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#2324540 - 07/22/11 08:08 PM Ford Modular V8's 4.6 What Oil And Weight ??
crazyoildude Offline


Registered: 07/23/08
Posts: 9808
Loc: New Jersey
What oil and weight is everyone using in their ford modular v8 engines Both 4.6 And 5.4 ??
What years Do You Have And Do You Mix Weights Like 5w20 with 5w30?


Edited by crazyoildude (07/22/11 08:12 PM)

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#2324546 - 07/22/11 08:14 PM Re: Ford Modular V8's 4.6 What Oil And Weight ?? [Re: crazyoildude]
musicmanbass Offline


Registered: 05/15/10
Posts: 620
Loc: Smyrna, TN
I had a '96 TBird 4.6. Used 5-30 dino every 3-5k for the 120,000 miles I had the car. Never an oil related issue to speak of.
_________________________
2003 Lincoln LS V8 133k miles Gold Edge 5-20, FL2021
2008 Lincoln MKX 57k miles Gold Edge 5-20, M1-209

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#2324554 - 07/22/11 08:21 PM Re: Ford Modular V8's 4.6 What Oil And Weight ?? [Re: musicmanbass]
Smokefan1977 Offline


Registered: 07/05/11
Posts: 674
Loc: Gilbert, AZ
Pre 2004 M1 0-40
2004+ 5-20

My 99 loves a heavier almost 40wt oil. My best results have been Redline and the M1-0-40 which both run a 3.8

Our 2007 runs well on about any 5-20 i have been happy with PU though
_________________________
2000 F350 7.3 4X4- Highly modded. Redline 15-40
99 F150 2wd. Mobil 0-40 MC820S
07 F150 2wd. Ultra 5-30 or Redline MC820S

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#2324557 - 07/22/11 08:23 PM Re: Ford Modular V8's 4.6 What Oil And Weight ?? [Re: crazyoildude]
Nick R Offline


Registered: 07/14/09
Posts: 11079
Loc: Albany, NY
We used 5W-20 in our expedition, I preferred Motorcraft 5W-20.
_________________________
2013 Ford Focus SE 2.0L/80,000miles/Motorcraft Blend 5W-20/FL910S

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#2324561 - 07/22/11 08:28 PM Re: Ford Modular V8's 4.6 What Oil And Weight ?? [Re: Nick R]
JetStar Offline


Registered: 10/02/08
Posts: 1466
Loc: Flatlands of Indiana
5W-20 Motorcraft semi-synthetic / Motorcraft filter, 2008 Mustang GT.
_________________________
My weakness is I love all motorcycles regardless of brand
2016 Suzuki DR650
2015 Road Glide
2007 Yamaha FZ1
1978 Suzuki GS1000 (now 1085)

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#2324574 - 07/22/11 08:47 PM Re: Ford Modular V8's 4.6 What Oil And Weight ?? [Re: crazyoildude]
Trav Offline


Registered: 11/20/06
Posts: 15131
Loc: MA, Mittelfranken.de
We have a couple of 5.4 here. One is silent on lighter oil but sounds like marbles in a tin can on heavier weights, the other is just the opposite, same year and model.

All i can say is try both and let the engine decide, you will know.
_________________________
ASE L1, Master. Deutsch Meisterbrief.

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#2324589 - 07/22/11 09:08 PM Re: Ford Modular V8's 4.6 What Oil And Weight ?? [Re: crazyoildude]
CROWNVIC4LIFE Offline


Registered: 04/13/09
Posts: 3735
Loc: Miami-Dade County
5W20 Motorcraft Blend in the 05 CVLX.

5W20 Motorcraft Full Synthetic in the 07 GMQ.

5W20 Mobil 1 SN the other 05 CVLX.

WE do not mix 5W20/5W30 weights with any of these ..None of these cars ever used 5W30.
_________________________
05 Ford Crown Vic
5W20 Motorcraft Full Synthetic
Bosh D3410 Filter

07 Merc Grand Marquis
5W20 Motorcraft Full Synthetic
Motorcraft Filter.


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#2324616 - 07/22/11 09:38 PM Re: Ford Modular V8's 4.6 What Oil And Weight ?? [Re: crazyoildude]
Michael_P Offline


Registered: 08/20/07
Posts: 1719
Loc: .
Those engines run well with thick and thin. Many taxi companies use Xw20 with great success and 1/2 million miles plus. Many construction companies use Xw40 with great success and 1/2 million miles plus. Some HiPo versions use Xw50 as well. Too bad 99.999% of all those Modulars are hooked to a dummy gauge, so most of us do not know real oil pressure differences between weights. I like the fact they have the oil pump up front as opposed to the old driven gear system. They do well on low zn/ph oils as well.

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#2324621 - 07/22/11 09:41 PM Re: Ford Modular V8's 4.6 What Oil And Weight ?? [Re: Trav]
HTSS_TR Offline


Registered: 04/17/06
Posts: 19528
Loc: Lake Forest, CA
Originally Posted By: Trav
We have a couple of 5.4 here. One is silent on lighter oil but sounds like marbles in a tin can on heavier weights, the other is just the opposite, same year and model.

All i can say is try both and let the engine decide, you will know.

It's so true. One can't say which viscosity is best for an engine family. You need to try various weights in a particular engine to see which is best for that engine.

