Guest suprageek Posted July 24, 2013 Share Posted July 24, 2013 Need a new rad for my auto tt bpu, so was thinking of doing the twin fan setup while i was replacing the rad, any advice on this, is it worth doing or any problems with it, also do i need an oil cooler as my car is an auto? Whats the best way to wire in the fans to run? Many thanks:d Quote Link to comment Share on other sites More sharing options...
peter richards Posted July 24, 2013 Share Posted July 24, 2013 oil cooler yes , was going to do the same got all the bits from dude , but changed my mind and put a standard one in, but if you know what your doing I don't think its a hard job Quote Link to comment Share on other sites More sharing options...
Chris Bailey Posted July 24, 2013 Share Posted July 24, 2013 The stock rad and fan with shroud is the best there is! If you can get your hands on an OEM rad and fan I would stay stock. An uprated oil cooler would be a bonus aswell Failing that the Whifbitz and SRD rads are great Quote Link to comment Share on other sites More sharing options...
Nic Posted July 24, 2013 Share Posted July 24, 2013 so was thinking of doing the twin fan setup while i was replacing the rad, any advice on this, is it worth doing or any problems with it http://www.mkivsupra.net/vbb/showthread.php?293737-Air-charge-tempreture-70-degrees-too-hot&p=3701662&viewfull=1#post3701662 Quote Link to comment Share on other sites More sharing options...
Guest suprageek Posted July 24, 2013 Share Posted July 24, 2013 cheers for that guys, read that link Nic think ill put a new rad in and keep the stock fan, there is a small hairline crack at the top of my rad, it is 20 years old! Quote Link to comment Share on other sites More sharing options...
peter richards Posted July 24, 2013 Share Posted July 24, 2013 yes same as mine , try fast rads in Newport south wales £88 that's all it was , they do post out of the uk as well Quote Link to comment Share on other sites More sharing options...
Guest Budz86 Posted July 24, 2013 Share Posted July 24, 2013 I have an alloy rad and twin fans and they work just as good as the stock ones, if not better. With the added benefit that they look much cleaner and tidier! I have mine running off the Syvecs too so only comes on when I need it to. Quote Link to comment Share on other sites More sharing options...
Guest suprageek Posted July 24, 2013 Share Posted July 24, 2013 looks really tidy with no stock shroud there, could i run it off the stock ecu? Quote Link to comment Share on other sites More sharing options...
Guest Budz86 Posted July 24, 2013 Share Posted July 24, 2013 Pretty sure you can, but best to ask an expert! SRD supplied and fitted mine Quote Link to comment Share on other sites More sharing options...
Guest suprageek Posted July 24, 2013 Share Posted July 24, 2013 yes same as mine , try fast rads in Newport south wales £88 that's all it was , they do post out of the uk as well will do mate thanks:D - - - Updated - - - Pretty sure you can, but best to ask an expert! SRD supplied and fitted mine im sure an expert will be along any min to keep me right lol Quote Link to comment Share on other sites More sharing options...
Noz Posted July 25, 2013 Share Posted July 25, 2013 The stock rad and fan with shroud is the best there is! If you can get your hands on an OEM rad and fan I would stay stock. An uprated oil cooler would be a bonus aswell Failing that the Whifbitz and SRD rads are great That's a pretty strong statement. If that's true, how come big power guys drop the OEM rad and shroud? Have you ever seen proof of your statement. The reason I ask if I always considered the alloy rad setup. And never found any data on either to compare which one was better, therefore couldn't justify the spend. Quote Link to comment Share on other sites More sharing options...
Littler Posted July 25, 2013 Share Posted July 25, 2013 That's a pretty strong statement. If that's true, how come big power guys drop the OEM rad and shroud? Have you ever seen proof of your statement. The reason I ask if I always considered the alloy rad setup. And never found any data on either to compare which one was better, therefore couldn't justify the spend. IIRC Chris (Wilson not Baily lol) did some testing on the OEM rad and it flowed better than all the alloy rads upto a certain BHP, given I can't remember what the limit was (if one was found). Have a look at Inferno's mental build, sequential big twins and is still on the OEM rad and fan setup, suggests they are good up to a pretty high amount of power Quote Link to comment Share on other sites More sharing options...
Noz Posted July 25, 2013 Share Posted July 25, 2013 IIRC Chris (Wilson not Baily lol) did some testing on the OEM rad and it flowed better than all the alloy rads upto a certain BHP, given I can't remember what the limit was (if one was found). Have a look at Inferno's mental build, sequential big twins and is still on the OEM rad and fan setup, suggests they are good up to a pretty high amount of power Ok mate I'll have a look I wonder what an OEM rad with twin fan setup would be like. Quote Link to comment Share on other sites More sharing options...
Chris Bailey Posted July 25, 2013 Share Posted July 25, 2013 That's a pretty strong statement. If that's true, how come big power guys drop the OEM rad and shroud? Have you ever seen proof of your statement. The reason I ask if I always considered the alloy rad setup. And never found any data on either to compare which one was better, therefore couldn't justify the spend. Pretty much what Littler said - Chris Wilson knows his stuff theres not doubt about it. Im not saying an alloy rad setup is a bad choice because my dad has the Whifbitz rad himself and it hasn't gone wrong once and looks the part also. Quote Link to comment Share on other sites More sharing options...
marc_p Posted July 26, 2013 Share Posted July 26, 2013 By dropping the OEM fan, you take weight off the ancillaries, which is never a bad thing Quote Link to comment Share on other sites More sharing options...
Rob_Mitchell Posted July 26, 2013 Share Posted July 26, 2013 By dropping the OEM fan, you take weight off the ancillaries, which is never a bad thing Plus you see pretty pulleys especially DAW ones Quote Link to comment Share on other sites More sharing options...
Nic Posted July 26, 2013 Share Posted July 26, 2013 By dropping the OEM fan, you take weight off the ancillaries, which is never a bad thing The viscous clutch minimises the effect the fan has on the engine. A twin electric fan will draw more current from the alternator when in use. Anyone know how much a stock fan and shroud compares in weight to an aftermarket electric twin fan plus shroud? Both are proven to work as they are intended on stock or highly modified Supras. I personally stuck with the viscous fan as I didn't see a need or benefit in swapping it, I never had any issues even in temps edging 40C stuck in heavy HK traffic. I did have to upgrade the radiator though, when the plastic end tank on the stock rad cracked I replaced it with a Fluidyne rad. When the car was being mapped after the single install the coolant temps were getting dangerously high at around 110C. The Fluidyne rad was junked and replaced with a much wider twin core Power Enterprise radiator, this reduced the coolant temps to around 90C. Quote Link to comment Share on other sites More sharing options...
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