I was considering using Valvoline VR1 until I found this on the
'net. It is an extract from a posting which makes Pennzoil GT 25W-50 the best.
BUT THE POSTING IS DATED JUNE 2002 -so have things changed since then I wonder
Here are te results:
Keep in mind,1200ppm-1400ppm P/Zn are rec lvls to protect perf flat
tappet cams.
SCOTT
================================================== ==============
* VALVOLINE NSL 20W-50 - (P) 842PPM /(Zn) 973PPM /(DETERGENT)950PPM
* VALVOLINE VR1 20W-50 - 684PPM/763PPM/1630PPM
* PENNZOIL GT 25W-50 - 1483PPM/1676PPM/1901PPM
* GM EOS BLACK BOTTLE- 5059PPM/5850PPM/5,800
* AC DELCO EOS WHITE BOTTLE - 5183PPM/6095PPM/5,900
* STP 4CYL IN RED BOTTLE - 151PPM/171PPM/139PPM (WAS 2115PPM/3932PPM IN 2005)
Regards
Barrie
Barrie Robinson
(705) 721-9060
http://www.britishv8.org/MG/BarrieRobinson.htm
http://www.britcot.com
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