WHAT OIL TO USE

Old 09-22-2009, 01:12 PM
  #21  
txhunter69
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well i knoe alot of cirle track guys that put there motors through hell and they all use rotella 15/40 and have no problem they say its better because of what it has init vs. what a normal gasoline engine oil has i think it has somethin to do with zinc and teflon gives it a better caoting
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Old 09-22-2009, 01:33 PM
  #22  
I972Nova
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Brad Penn is loaded with Zinc as well. Thats all I use in the racecars is BradPenn 20/50 and MobilOne full syn in my other vehicles... The green oil is great for gas or alky it doesnt get contaminated as easy and its the slipperiest stuff I have ever used.
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Old 09-23-2009, 07:32 PM
  #23  
kod99
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I ran Pennzoil 25/50 Racing Oil this season. Good oil pressure (80 psi cold and 35 psi hot at 1000 RPM). I run Alcohol so I change after very weekend and, of course it is milky when I change it. The heat stayed down (150 in the box and 185 at the end of the run). I will stay with this oil next years as it's reasonably priced at NAPA.
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Old 09-24-2009, 04:17 PM
  #24  
pistonpopper
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rotella 15-40 with gm eos, 377 sbc, .0025 rods and mains. 7200 rpm, oil change every second w/end no abnormal wear. teardown every second year
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Old 09-27-2009, 09:33 PM
  #25  
rob41willys
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Unless you have some old stock Rotella T oil it doesn't have all the zinc in it anymore. If you run flat tappets it is a must that you use something with the ZDDP in it or use an addative.
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Old 09-28-2009, 03:49 AM
  #26  
MEMRACING62
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Originally Posted by rob41willys
Unless you have some old stock Rotella T oil it doesn't have all the zinc in it anymore. If you run flat tappets it is a must that you use something with the ZDDP in it or use an addative.
did they reduce it or eliminate it (zddp)
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Old 09-28-2009, 05:05 AM
  #27  
hammertime
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Originally Posted by kod99
I ran Pennzoil 25/50 Racing Oil this season. Good oil pressure (80 psi cold and 35 psi hot at 1000 RPM). I run Alcohol so I change after very weekend and, of course it is milky when I change it. The heat stayed down (150 in the box and 185 at the end of the run). I will stay with this oil next years as it's reasonably priced at NAPA.
you bought into a myth of needing to change oil weekly on a alky car :shock: and if its milky you need to fix something :wink:
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Old 10-02-2009, 08:06 PM
  #28  
Mills588
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Default AMSOIL 15-40 Dominator Racing Oil

All my 588ci will ever see:
http://www.amsoil.com/storefront/rd50.aspx
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Old 10-03-2009, 08:44 AM
  #29  
chpseat987
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20W-50 Valvoline VR1 racing formula. Never had a problem always stayed clean.
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Old 10-11-2009, 06:50 AM
  #30  
drolds69
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Default oil to use

i have a 496 bbc 200 shot i use brad penn 20w 50 the car weighs 3000lbs runs 9.75 all day long
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