|
I don't understand why this topic has to be agrued about over and over.
We all agree that ZDDP is in much lower or no consentration in newer formulated oils. Diesel oil is not the best alternative for a gasoline engine due to other additives or lack of. Racing oils have plenty of ZDDP, but no detergents for dialy driving..
ZDDPlus is an additive..its added aftert the fact... But ZDDP is an additive as well, has been added to oils for over 70 years...so why is that bad now that its being added after you pour in the oil of your choice??
All you need to do to prove it to yourself that it is legit or not legit is get an oil sample with and without ZDDPlus and send it off to a lab using fourier transform spectroscopy analysis, it will cost several hundred bucks per sample. Most of your generic labs use atomic mass spectroscopy which cannot detect levels of the ZDDP compound, only zinc and phos separately.
For something as precious as your classic car, a few hundred bucks is nothing for peace of mind.
__________________
Rob
'87 Grand National Owned 17 years. 65#inj,HW 307, THDP,V4 IC, GT6131E, alky, no cat, Cold Air kit, Del-alum fronts, Gen2 T+ w/LS1 & LM1/LMA3 WBO2, JJ TB mod, 3000 PTS 9x11conv, Direct Scan, best 1/8th 7.23@96, best 1/4 11.61@119, 1.66 60'
'79 10th Anniv. T/A 6.6 all original 4-spd
'89 20th Anniv. TTA #426 stock, 15k miles.
'99 30th Anniv TA #707 Conv 1 of 535 conv..rarer than a GNX.
'95 Trans Am Conv LT1 w/LPE 211/219, LE2 ported heads/intake, and LTs/true duals
'94 Silverado LT4 w/LPE 211/219.
|