My '00 E430 is silent with thinner oil, any xW20 syn, and much louder with the recommended M1 0W40.
_________________________
'00 MB E430
'04 Honda S2000
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'14 Honda Accord LX
"Throwing food away is like stealing it from the poor and hungry" Pope Francis

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#2324693 - 07/22/11 10:46 PM Re: Ford Modular V8's 4.6 What Oil And Weight ?? [Re: crazyoildude]
Clevy Offline


Registered: 11/11/10
Posts: 9783
Loc: Saskatoon canada
0w30 or 0w40. Forget that 5w-20 cafe law conformity {removed profanity} spec


Edited by Bill in Utah (07/23/11 08:11 AM)
Edit Reason: bypassing the censor
_________________________
2006 Charger RT
Miles x 2 per oil filter

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#2324714 - 07/22/11 11:20 PM Re: Ford Modular V8's 4.6 What Oil And Weight ?? [Re: crazyoildude]
MNgopher Offline


Registered: 09/17/02
Posts: 3743
Loc: Lakeville, MN
Had a '97 F150 with a Romeo 4.6. Used 5w30, name your name brand dino brand on sale its whole life I had it (163,000 miles). Didn't burn a drop when I sold it and ran like a top. (Sold it for a 4x4 version of the same truck)

Next truck was a '99 F150 with a Romeo 4.6. This one burned a quart every 3,000 miles on 5w30 and 5w20. A quart every 4,000 on 5w40. Ran like a top when I sold it at 193,000 miles (needed a supercrew). I did one year runs with UOA's (about 3 oil changes per year) on 5w20, 5w30, and 5w40. Negligible differences in UOA results. Fuel mileage took a 7% hit on 5w40 versus 5w20 or 5w30. Before anyone sqwaks, these were for one year periods which meant they got winter use, and it gets cold in MN if you didn't already know it. The winter mileage was a killer. In a warm climate, it may not matter as much. I also did the same thing in my '88 Cherokee and it didn't matter to that one. In the end, I settled on using 5w30 year round for commonality with another vehicle in my fleet.

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#2324740 - 07/22/11 11:46 PM Re: Ford Modular V8's 4.6 What Oil And Weight ?? [Re: Clevy]
crazyoildude Offline


Registered: 07/23/08
Posts: 9808
Loc: New Jersey
forget the 5w20 because of the cafe (removed profanity}
Do you think 5w20 is bad?
If so how... Can you give us reasons why 5w20 is bad?


Edited by Bill in Utah (07/23/11 08:14 AM)
Edit Reason: bypassing the censor
_________________________
Check To See That The Oil Jugs You Buy Have The Exact Amount Of Oil In Them And Have An Inner Seal Under The Cap. I Use Mobil 1 And Fram Ultra Filters

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#2324761 - 07/23/11 12:02 AM Re: Ford Modular V8's 4.6 What Oil And Weight ?? [Re: crazyoildude]
chevrofreak Offline


Registered: 06/17/05
Posts: 4941
Loc: Billings, MT
There isn't a single thing wrong with 5w-20, especially in an application like the 4.6L V8.

I've run many different weights, 5w-20, 5w-30, 10w-30, 0w-40 and 15w-40. The engine ran pretty much the same on all of them, but certain oils did cause fuel economy penalties. If you do not have leaks or consumption, there isn't a single reason I can think of to use anything but a 5w-20.
_________________________
I <3 Red Line oil

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#2324795 - 07/23/11 12:52 AM Re: Ford Modular V8's 4.6 What Oil And Weight ?? [Re: Clevy]
oldmaninsc Offline


Registered: 09/25/06
Posts: 1499
Loc: California
Originally Posted By: Clevy
0w30 or 0w40. Forget that 5w-20 cafe law (removed profanity} conformity spec

What proof do you have of this? I've tried both 5W-20 and 5W-30 and I've seen virtually NO difference. Not in consumption, perceived power, MPG, noise - you name it.

Could it be that there really isn't much difference between the two - not to mention many have said and shown that SOME 5W-30 sheer down to a 20 anyhow!

Right now I have Pennzoil Platinum 5W-20 in my Grand Marquis. Runs great regardless of whether I'm in the Ca./Arizona deserts or Washington winters. 82K miles and counting.

I'll let you know when the "5w-20 cafe law conformity (removed profanity} spec." kills my engine! crackmeup crackmeup crackmeup crackmeup


Edited by Bill in Utah (07/23/11 08:13 AM)
Edit Reason: bypassing the censor
_________________________
2013 Chevrolet Impala LT
2004 Mercury Grand Marquis LS
2005 Toyota Camry LE
1998 Ford F-150 XLT

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#2325026 - 07/23/11 10:33 AM Re: Ford Modular V8's 4.6 What Oil And Weight ?? [Re: crazyoildude]
Falcon_LS Offline


Registered: 10/03/08
Posts: 3881
Loc: Kuwait
Ford recommends 10w-30 for this engine in the Middle East, whilst I have seen 5w-40 recommended for Australia. I'm currently running 0w-30, with no consumption issues at all, but will switch to 5w-40 at my next interval purely for the additive package. That said, I use ACEA A3/B3/B4-04 rated oils at minimum.
_________________________
GC 0W-40
99 Explorer EB: XG8A
00 Pajero: MD352626
01 Grand Marquis: XG2
03 Expedition SSV: XG2
05 Envoy: 51522XP
07 SRX: XG8765

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