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OT- Changing oil brands

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David B

02-21-2005 12:24:25

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I"ve heard if I change the kind of oil in my pickup it will ruin the engine. It"s had Penzoil in it for a long time, and I"d like to go back to Motorcraft.

It"s a 1995 Ford F150 4x4. 302cu V8.

The engine has a vacuum problem, had it since we bought it from the original owner 5 years ago, we"ve put 66,000 miles on it since. It"s carboned up some, the guy who had it was an older gentleman who didn"t let his foot go.

The engine runs great, and the milelage is OK. I just want to stop using Penziol, Dad always said Penziol was junk.

Thanks guys

David

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Indydirtfarmer

02-22-2005 10:08:59

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Re: OT- Changing oil brands in reply to David B, 02-21-2005 12:24:25

I've never used anything BUT Pennzoil. Never had an engine failure yet, other than one tractor I bought WITH a blown engine already. I run about 60,000 a year in my pick-up. 4 tractors, a grain truck 2 lawn mowers, a combine, the wifes car, and several small engines. NOTHING BUT PENNZOIL!

My dad would run whatever was cheap. Never the same brand twice in a row. Mixed everything. Never had any trouble there either.

Just keep oil in the danged thing (Hear that Big Mike????)

I also use Pennzoil hydraulic fluid.... And Fram filters or John Deere filters. (K&N AIR FILTER on the Dodge/Cummins)

More important than BRANDS is changing oil and filters, and keeping everything else working properly on your vehicles.

Did I mention I use ONLY Pennzoil????

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Dug

02-22-2005 19:51:05

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Re: OT- Changing oil brands in reply to Indydirtfarmer, 02-22-2005 10:08:59

Pennzoil and John Deeres. You're a good man, Indy!

Dug

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dej(JED)

02-22-2005 06:32:29

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Re: OT- Changing oil brands in reply to David B, 02-21-2005 12:24:25

My GMC right rear tire keeps going flat. Do you think if I switched motor oils it would stop?????

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Vern-MI

02-22-2005 12:43:27

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Re: OT- Changing oil brands in reply to dej(JED), 02-22-2005 06:32:29

If'n you was to put the oil in the tire!

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big fred

02-22-2005 09:44:56

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Re: OT- Changing oil brands in reply to dej(JED), 02-22-2005 06:32:29

That's a common problem on GMC trucks. Check with your dealer to see if there is a recall. He may simply ask you to come in and he'll put air in it free of charge.

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sammy the RED

02-22-2005 08:03:04

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Re: OT- Changing oil brands in reply to dej(JED), 02-22-2005 06:32:29

Change the rear end oil. ;o]

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RickL

02-22-2005 06:09:27

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Re: OT- Changing oil brands in reply to David B, 02-21-2005 12:24:25

We run rural mail route vehicles that take a beating. Oils used have been Pennz,walmart brand,valvoline etc. As long as rated for type engine you have I can't see any differnce. Vehicles are all run to 300,000 usually. Brakes thats another story. I buy the Oil in 55 gallon barrels anyway so we don't switch that often anyway. But Iwould have to say in our usage pennz brand would be the most used. But its not big deal. What ever suits

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leland

02-21-2005 20:36:41

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Re: OT- Changing oil brands in reply to David B, 02-21-2005 12:24:25

I see now that mobil one has a oil that will go 15000 miles what do you folks think? and B&D I would love your thoughts.

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buickanddeere

02-21-2005 22:06:15

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Re: OT- Changing oil brands in reply to leland, 02-21-2005 20:36:41

Not getting into this one. A persons personal feelings on a topic outweigh any logic that's contrary, when when the facts are presented by about 95% of other people. Oil specs and leaded gasoline have to be some of the greatest technical unknowns and subjects of old wives tales. Proper installation and torquing of fasteners rates right up there too, along with electricity.

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leland

02-22-2005 05:58:55

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Re: OT- Changing oil brands in reply to buickanddeere, 02-21-2005 22:06:15

B&D are you feeling OK or did you drink some reactor water you just seemed to have changed some how.

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txblu

02-22-2005 05:26:24

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Re: OT- Changing oil brands in reply to buickanddeere, 02-21-2005 22:06:15

Wise man speak truth..... now you wouldn't be punnin me about my thread concerning using my impact tool to torque my heads are you? Har Har.

For what it's worth, I calibrated the thing with a wrench first. Cleaned up all bolt threads and lubed them. Then ran them down and watched them stop turning then the prescribed number of whacks (at 100 psig regulated) and that was that.

I did buy some Mobil 1 at Wallyworld (brand new listing for them) rated 5w 40 with the CI-4 and SJ service ratings. Says it's made for trucks and suv engines including the strokers.

I certainly agree with your comment about regardless of what people say, we do what we want anyway.....just looking for someone else to agree. Grin

See ya,

Mark

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Dug

02-21-2005 21:05:53

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Re: OT- Changing oil brands in reply to leland, 02-21-2005 20:36:41

I hope Mobil will warrantee the engine cause the manufacturer won't.

