ali_legend Posted February 21, 2011 Share Posted February 21, 2011 Hi guys, question on behalf of my bro; his 280zx had brown sludge in the rad, it wasn't oil just rust like. He checked his dipstick and oil cap and theres loads of mayo, whats best way of checking if its head or condensation? Any additive or chemical to use? Ta Quote Link to post Share on other sites
ktl Posted February 21, 2011 Share Posted February 21, 2011 sniffer test, its a solution in a sucker (dont no what it is lol) which they put over the radiator and it detects carbon and the fluid will change colour... or stick it in the expansion tank. google it more info buddy Quote Link to post Share on other sites
yaristurbo Posted February 21, 2011 Share Posted February 21, 2011 compression testclylinder leakage testdo they use a water cooled oil cooler???? Quote Link to post Share on other sites
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