What oil are you running?? - Ford Bronco Forum
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post #1 of 202 (permalink) Old 03-02-2009, 12:36 PM Thread Starter
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Bronco Info: 89 Bronco XLT 4x4, 351, C6, BW1356, 33x12.5x15's
What oil are you running??

Hello All, Just curious what oil viscosity you all are running. I usually use Mobil 1 synthetic in all my cars, but wondering what viscosity you all use. I havent had a car this old with this many miles in a while. I have 137k. I assume you all have high mileage as well as all of our trucks are on the older side. Anyway, just curious, please give me opinions...Thanks,

89 Bronco XLT 351, C6, 33x12.5x15's.
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post #2 of 202 (permalink) Old 03-02-2009, 12:48 PM
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Bronco Info: Puke Green Lot's of lift and 38s with Dana 60 SAS and 10.25 Rear
pretty sure im running 5w30. And it really depends on what the good deal is, I run high mileage oil.

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post #3 of 202 (permalink) Old 03-02-2009, 12:49 PM
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Valvoline VR1 20W50
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post #4 of 202 (permalink) Old 03-02-2009, 01:01 PM
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Bronco Info: 1989 351, C6, 6in superlift, 4.56's, 36in TSL's
i like castrol 20w-50.

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post #5 of 202 (permalink) Old 03-02-2009, 01:02 PM
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Bronco Info: 92 Eddie Bauer Bronco 5.0, E4OD,MAF Conv, sixltre tune-up, OBA, on 31x10.50x15s
advance auto brand 10W30


92 Eddie Bauer bronco 5.0--Travis

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post #6 of 202 (permalink) Old 03-02-2009, 01:54 PM
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Bronco Info: 1988 F-150 5.0, C-6, 31x10.50 Firestone Destination A/T, MAF conversion
Shell Rotella 15W-40 this oil change...

1988 Ford F-150 4x4
5.0, C6, and some junk done to it.....
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post #7 of 202 (permalink) Old 03-02-2009, 01:57 PM
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Bronco Info: 1995 Bronco E.B. Sixlitre Ignition Upgrade, Tranny External Filter, Warn Premium Hubs
Garage
Mobil 1 10W-30
Sean
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post #8 of 202 (permalink) Old 03-02-2009, 02:02 PM
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Bronco Info: 93 F-150 4x4
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Originally Posted by Kpate View Post
Shell Rotella 15W-40 this oil change...
Isnt Rotella their diesel oil line?

93 F-150 5.0 reg cab, swb, 4wd
08 135i - full bolt on
03 GTI VR6 6spd sold
96 Formula-WS6, 1LE, M6, 1 of 10 sold
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post #9 of 202 (permalink) Old 03-02-2009, 02:06 PM
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Bronco Info: 1995 XLT 5.8L
Oil

Quote:
Originally Posted by WickedBronco View Post
Hello All, Just curious what oil viscosity you all are running. I usually use Mobil 1 synthetic in all my cars, but wondering what viscosity you all use. I havent had a car this old with this many miles in a while. I have 137k. I assume you all have high mileage as well as all of our trucks are on the older side. Anyway, just curious, please give me opinions...Thanks,
Mobil 1 10w - 30
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post #10 of 202 (permalink) Old 03-02-2009, 03:09 PM
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Bronco Info: '90 bronco 351w -8.8 -dana 44 -e4od 32x10.50s WORK IN PROGRESS!!!
The bottles just above the RED SALE sticker !!!!!!! It always has a W in it!!!
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post #11 of 202 (permalink) Old 03-02-2009, 03:22 PM
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Bronco Info: 1980 Bronco 2nd owner all stock 300 w/4 spd
Mobil One in everything I own........the J10 360 motor pegged the temp guage wheeling one time in the middle of the woods, Turned the fans back on (DOH)and drove it out of there an hour to home......approx 275 degrees...
and it lived to wheel another day....Mobil one tester here.....I have used it in 3 vehicles and the 2 I have now.......

1977 Jeep J10

1980 Bronco 115k 2nd owner stock 31s new parts
2000 Jeep Wrangler 31 Firestone M/Ts
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post #12 of 202 (permalink) Old 03-02-2009, 03:24 PM
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Bronco Info: 1986 Bronco XLT 4x4 -AOD -Warn Hubs, NEW stock 302EFI (2008) All MSD ignition, 9mm FMSR wires
Currently running Ford Motorcraft 10W-30 Synthetic Blend......made especially for small block Ford engines.......

