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Discussion Topic:
1935 flathead V8
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mitchs67 |
04-22-2020 @ 2:59 PM
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Member
Posts: 7
Joined: Apr 2020
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Hello, I am brand new to your forum and I am not very experienced with forums so if I am doing anything wrong, please let me know. I'm restoring and 1935 pickup that is all original. I have rebuilt the oil pump and have it all back together. What is the best oil to use in this engine? Thank you
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51504bat |
04-22-2020 @ 5:36 PM
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Member
Posts: 252
Joined: Apr 2020
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You're going to get more answers than Carter has pills but here's my take. I run 20/50 and have several thousand miles on the rebuilt 8ba in my '39 p/u. Its stock except for a Chevy distributor. I do know that diesel oil is used by many for its higher zinc content. I've thought about switching over but I'm still on the fence. My '39 is a daily around town driver with an occasional 45 mile or so round trip to a nearby swap meet. It seems everyone has differing opinions so consider them and then make your own choice.
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mitchs67 |
04-23-2020 @ 6:46 AM
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Member
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Joined: Apr 2020
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Thank you for your response. I am still learning all of the termenology about the different engines. What is a 8ba? I'm pretty sure my engine is the original. It's a 1935 pickup with a flathead V8. Do you know what that engine is called? The 20/50 oil that you use. Is it non detergent or detergent oil ? Thank you very much.
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51504bat |
04-23-2020 @ 7:11 AM
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Member
Posts: 252
Joined: Apr 2020
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20/50 detergent. Don't think non detergent oil is available any more. 8ba refers to flatheads used between '49 and '53. Trucks used the 8ba starting in '48 but it was referred to as 8rt. Trucks in Canada still used the flathead in '54. '52 and '53 Ford flatheads were designated as EAB. Mercs were 8cm. May sound confusing and this is just a general explanation and may have some generalizations. Van Pelt Sales LLC's web site has all kinds of good tech info about all things flatheads. http://www.vanpeltsales.com/FH_web/flathead_specs-85to100mid.htm Your engine should be a 21 stud flathead. Ford went to 24 stud flatheads in '38.
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trjford8 |
04-23-2020 @ 8:26 AM
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Senior
Posts: 4214
Joined: Oct 2009
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mitch, you might consider buying the V-8 Club's 35-36 book. although it is written for passenger cars the frames and running gear are the same for pickups. You can buy the book on this site. Welcome to the world of '32-53 Ford V-8's. Don't hesitate to ask questions. We are always happy to help people new to the hobby.
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TomO |
04-23-2020 @ 8:41 AM
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Senior
Posts: 7250
Joined: Oct 2009
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Ford recommended 30 weight oil for most of the flathead engines in the summer months. I am not sure what was recommended for the 1935, but I would go with a 10W-30 oil . A thick oil may not get to all of the needed areas at startup. Use a high detergent oil as it will reduce the tendency to form sludge. Run your engine for long periods to evaporate the moisture in the oil. Do it by driving the car, not letting it idle for long periods. If your engine overheats, change the oil as the heat breaks down the oil additives.
Tom
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mitchs67 |
04-23-2020 @ 5:29 PM
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Posts: 7
Joined: Apr 2020
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Is there a particular type and brand of oil that you would recommend?
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39 Ken |
04-24-2020 @ 4:42 AM
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Member
Posts: 380
Joined: Oct 2009
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Pretty much any brand of oil on sale at your favorite store will do as all brands produced today are better than what was available back in the day. I use 10w30 to cover all seasons.
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mitchs67 |
04-26-2020 @ 4:12 PM
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Member
Posts: 7
Joined: Apr 2020
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I used Castrol 10w30 conventional oil. She started up and purs. What is the normal operating range for the oil preasure and engine temperature? Thank you.
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37RAGTOPMAN |
04-29-2020 @ 12:10 PM
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Senior
Posts: 1958
Joined: Oct 2009
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hi Mitch if the engine is rebuilt you can use HD 20-50, 10-40 10-30 all depending were you live, I use 20-50 in my 37 IF it is cold, I wait till I see oil pressure.before starting, if it is a old engine, you would be better to use NON DETERGENT OIL straight 30 or 40 to thin a oil will reduce you oil pressure. all depends on the condition of the engine, so it does not loosen up the sludge found in the engine,you do not need this floating around in the engine, NON DETERGENT , can be found at tractor dealers, tractor supply, like straight 30 or 40 in the summer, also better auto supply stores, hope this helps 37Ragtopman
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