BEST conventional oil
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Posting Guru
Joined: Oct 2003
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BEST conventional oil
What is the best conventional oil out now? I have been using Castrol GTX 10w-30 in my 86 EFI 302 and it seems VERY happy. Is thier a BETTER oil that would make me happier.
Some choices are
Val All climate
Val max life
Castrol HM
Moble drive clean 5000/7500
Rotella T syn 5w-40-BUT I'm concerned about the cat with a diesel oil
Super tec
Super Tech syn
Pretty much ANY conventional oil with GREAT Numbers on paper
Dustin
Some choices are
Val All climate
Val max life
Castrol HM
Moble drive clean 5000/7500
Rotella T syn 5w-40-BUT I'm concerned about the cat with a diesel oil
Super tec
Super Tech syn
Pretty much ANY conventional oil with GREAT Numbers on paper
Dustin
Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
Originally Posted by Dustin_86
What is the best conventional oil out now? I have been using Castrol GTX 10w-30 in my 86 EFI 302 and it seems VERY happy. Is thier a BETTER oil that would make me happier.
Some choices are
Val All climate
Val max life
Castrol HM
Moble drive clean 5000/7500
Rotella T syn 5w-40-BUT I'm concerned about the cat with a diesel oil
Super tec
Super Tech syn
Pretty much ANY conventional oil with GREAT Numbers on paper
Dustin
Some choices are
Val All climate
Val max life
Castrol HM
Moble drive clean 5000/7500
Rotella T syn 5w-40-BUT I'm concerned about the cat with a diesel oil
Super tec
Super Tech syn
Pretty much ANY conventional oil with GREAT Numbers on paper
Dustin
my top choices are chevron/havoline outstanding numbers on paper and on voa's and uoa's
i would also use valvoline durablend
Logistics Pro
Joined: Nov 2002
Posts: 4,788
Likes: 20
From: Mansfield, TX USA
Originally Posted by Dustin_86
What is the best conventional oil out now?
Originally Posted by Dustin_86
What do you think Rotella T syn 5w 40??
Posting Guru
Joined: Jul 2002
Posts: 1,147
Likes: 1
From: East Coast
The one and only thing everyone will agree on is to change it frequently.
Personally, I stay away from the .94c value oil, I usually use Valvoline. people seem to like the castrol GTX.
I wouldn't change to any synthetic in such an old motor.
Personally, I stay away from the .94c value oil, I usually use Valvoline. people seem to like the castrol GTX.
I wouldn't change to any synthetic in such an old motor.
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Fleet Owner
Joined: Jan 2004
Posts: 26,007
Likes: 575
From: Brentwood,CA
Personally, I stay away from the .94c value oil
yeah same here i hate that stuff
i buy the .49 chevron supreme when its on sale.
yeah same here i hate that stuff
i buy the .49 chevron supreme when its on sale.
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Post Fiend
Joined: Jan 2003
Posts: 8,600
Likes: 4
From: Iowa
Well, my personal favorite is Mystik JT-8. I've done UOA's on it, and a VOA. See the following links:
https://www.ford-trucks.com/forums/s....php?&t=272533
https://www.ford-trucks.com/forums/s....php?&t=287358
https://www.ford-trucks.com/forums/s...d.php?t=258692
https://www.ford-trucks.com/forums/s....php?&t=272533
https://www.ford-trucks.com/forums/s....php?&t=287358
https://www.ford-trucks.com/forums/s...d.php?t=258692
Logistics Pro
Joined: Nov 2002
Posts: 4,788
Likes: 20
From: Mansfield, TX USA
Originally Posted by nickmobile67
Personally, I stay away from the .94c value oil,
Elder User
Joined: Jun 2004
Posts: 692
Likes: 0
From: Houston
Rusty, you took the words out of my mouth. I once worked for Kerr-McGee before they sold their lubes business to Citgo. At the time, Mystik was considered a great oil. I'm glad to see that Citgo is keeping up the good work. I'm currently running synthetic but would go back to JT-8 if I went back to a conventional oil.
