David Lynch Posted April 15, 2008 Share Posted April 15, 2008 So the racers took them out as one more thing to fail. After 21K miles though reckon it's high time to fit one to a predominantly road car. Currently relying on Gaffer tape on the Radiator to get up to temperature on road . Anyone got details of the plumbing required (I'm assuming there's a clue with the submarine T pipe)? Housing, thermostat, few hose mod's ??? Ta, David I must remember that I'm in public Link to comment Share on other sites More sharing options...
Support Team Shaun_E Posted April 15, 2008 Support Team Share Posted April 15, 2008 I asume that all the racers do is remove the thermostat from it's housing which is the black plastic thing on the driver's side of the engine block that has a J tube coming out of it. You could just put a thermostat back in there (88 degree standard, 82 degree if you want to run a bit cooler and 74 degree if you are paranoid and don't want your car to get up to proper operating temperature). From memory there is a bolt to be removed and then the housing just pulls out of the block - not easy though given it's position under the plenum/throttlebodies. Yellow SL #32 - member of Drowned Rat Racing Link to comment Share on other sites More sharing options...
TomB Posted April 15, 2008 Share Posted April 15, 2008 Youll need to grow some very small hands. Alternatively, I found removing the top half of the plenum helped with access. Link to comment Share on other sites More sharing options...
robmar Posted April 15, 2008 Share Posted April 15, 2008 or fit a remote thermostat in the top hose Link to comment Share on other sites More sharing options...
Englishmaninwales Posted April 15, 2008 Share Posted April 15, 2008 From memory there is a bolt to be removed and then the housing just pulls out of the block No need to remove housing from block, just undo the 3 bolts and open the housing, and insert the thermostat. I've just removed the thermostat (temporarily) as it was suspect....How many strips of gaffer tape generally needed on the rad at this time of the year? Will be fitting a remote in due course Malcolm Link to comment Share on other sites More sharing options...
davef Posted April 15, 2008 Share Posted April 15, 2008 My ex race engine came w/o thermostat - as Shaun says all they do is remove it from the housing. Single bolt and a lot of swearing and grazed knuckles to remove it. I put an 82 degree stat in mine, and drilled a small pilot hole (2mm) to allow it to bleed air. Dave Link to comment Share on other sites More sharing options...
CharlesElliott Posted April 15, 2008 Share Posted April 15, 2008 Make sure you fit/have a heater or heater bypass pipe. That's another thing racers do, save having a spare hose dangling around.... Charles --- Triple E Racing - build diary and race reports Link to comment Share on other sites More sharing options...
David Lynch Posted April 15, 2008 Author Share Posted April 15, 2008 Think I need to do a flow diagram and set my mind at rest as to what I have/don't have. Never been a Heater on my car (can still cook a footwell or two!) Notice Caterham only listing an R500 74°C unit and not 82° or 88° I must remember that I'm in public Edited by - David Lynch on 15 Apr 2008 21:59:44 Link to comment Share on other sites More sharing options...
7 wonders of the world Posted April 16, 2008 Share Posted April 16, 2008 Fit and 82 degree PRT stat Stat now £21 (sed to be £9 untill Land rover got their mits on it ) 32mm T piece £8 and depending on what hoses you have and your installation a couple of bits of rubber. Installed correctly it works perfectly with minimum warm up, and exceelent return temperature control. forget using 74 degree stat in the OE location. Too young to be old ! Link to comment Share on other sites More sharing options...
davef Posted April 16, 2008 Share Posted April 16, 2008 Notice Caterham only listing an R500 74°C unit and not 82° or 88° I bought mine fromEliseparts Dave Link to comment Share on other sites More sharing options...
David Lynch Posted April 16, 2008 Author Share Posted April 16, 2008 Nice spot Davef, Was on there last night looking for flexi downpipe for friends S2 Elise too Anyone got a photo of a Caterham PRT install ? I must remember that I'm in public Link to comment Share on other sites More sharing options...
7 wonders of the world Posted April 16, 2008 Share Posted April 16, 2008 Blat mail me as I have few I can send over, there's also some blurb if you run a search under PRT or PRRT that I put on a while back Too young to be old ! Link to comment Share on other sites More sharing options...
TorAtle Posted April 18, 2008 Share Posted April 18, 2008 forget using 74 degree stat in the OE location. Isn't the R500 engine using just that? I have at least seen one dyno graph indicating that a lower water temp was beneficial from a power POV. or fit a remote thermostat in the top hose I'm not too sure I agree with that either. Wrong side of the radiator. Remote location is ok though. Link to comment Share on other sites More sharing options...
Matt B Posted April 19, 2008 Share Posted April 19, 2008 I recently acquired a 98 Roadsport A EU2 ex racer. Not sure if fitted with a thermostat or not. However i have an unidentified switch on the dash which when i flick over seems to affect the running temperature. What can this be? Matt Link to comment Share on other sites More sharing options...
shn7 Posted April 19, 2008 Share Posted April 19, 2008 Matt, The switch (toggle between oil pressure and temp guages usually) switches between oil and coolant temperature readings on the temp guage. Normally set so that when switched to the oil pressure side it reads oil temp and to the temp guage side reads coolant temp. You can check this by watching the temps whilst warming the car up. Coolant temp will come up before oil temp. Steve. Sussex (West) AR Not forgetting Percy the Polar Bear Link to comment Share on other sites More sharing options...
Matt B Posted April 19, 2008 Share Posted April 19, 2008 Thanks for the reply. Thats fantastic as i had considered fitting an oil temp gauge in the car!! Thanks Matt Link to comment Share on other sites More sharing options...
David Lynch Posted April 20, 2008 Author Share Posted April 20, 2008 New one from Eliseparts will be going in when fitting new(ish) radiator . Leaky core....Grr Could do with reinstating that switch myself I must remember that I'm in public Link to comment Share on other sites More sharing options...
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