Posted By: MoparJunkie
Which oil? - 04/01/10 01:02 PM
Okay guys, this is an age old question again.... Which oil should I run for my 440???? New build break in and regular maintenance???
Which oil?
Posted By: Hoof Hearted
Re: Which oil? - 04/01/10 03:42 PM
Posted By: BELVEDERE67
Re: Which oil? - 04/01/10 03:56 PM
Yes it's been asked alot before. For breakin, I've used Rotella 10-40. There has been some question about the zinc composition which is needed during break-in. I found some STP red bottle additive which is supposed to have alot of zinc. GM EOS oil supplement is also good but getting hard to find for some. After break-in, it's just your own preference. I like Castorol because it seems to hold good oil pressure compared to others. Bottom line change oil often
Posted By: Triggerfish
Re: Which oil? - 04/01/10 04:01 PM
I switched to VR1 20/50 racing oil because its easier to get than the Brad Penn I was using. Has more phosphorus & zinc than most. Check out www.bobistheoilguy.com Great site about oils, etc.
Posted By: Anonymous
Re: Which oil? - 04/01/10 04:05 PM
hmmm lets see. for my engine breakin I used the cheapest oil wallmart had (10w30) along with superweak valvesprings. after cam breakin and a hour to change back to the good springs. twas good to go. and for 'regular' running I use the cheapest oil wallmart had (10w30), changed every 2000miles w/ new filter and again with no problems.
Posted By: 71scamp440
Re: Which oil? - 04/01/10 06:10 PM
Quote:
hmmm lets see. for my engine breakin I used the cheapest oil wallmart had (10w30) along with superweak valvesprings. after cam breakin and a hour to change back to the good springs. twas good to go. and for 'regular' running I use the cheapest oil wallmart had (10w30), changed every 2000miles w/ new filter and again with no problems.
now i might not know alot, but your looking to wipe out your cam. unless you have a newer car that cheap walmart oil is not what you want. you need an oil rich with zinc , or you need to use some zinc additive with the walmart oil. just my
. i use the brad penn green oil. st 30 for break in, and 10w30 after break-in
Posted By: Anonymous
Re: Which oil? - 04/01/10 06:14 PM
and I know less then pretty much anybody. BUT I do know that I never wiped any cam during breakin. many many years of good service. zinc this and that is all marketing hype. todays oils, even the cheap stuff is vastly superior to anything refined 30+ years ago.
Posted By: stumpy
Re: Which oil? - 04/01/10 06:21 PM
You have been lucky so far. The zinc has been pretty much taken out of the new oils and that makes them bad for the old tech cams. The new roller and overhead cams don't need the zinc but or flat tappet cams do.
Posted By: James74
Re: Which oil? - 04/01/10 06:24 PM
is the zinc needed just for break in, or do flat tappet engines continue to need zinc? From what I read, I got the idea that new oil probably still has enough zinc for lubrication once the cam is broken in?
Posted By: stumpy
Re: Which oil? - 04/01/10 06:26 PM
Once the cam is broken in then the normal oil will have enough zinc in it to control excessive wear.
Posted By: dOrk !
Re: Which oil? - 04/01/10 06:35 PM
Quote:Quote:
hmmm lets see. for my engine breakin I used the cheapest oil wallmart had (10w30) along with superweak valvesprings. after cam breakin and a hour to change back to the good springs. twas good to go. and for 'regular' running I use the cheapest oil wallmart had (10w30), changed every 2000miles w/ new filter and again with no problems.
now i might not know alot, but your looking to wipe out your cam. unless you have a newer car that cheap walmart oil is not what you want. you need an oil rich with zinc , or you need to use some zinc additive with the walmart oil. just my
Just a note ... the WallyWorld oil has the same spec as most good oils out there B U T ....
I would agree that HE is lucky that he does not wipe-out the cam with super-weak valve-springs.
ACCORDING to some of the cam literature I have read .. if you do not have proper-pressure on the lifters .. the lifters will not correctly rotate.
Posted By: Anonymous
Re: Which oil? - 04/01/10 06:46 PM
nah... there just my "break-in" valvesprings. makes my life easier.
Posted By: moparcanuk
Re: Which oil? - 04/02/10 01:25 AM
Use a good quality oil like Castrol or Valvoline and a zinc additive like ZDDP.
Posted By: ahy
Re: Which oil? - 04/02/10 01:44 AM
Current car oils have around 500-600 PPM zinc. Most say you need 1100 - 1300 with a flat tappet cam. More with high spring pressure. Always.
Cam companies, engine builders and car mags have written about this. Lots of posts about flat cams kinda prove it.
There are lots of solutions to this folks have used. Adding ZDPP or GM EOS to regular car oil is one. Some 20W-50 racing oils have higher zinc (and some dont't I believe). There are speciality classic car oils and 4 stroke motorcycle oils with high zinc.
I choose diesel engine oil. Rotella T in 10W-30 or 15W-30. Its readily available and reasonably priced. It still has 1100-1200 PPM zinc. I add STP for insurance. For break in add EOS, ZDPP or STP.
Cam companies, engine builders and car mags have written about this. Lots of posts about flat cams kinda prove it.
There are lots of solutions to this folks have used. Adding ZDPP or GM EOS to regular car oil is one. Some 20W-50 racing oils have higher zinc (and some dont't I believe). There are speciality classic car oils and 4 stroke motorcycle oils with high zinc.
I choose diesel engine oil. Rotella T in 10W-30 or 15W-30. Its readily available and reasonably priced. It still has 1100-1200 PPM zinc. I add STP for insurance. For break in add EOS, ZDPP or STP.
Posted By: CompSyn
Re: Which oil? - 04/02/10 09:56 AM
Here's a recent article on motor oil from Mopar Muscle Magazine:
Choosing The Best Oils For Your Mopar Engine - Lifeblood; Dave Young, March, 2010 issue of Mopar Muscle - link
Choosing The Best Oils For Your Mopar Engine - Lifeblood; Dave Young, March, 2010 issue of Mopar Muscle - link
Quote:
All oils perform the same duties, but some perform them better than others. What factors do you consider when choosing a motor oil? - Dave Young, March, 2010 issue of Mopar Muscle Magazine
Posted By: 71scamp440
Re: Which oil? - 04/02/10 01:54 PM
Quote:
is the zinc needed just for break in, or do flat tappet engines continue to need zinc? From what I read, I got the idea that new oil probably still has enough zinc for lubrication once the cam is broken in?
i still use the zinc oil after break in. i might not have to, but i am not willing to risk the $300 cam.