oil with ZDDP
11-10-2006, 11:32 PM
#1
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Car: 86 Z28, 86 Seville, 98 Isuzu Rodeo
Engine: 383, HT4100, & 3.2 V6
Transmission: World Class T-5
Axle/Gears: G92 3.23
oil with ZDDP
Just installed a hydraulic flat tappet cam and have noticed that there have been recent problems with them, mostly due to reductions in ZDDP in API off shelf motor oils. I'm currently using Shell Rotella T which is recommended by comp cams for it's high ZDDP content. Shell is in the process of reformulating Rotella T and reducing it's ZDDP content for 2007. Anyone know of a motor oil that still has high ZDDP content in a 10W-30?
11-10-2006, 11:42 PM
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Car: 1983 G20 Chevy
Engine: 305 TPI
Transmission: 4L60
Axle/Gears: 14 bolt with 3.07 gears
Just installed a hydraulic flat tappet cam and have noticed that there have been recent problems with them, mostly due to reductions in ZDDP in API off shelf motor oils. I'm currently using Shell Rotella T which is recommended by comp cams for it's high ZDDP content. Shell is in the process of reformulating Rotella T and reducing it's ZDDP content for 2007. Anyone know of a motor oil that still has high ZDDP content in a 10W-30?
11-11-2006, 02:29 AM
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Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
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Axle/Gears: 10 bolt, true-trac, 3.73
yea, you can dump in EOS, or cranes "super lube", same sorta stuff.
Rotella T is the main one, there is another, but I can't remember it now. Chevron something?
Rotella T is most common in the 15W40 that you're talking about, but they do make a Rotella T in a 10W30, according to shell. Now just try to find it on the shelf somewhere.
Rotella T is the main one, there is another, but I can't remember it now. Chevron something?
Rotella T is most common in the 15W40 that you're talking about, but they do make a Rotella T in a 10W30, according to shell. Now just try to find it on the shelf somewhere.
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