S soundwavefd Joined Nov 27, 2012 Messages 28 Location DE Nov 27, 2012 #1 I was wondering if anyone knew the levels of zinc and phosphorus in Castrol GTX 10W-40? I called and they said they could not give those numbers out? Thanks, Drew
I was wondering if anyone knew the levels of zinc and phosphorus in Castrol GTX 10W-40? I called and they said they could not give those numbers out? Thanks, Drew
S soundwavefd Thread starter Joined Nov 27, 2012 Messages 28 Location DE Nov 27, 2012 #3 I was looking for a parts per million number?
J JT1 Joined Apr 14, 2009 Messages 589 Location Michigan Nov 27, 2012 #4 Pretty much the same as there 5w30, just a different viscosity. What are you using it for anyway?
S soundwavefd Thread starter Joined Nov 27, 2012 Messages 28 Location DE Nov 27, 2012 #5 Originally Posted By: JT1 Pretty much the same as there 5w30, just a different viscosity. What are you using it for anyway? Mazda RX-7.
Originally Posted By: JT1 Pretty much the same as there 5w30, just a different viscosity. What are you using it for anyway? Mazda RX-7.
KCJeep Joined Jun 30, 2011 Messages 10,215 Location Mahzurrah! Nov 27, 2012 #6 Neither it nor the HM version is any higher in ZDDP than any other SN oil from what I've seen in UOA's. If you want more ZDDP you might check out Quaker State Defy or Rotella.
Neither it nor the HM version is any higher in ZDDP than any other SN oil from what I've seen in UOA's. If you want more ZDDP you might check out Quaker State Defy or Rotella.
N Nederlander75 Joined Sep 30, 2007 Messages 999 Location CO Nov 27, 2012 #7 Here you go. http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2816369#Post2816369
Here you go. http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2816369#Post2816369