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Engine Specific Info and Questions => IDI Engine => Topic started by: MadCityMike on March 25, 2006, 12:22:49 pm
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Do the 1.9's need any sort of SCA additive to the coolant? Is cavitation a concern with these motors? What's a good coolant to use?
Mike
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Do the 1.9's need any sort of SCA additive to the coolant? Is cavitation a concern with these motors? What's a good coolant to use?
Mike
pretty much any coolant should be good, except the pink gm crap. does any one use water wetter???
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Iron blocks VW G11 (blue)
Alloy blocks VW G12 (red)
or use G12+ (purple) which can be mixed in either G11 or G12
DO NOT mix G11(blue) and G12 (red) as they make a gel which can block water ways and pipes when mixed!
From empty use 2 bottles then top up the resevoir.
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Do the 1.9's need any sort of SCA additive to the coolant? Is cavitation a concern with these motors? What's a good coolant to use?
Mike
pretty much any coolant should be good, except the pink gm crap. does any one use water wetter???
I used water wetter in my 8v and my vr6...
it dropped temps a bit... not a LOT, but enough on a spirited drive..
I'm planning to put it into my TD and maybe perhaps I'll get some real world ##'s for people....
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gtd got it,,,,,,i do use dexcool,i never had a problem,,and iuse water wetter,,,iused almost a double dose of w.w.,,,barely noticed that,,but it does cause better cooling,not like it ran way cooler,but maybe a few degrees when beating onit,,,,,,,,,,her 99 i onlyuse the vw antifreeze g12 pink??i think,,,,dexcool is way better than green stuff,,,green stuff is crap,,,silicates are a killer!!!!ever seen silicate dropout???very ugly,and not fun to clean out,besides silicates are abrasive,why put sand in your cooling system???say no to green coolant,dont mix em either
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I've never heard of cavitation erosion problems with these engines probably because the cylinder walls are relatively thick. You really should use SCAs or a long life coolant that doesn't require them, but you can probably get away without.
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if you had a big truck,,use sca's.it holds 10-15gallons,,alot$$ to change.but since our systems barely hold 2 gallons its cheap to change,,,dont need to use sca's,,just changeit,,,you could get that litmuspaper test strips,,tells the acidity of coolant,,,,,,,,,i know ford put out a tech bullitin a few years ago regarding corrosion due to electrolytic action,,,checking volts at heater core+rad and stuff,with all accy's on,,,they recomended to run ground straps from heater cores and rads,and other cooling system accys,,bad grounds were causing premature corrosion,,,,,,