Dug

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Dug

02-21-2005 20:32:07

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Re: OT- Changing oil brands in reply to David B, 02-21-2005 12:24:25

Switching brands will not cause any problems.

Your preference in oil brand, be it Penz, Motorcraft, etc., will make no difference either. Everyone has an opinion on brands, just make sure you change it according to your manuals recommendations. (We could even get into a debate on this topic, I change every 5,000 miles, others will insist on every 3,000. Some folks never change the oil, they just change their cars!)

Dug

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Jerry/MT

02-21-2005 20:15:58

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Re: OT- Changing oil brands in reply to David B, 02-21-2005 12:24:25

As long as the oil you change to meets the SAE weight requirements for your vehicle and has the same or newer API service classification, you'll be fine.

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sammy the RED

02-21-2005 19:53:23

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Re: OT- Changing oil brands in reply to David B, 02-21-2005 12:24:25

Have a Bow Tie 3/4 ton with 204,000 miles on it.
At 110,000 put a new manifold gasket in it.
Was clean as a whistle inside.
Only oil I ever used in it is PENNZOIL.

On my Super M-TA I had a valve cover gasket spring a leak one spring while planting corn with JD 494-A planter. When I took the valve cover off guess what I found ? ... NO SLUDGE ! ... Only oil that has ever been in it is PENNZOIL.

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02-21-2005 19:26:51

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Re: OT- Changing oil brands in reply to David B, 02-21-2005 12:24:25

Your Dad is a wise man. I remove the valve covers on my Dad"s 90k Buick with a lot of them road miles. It had a lot of sludge. Penzoil was used.

On the other hand I removed the valve cover and pan on my 100k Ford that has same type of mixed mileage. Maybe even a bit more in town driving. I used Quaker and Valvoline. It was almost clean as a whisle.

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NC Wayne

02-21-2005 18:15:34

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Re: OT- Changing oil brands in reply to David B, 02-21-2005 12:24:25

Hey David, I'm no oil salesman, but I have no problem speaking out for products I've tried personally and know are good. That said, if you want to run about the best oil on the market try getting some from Lubrication Engineers. Their motor oil is so good / slick that they tell you up front to not put it in a new engine or it will not seat the rings. We started running it in our service trucks this past summer. I've got a 8.7 liter Detroit in mine that last winter didn't even want to spin over fast enough to start below 40 degrees. This winter it has started with no problems til it got down in the 20's. True it's a diesel but I'm pushing around a 32,000 lb truck full time and getting nearly 8 MPG. Both of our trucks hav Allison Automatics and it has made them shift smoother than the Texaco fluid we were using. I also got a customer started on their products and he's having really good luck out of it too. I watched discharge temps on his air compressors,after he changed them over to LE oil and it dropped those by nearly 15 degrees over everything else he had tried in it. Like I said I'm no oil salesman, and I can't give all the technical mumbo jumbo, but being out there working on equipment everyday I know good stuff when I see it.

Lubrication Engineers

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Gene Davis (Ga.)

02-22-2005 19:18:54

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Re: OT- Changing oil brands in reply to NC Wayne, 02-21-2005 18:15:34

What about the cost of the LE products compared to all other brands?

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buickanddeere

02-21-2005 17:14:58

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Re: OT- Changing oil brands in reply to David B, 02-21-2005 12:24:25

I think I'll just sit this thread out instead of responding.

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mattd

02-21-2005 16:12:08

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Re: OT- WHATS YOU MPG? in reply to David B, 02-21-2005 12:24:25

hey david i have the same vehicle and i only get 12 miles per gallon. it has been getting better sinced i switched to a synthetic blend motor oil. almost 13 mpg! how much do you get. i think i should at least get 15. also how much does your gas tank hold. ive only ever been able to get 13 gallons in.

matt

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Don L C

02-21-2005 17:27:54

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Re: OT- WHATS YOU MPG? in reply to mattd, 02-21-2005 16:12:08

YA got to remember ,gusy the rear end rato has a lot to do with gas milage...one truck might have a 3.50 and the other a 4.11 ,big differance....As far as oil goes any good brand with the spec. called for in the manual will do fine...Now the vacuun leak...a leak should cause a rough idle ...with engine running (you could add a vacuum guage)spray the hoses with WD-40 engine should smooth out for a short time.....The older 460's intakes used to loosen..retighten starting in the middle....I hope I helped somebody.....don

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buickanddeere

02-21-2005 22:09:08

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Re: OT- WHATS YOU MPG? in reply to Don L C, 02-21-2005 17:27:54

In cold weather synthetic will save fuel. The oil doesn't get as thick in the engine, transmission, transfer case and differentials. Less fuel burned to churn the gears through the less viscous oil.

