I just noticed that Wal*Mart is carrying Accel 10w-40 oil rated SF for cars prior to 1989. I looked at the label but it didn't say anything about ZDDP. Would this oil be approriate for use in a Y-block?

Can't swear to it, but it's likely o.k. Another thing to look for is the Starburst/Gear insignia on motor oil. If you see it, it's "not" for Y-Blocks or any flat tappet engine...

Paul

Accel is an ignition parts company, if they are selling oil they are probably just taking a generic brand and putting their name on it. whether they are installing special additives for older motors is not known, maybe some one has looked up the MSDS sheet on it.

55 Vicky & customline

58 Rack Dump, 55 F350 yard truck, 57 F100

59 & 61 P 400's, 58 F100 custom cab, 69 F100, 79 F150, 82 F600 ramp truck, 90 mustang conv 7 up, 94 Mustang, Should I continue?

The generalized answer to your question is Yes.  Any SFI rated oil with over 30 in its viscosity classification will have the necessary zinc/phosporus (ZDDP) for the flat tappet engines.  Straight weight SFI classified oils in any weight will also have the necessary amounts of zddp as well as any oil that says Racing or High Mileage on the labels.

Here are some past threads discussing oils.  Doing a search for 'ZDDP' or zinc will also net some more.

General discussion 1

General discussion 2

General discussion 3

General discussion 4

Lorena, Texas (South of Waco)

Big Lots also carries Accel oil.  $2.00 per qt., but I havent used it. 

Mike, located in the Siskiyou mountains, Southern, OR 292 powered 1946 Ford 1/2 ton, '62 Mercury Meteor, '55 Country Squire (parting out), '64 Falcon, '54 Ford 600 tractor.

 

My owners manual for my DOHC 4.6 recommends 5W-20 oil for this exact reason.  It doesn't need any thicker viscosity or ZDDP.

Larry D

Winnipeg, MB Canada Eh!


'57 Fairlane 500 Club Victoria

'58 Custom 300 Tudor

'56 Crown Victoria

'61 Starliner Z Code

'51 Ford Victoria

Is there such a thing as to "much" ZDDP? I'm running 10w40 and I was going to add a bottle with it.

       

Gary, 55 Vicky, St. Germain, Wisconsin

 

Yes there is.....but I cannot say if you'll add too much.



http://www.mobiloil.com/USA-English/MotorOil/Car_Care/AskMobil/ZDDP_Levels_Classic_Cars.aspx



There's a LOT of opinion on how much is too much or enough........There's also a lot of info out there on whether 10W-40 (non-syn) oils have too much vi improver too. Some manufacturers recommend against using 10W-40 oils and some threaten to void warranties if it's used..... (my 86 Ford 6.9L Diesel Owners Manual specifically warned not to use 10w40) http://micapeak.com/info/oiled.html



More info http://www.ttalk.info/Zddp.htm





Considering how few miles I am going to put on my 292 in a year, I'll probably use Mobil 1 0W-40t since Mobil indicates that it does have adequate amounts of zddp for flat-tappet engines





You gotta love these oil threads! There's as many opinions out there as there are people!!







Cheers,





Rick

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1955 F-600/272/E4OD// Disclaimer: No animals were injured while test driving my F-600 except the ones I ran over intentionally!

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This post was created using OpenSuSE Linux x64 and Firefox

Recently ran in to some oil facts,Motorcraft 15W40 Diesel oil was 1380ppm ZDDP also available at Wally World around $15 for a 5 quart jug,Motorcraft filters are there too.If you do some Google research on ACCEL you will find it is what it is,CHEAP! Motorcraft and Ford Good Idea!

For what it's worth I believe Motorcraft oils are manufactured by Shell.

Richard