I swappped in a new 302 EFI long block this past Sept and the engine builder had me running 20W-50 and Zinc additive for the break in up to 500 miles, change oil & filter and after around 1500 miles I started getting lifter bleed down overnight PITA, where eventually the rocker arm was floping around and I tried to adjust it but no change these are Ford OEM non-adjustable rockers.....I thought the oil was to way thick to flow.........

They sent me to their "Warranty" guy and he changed 4 of the pushrods to slightly longer length.....which I never heard of doing........ it runs better but I still get a nano second of lifter noise on start up every once in a while so I'll drive it for another week and see where we are and if necessary he can replace all the lifters as far as I'm concerned......currently I have around 3,000 on it now.........

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post #13 of 202 (permalink) Old 03-02-2009, 03:24 PM
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Bronco Info: Sold
Motorcraft 5W-30 (winter) and Motorcraft 10W-30 (rest of the year) paired with a Motorcraft FL-1A filter.

1997 Ford F250 Heavy Duty XLT 4x4
7.3L PSD CCSB, E4OD, D50 TTB, 10.25 FF LS, 3.55's
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post #14 of 202 (permalink) Old 03-02-2009, 03:35 PM
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Bronco Info: 1993 XLT 351 OJ, 33 tires, 2 in lift, 3 in exhaust
Quote:
Originally Posted by dcox75 View Post
The bottles just above the RED SALE sticker !!!!!!! It always has a W in it!!!
Same here with the brand. Although I have a preference for 10w30.
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post #15 of 202 (permalink) Old 03-02-2009, 03:40 PM
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Bronco Info: 95 Bronco 5.0HO shortblock, Crane 2030 roller cam,powerheads early 351w heads, shorties w/Ypipe
Quote:
Originally Posted by Kpate View Post
Shell Rotella 15W-40 this oil change...

Ditto. I am still breaking in my new engine, and I always use the Rotells, becouse I feel it has better addatives for break in. Im going to change it the next few days, and I will be going with 10w30.

Paul B

'95 Bronco XLT 5.0L/e40d working on 5.0HO Crane 2030 cam,early 351W heads ported w/194 valves,shorties,Homemade Ypipe,K&N CAI,Flowmaster cat back,procomp 3000 shocks,MM manual hubs
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post #16 of 202 (permalink) Old 03-02-2009, 03:45 PM
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Bronco Info: smells like gear oil
Mobil1 5/10w30 in my 351 and 302.

210k on the bronco's 302 and still hits 5500rpm like it was easy.

92 EB - 302/E4OD (205,000mi) - Eric
+ lots of cool crap.


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post #17 of 202 (permalink) Old 03-02-2009, 04:01 PM
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Bronco Info: Puke Green Lot's of lift and 38s with Dana 60 SAS and 10.25 Rear
Alright, this is going to sound silly, but I know the different numbers are different thicknesses.

We all run different weights, what gives? Before I started doing my own oil changes the place I went to ran 5w30 so thats what I continue to run.

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post #18 of 202 (permalink) Old 03-02-2009, 06:36 PM
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Bronco Info: 96 xlt, 5.8 , flowmaster cat back kit, frpp 9mm wires, Heatbuster 4 row radiator, 3G upgrade.
Valvoline max life 5w30
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post #19 of 202 (permalink) Old 03-02-2009, 06:41 PM
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Bronco Info: 96 stock till spring09
anything but 10w30 in a windser or windser jr is bad
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post #20 of 202 (permalink) Old 03-02-2009, 07:27 PM
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Bronco Info: smells like gear oil
Quote:
Originally Posted by 96GreenMonster View Post
Alright, this is going to sound silly, but I know the different numbers are different thicknesses.

We all run different weights, what gives? Before I started doing my own oil changes the place I went to ran 5w30 so thats what I continue to run.
Well, you've got a 302 right? You're actually supposed to be running 10w30. The 351's run 5w30.

You can run heavier oils in a more worn out motor to assist with oil pressure, but in a motor in good or ok condition, there's no reason to run heavier oils, other then stupidity.

Quote:
Originally Posted by bjb68bjb View Post
anything but 10w30 in a windser or windser jr is bad
IIRC, this is the second post of yours I've seen that is either stupid, or in which you have no idea of what you're talking about.

92 EB - 302/E4OD (205,000mi) - Eric
+ lots of cool crap.


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I am sorry to have bothered you on your forum, you should post on the home page though, dont ask any questions cause if you dont know you are stupid...
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