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David B

02-21-2005 16:47:05

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Re: OT- WHATS YOU MPG? in reply to mattd, 02-21-2005 16:12:08

I have dual tanks, one tank holds 19 gal, the other 18 gal according to my owner's manual.

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David B

02-21-2005 16:38:52

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Re: OT- WHATS YOU MPG? in reply to mattd, 02-21-2005 16:12:08

I get 10-13, depending on where I drive, how fast I get there, and if I start it early and let it warm up. School is only 2 miles away, most trips go there. Took it on a long trip when we first got it. Had it loaded so the box sunk down, and got 21.
Driving it to Sterling, KS this weekend, 350 miles I think. I'm going to see how she'll do- gonna leave the 200 lbs of bagged salt in (gets better MPG loaded)

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thejdman01

02-21-2005 16:07:42

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Re: OT- Changing oil brands in reply to David B, 02-21-2005 12:24:25

i would run a good oil flush between oil changes helps flush carbon out

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dhermesc

02-21-2005 14:06:12

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Re: OT- Changing oil brands in reply to David B, 02-21-2005 12:24:25

Stitching from from dino brand to another will have very little effect - there are some differances in their chemical make up, not enought to "ruin" and engine. Where you might have an issue is if you switched an extremely dirty engine to a synthetic. They will "clean out" an engine with their high detergent levels and COULD (anything can happen) clog up the oil filter or a return hole.

I have a 1984 F150 with a 302 that had a couple extremely noisy lifters. Like yours an old man had it that never blew the cobs out on it. At 20 years old it only had 71,000 miles - less then 4000 miles a year. This winter I changed the oil (Castrol GTX 10W-30) at only 1500 miles after the previous oil change revealed an nasty looking mess. Even with only 1500 miles the oil came out looking pretty dirty and I refilled it with a Castrol Sythetic BLEND - I plan on changing it again after another 1500 miles and putting in Rotella 5W40 sythetic for summer use. The second start up after filling the crankcase with the sythetic blend the lifters made no noise and haven't since.

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David B

02-21-2005 14:11:43

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Re: OT- Changing oil brands in reply to dhermesc, 02-21-2005 14:06:12

Does your truck have problems with the AC coming out the defrost when your foot's in it? That's what caused us to have the engine checked out and found out about the vacuum problem.

David

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Bryan In Iowa

02-22-2005 06:04:12

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Re: OT- Changing oil brands in reply to David B, 02-21-2005 14:11:43

Most times when that happens,I 've found bad heater mode switch , leaking vac servo motor , or vac supply line . Easy to find with smoke machine .

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Jon H

02-21-2005 15:11:07

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Re: OT- Changing oil brands in reply to David B, 02-21-2005 14:11:43

Your pickup has a vacuum tank to store enough vacuum to run the heater/ac system for short runs at or near wide open throttle. your problem sounds like a leaking vacuum hose or a bad check valve between the engine and vacuum tank.

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David B

02-21-2005 16:44:47

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Re: OT- Changing oil brands in reply to Jon H, 02-21-2005 15:11:07

You would think that the Ford dealer would have noticed it. Might take it to someone else and have it looked at.
The dealer might not have had the stuff to check that. Was a really small dealer, and is no longer a dealer since Ford only wanted big dealers (eliminated all the little guys)
Plus, he's a good guy, and his son and I are friends. We bought our last 2 new Fords off him. He does all the maintainance on our stuff.

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big fred

02-21-2005 14:41:16

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Re: OT- Changing oil brands in reply to David B, 02-21-2005 14:11:43

I don't know about the F-150, but the A/C in my '90 Ranger is designed to cut out the compressor clutch at WOT (wide open throttle). It would seem reasonable that all Ford truck A/C are built that way. It gives you full engine power when you need it, instead of having the compressor sucking several hp when you're trying to pass a truck.

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dhermesc

02-21-2005 14:19:15

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Re: OT- Changing oil brands in reply to David B, 02-21-2005 14:11:43

No vaccume problems that I'm aware of. Even with no overdrive I'm getting about 15-16 MPG out of a carbed pickup. When I first bought it it was only getting 12-13 mpg. Its running better as the carbon gets cleaned out and as I stitch out plugs, plug wires, rotar&cap and so on. There's a boat load of vaccume lines that can lead to that problem on those pickups.

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big fred

02-21-2005 12:52:15

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Re: OT- Changing oil brands in reply to David B, 02-21-2005 12:24:25

You'll be okay switching. I've used Pennzoil in my '95 F-150 for the last 130,000 miles, don't know what the first owner used. Many years ago I had a Volvo that the previous owner used Pennzoil for 120,000 miles, judging by the entries in the owner's manual, I bought it and switched to Quaker State for the next 120,000 miles. The feller I sold it to was a diehard Valvoline user, so I imagine that's what he used, and he drove it for at least another 5 years. It used about a quart in 3,000 miles all the time I had it, but that was mostly from a leaky pan gasket.

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