 Edited December 20, 2012 by scott87 (see edit history) Quote Link to comment Share on other sites More sharing options...
hodge Posted December 20, 2012 Share Posted December 20, 2012 Brill thanks. Can you splice the cable so that the original gauge works as well as the after market one? Looking at these as they look quite nice, just like the Autogauge i have in the MR2, and are a good price: http://www.ebay.co.uk/itm/Smoked-Water-Temp-Temperature-gauge-1-8npt-Sensor-Subaru-Impreza-Legacy-Turbo-/170961956710?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item27ce206f66 You can't splice it bud, the dash gauge is just an indicator the sensor next to it gives the ECU an accurate reading of the coolant temp. But your new gauge will be calibrated to the sensor it's supplied with. Alternatively you could leave that sensor in and buy a top rad pipe with an 1/8npt port. Whifbitz sell them. Quote Link to comment Share on other sites More sharing options...
hodge Posted December 20, 2012 Share Posted December 20, 2012 You get what you pay for with gauges. Personally I swear by Defi. There simple to fit and extremely good. Unfortunately there expensive. Quote Link to comment Share on other sites More sharing options...
scott87 Posted December 20, 2012 Author Share Posted December 20, 2012 You can't splice it bud, the dash gauge is just an indicator the sensor next to it gives the ECU an accurate reading of the coolant temp. But your new gauge will be calibrated to the sensor it's supplied with. Alternatively you could leave that sensor in and buy a top rad pipe with an 1/8npt port. Whifbitz sell them. Ok thanks. Right so ill use the sensor that comes with the gauge then. Ill look for the top rad pipe now. I assume the oil pressure and temperature will need a sandwich plate to be installed. Are these 'safe' and can you use the standard oil filter still? Quote Link to comment Share on other sites More sharing options...
hodge Posted December 20, 2012 Share Posted December 20, 2012 Ok thanks. Right so ill use the sensor that comes with the gauge then. Ill look for the top rad pipe now. I assume the oil pressure and temperature will need a sandwich plate to be installed. Are these 'safe' and can you use the standard oil filter still? Yep, totall safe and yes you can use a stock oil filter. Quote Link to comment Share on other sites More sharing options...
scott87 Posted December 20, 2012 Author Share Posted December 20, 2012 Yep, totall safe and yes you can use a stock oil filter. Brill i shall get shopping. I guess i will just need one with 2 sensor locations. One for temp and one for the pressure gauge. With the water temp, can you post the link of the pipe, searching on whifbitz it doesnt come up. Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted December 21, 2012 Share Posted December 21, 2012 (edited) A small digi dash is a far better bet when you need more than 2 supplemental gauges in a MKIV. I had a Supra in a bit ago with dials all over the bloody place, down the driver's screen pillar and above the rear view mirror. You could see out of precisely half the rear window, and peripheral vision through the front screen was seriously compromised. Plus, unless you are patient and good, stringing oodles of wires everywhere for lots of independent gauges soon makes the wiring a total mess. My take is a mechanical (capillary tube) oil pressure gauge, a wide band Lambda readout, and boost gauge are all you need. A well built, well set up engine might only warrant a boost gauge in a road car. It's very easy to make a car look comic book with those terrible Defi things all over the place, with dial surrounds falling off and the needles doing the rumba every time you key the ignition.. It's also very easy to drive into something trying to look at them all. Edited December 21, 2012 by Chris Wilson (see edit history) Quote Link to comment Share on other sites More sharing options...
Nodalmighty Posted December 21, 2012 Share Posted December 21, 2012 http://www.mkivsupra.net/vbb/showthread.php?267946-The-TFT-Speedo-head-project-begins/page2 You mean something like this ............. Lyndon. Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted December 21, 2012 Share Posted December 21, 2012 Yes! Quote Link to comment Share on other sites More sharing options...
Luxluc Posted December 21, 2012 Share Posted December 21, 2012 These are nice gauges, ive got the dual, oil pressure/temp, water temp/fuel pressure, http://www.spa-uk.co.uk/%28S%28nbigrzeguicl05pdn3sfjvcy%29%29/design/digitalgauges/default.aspx +1 Quote Link to comment Share on other sites More sharing options...
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