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Topic Review (Newest First)
08-04-2012 02:10 AM
oblivion2kx Heavier oil should be run when the car ages. If you have 125K+ on the car, run 5w 30. If you just rebuilt the engine, run 5w 20. More worn out parts need better lubrication to resist further wear.
08-03-2012 11:53 PM
felixthecat I'll stick w/ 5w20 Mobil1 w/ a FL842 filter.
08-03-2012 07:06 PM
Outlaw5.0
Quote:
Originally Posted by kylesvt720 View Post
A)You are talking a motor spinning over $10k rpm.
B)You are talking about people looking for every possible edge in performance, with no care for longevity of the motor.
These engines are rebuilt after every event, and often times have valves and other components swapped in between individual runs.
Yes I know, I have friends on a few teams. The point is 5w-20 will not hurt our engines.
08-03-2012 01:21 PM
kylesvt720
Quote:
Originally Posted by Outlaw5.0 View Post
I wonder if anyone takes into account NHRA prostocks use very light oil..............less than 20wt, infact down in the 10wt range. Granted they change oil after every pass or two.
A)You are talking a motor spinning over $10k rpm.
B)You are talking about people looking for every possible edge in performance, with no care for longevity of the motor.
These engines are rebuilt after every event, and often times have valves and other components swapped in between individual runs.
01-08-2012 09:58 PM
AMMO-Duke Earlier in the discussion, TeamDFL provided a link to Bob is the Oil Guy Forums (BITOG). In case you have not found it, if you go to the BITOG main website there is a Motor Oil University with 10 chapters you can read that is very interesting and may give you more information to help decide what oil to run. Here is the link http://www.bobistheoilguy.com/motor-oil-101/
01-08-2012 09:07 PM
teamDFL
Quote:
Originally Posted by whynotthinkwhynot View Post
Nope, I didn't think there was any hydraulic action to them at all. Thanks for the pic.
That is the early Zetec. What the Europeans call the silver top.
01-08-2012 07:02 PM
whynotthinkwhynot Nope, I didn't think there was any hydraulic action to them at all. Thanks for the pic.
01-08-2012 06:48 PM
teamDFL
Quote:
Originally Posted by Outlaw5.0 View Post
I wonder if anyone takes into account NHRA prostocks use very light oil..............less than 20wt, infact down in the 10wt range. Granted they change oil after every pass or two.
I don't because those engines have almost nothing in common with what I do. They may, perhaps, prove the point that lightweight oil can provide adequate protection even in the most stressful environments, but as to whether that should be any part of your decision on what oil to run, I say no.
01-08-2012 06:46 PM
teamDFL
Quote:
Originally Posted by whynotthinkwhynot View Post

Could you provide a picture of one of those Zetec lifters please?


I think since it doesn't actually lift anything the correct term is a hydraulic lash adjuster. But old people like me are want to call the part that rides on the cam a lifter even when technically it may not be.
01-08-2012 06:40 PM
whynotthinkwhynot
Quote:
Originally Posted by teamDFL View Post
Early Zetecs had sticking valve lifters when people ran 40wt instead of 30wt. No big deal as the engine is non-interference, but if it weren't that could certainly have been ugly.

Could you provide a picture of one of those Zetec lifters please?
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