raddys Posted April 13, 2017 Share Posted April 13, 2017 This has been done to death, but last night i purchased 6 litres of FUCHS TITAN PRO S 10w50 for my 93 tt BPU.. now my mates going "aint that to thick" which has got me nervous thinking i should have gone for the 5w40. Its a weekend toy and i dont drive like a granny Any help much appreciated Quote Link to comment Share on other sites More sharing options...
sidewaysdan Posted April 13, 2017 Share Posted April 13, 2017 Just done my na-t and used 5w40 titan pro s Quote Link to comment Share on other sites More sharing options...
bignum Posted April 13, 2017 Share Posted April 13, 2017 Ive always used 10/50 but the car mainly lives on track, it`ll be fine through the summer but a 5/40 may be better come winter. Quote Link to comment Share on other sites More sharing options...
JackyBoi Posted April 13, 2017 Share Posted April 13, 2017 http://www.mkivsupra.net/vbb/showthread.php?56684-FAQ-Oil-Fluid-Interval-Capacity-Steering-Brake-Coolant-Diff-Engine I've always used 10w40 fully synthetic but the thread above says 10w50 as well so should be fine mate Quote Link to comment Share on other sites More sharing options...
raddys Posted April 13, 2017 Author Share Posted April 13, 2017 http://www.mkivsupra.net/vbb/showthread.php?56684-FAQ-Oil-Fluid-Interval-Capacity-Steering-Brake-Coolant-Diff-Engine I've always used 10w40 fully synthetic but the thread above says 10w50 as well so should be fine mate Yes tbh thats where i got the info on oil when i purchased it. it should be fine as its garaged away in the winter anyway. Cheers guys Quote Link to comment Share on other sites More sharing options...
rider Posted April 13, 2017 Share Posted April 13, 2017 (edited) 10W/50 is too thick unless you are planning high temperature endurance running. The OE spec is 10w/30 for fuel economy and you should have a sticker on the rocker for 10W/30. 10W/40 is fine if you want to run a higher oil pressure in older engines. Should probably add I used to formulate engine oils for a living and I interchange the 30 and 40 synthetics dependent on which is on offer when I'm buying. Edited April 13, 2017 by rider (see edit history) Quote Link to comment Share on other sites More sharing options...
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