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What motor oil do you use and why?

98ctd said:
A flat tappet cam needs a 20 min at 2000 rpm break in according to comp cams. They say if not broken in properly you can round off the lobes. Rings need to seat too but I think you do that by varying rpm and getting after it lol.
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People still run flat tappet lifters?? Long live SBC!! lol



02NavyBlue said:
I put synthetic in my car for the first time, and after 500 miles it was already getting dark. I was thinking the same thing. I may put a little seafoam in the oil 50-100 miles before changing to maybe clean it a bit more to sse if the oil will start staying cleaner longer.
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You running a bigger filter? Will have more surface area to catch and hold more crap.
 


Kejross said:
You running a bigger filter? Will have more surface area to catch and hold more crap.
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No, I'm changing it at 3,000 miles since it got dark so quick. If it is cleaning up the engine a bit, my second oil change should stay clean longer, and I may extend it. So getting a larger filter should benefit.
 
You may already know, but I just got the same filter my truck takes. 4.3l 1998
GMC 1500. It's like an inch or more longer. And a warning goes with that... If your hydraulic motor mount pops and you have that longer filter, it will hit the subframe and put a hole in filter fairly quickly. I ran solid rubber mounts for engine and trans so I didn't have to worry.
 
Kejross said:
People still run flat tappet lifters?? Long live SBC!
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us poor folk can't afford them there fancy rolling valve trains lol. It was actually a 351 Cleveland we just put in my dads 70 Torino gt, best part of the whole build holding it at 2000rpm for 20 minutes open headered!
 
02NavyBlue said:
No, I'm changing it at 3,000 miles since it got dark so quick. If it is cleaning up the engine a bit, my second oil change should stay clean longer, and I may extend it. So getting a larger filter should benefit.
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just keep changing it at 3,000 filter wont matter so much, the oil is dark its not like stuff is floating in it. its still filtered, just got all that burn oil residue in it now.


my oil used to be black with in a 1000 miles after a oil change, the rockers were black as night, slowly they are cleaning up and my oil stays golden longer now, im at about 1000 miles in on my last oil change, its still golden looking.

im the 9 th owner of my car, it was neglected by the last few owners for sure.
 


Castrol synthetic because I like John Force. Mobile 1 if I need to do a change and Castrol is not on sale.
Filters I like PureOne, Wix, Bosch, K&N, Mobile 1.
 
02NavyBlue said:
If it is cleaning up the engine a bit, my second oil change should stay clean longer, and I may extend it. So getting a larger filter should benefit.
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Keep in mind the steel pan has about 3/8" of fluid below the drain plug. You don't get all the oil out on a steel pan.
 
Wow, take it straight from the company. Even Valvoline suggest that you go to Walmart to get your oil since they have the most reasonable prices.
valvolinez.jpg
 


As far as every auto parts store is concerned, it's on sale 100% of the time. Their sale piece just matches walmart's normal price. Saving $7 on top of that is just "stupid cheap".
 


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