Gas treatment
Logistics Pro
Joined: Jun 2011
Posts: 4,995
Likes: 422
From: u-rah-rah Wisconsin
If the truck has been updated for corn gas, just hit the filler tube cleanly with regular unleaded and enjoy the ride. Ethanol free is better - not just for your old ride - but not always available. Lead additives do not contain lead. Many are fans of Marvel's Mystery Oil for both the crankcase and gas tank.
Post Fiend
Joined: Apr 2002
Posts: 19,311
Likes: 97
From: Waterloo, Iowa
Unless you're planning heavy towing at highway speeds in your truck a lot of people say there is no need for hardened valve seats. An engine of that era may be OK in fact, they used good steel back in the day.
A straight six kept at reasonable RPM and lighter duty should be fine. Testing found the lead subs don't do much, are expensive, and need to be double dosed or more to work at all.
A straight six kept at reasonable RPM and lighter duty should be fine. Testing found the lead subs don't do much, are expensive, and need to be double dosed or more to work at all.
Fleet Owner
Joined: Jul 2004
Posts: 27,294
Likes: 1,055
From: NM
Unless you're planning heavy towing at highway speeds in your truck a lot of people say there is no need for hardened valve seats. An engine of that era may be OK in fact, they used good steel back in the day.
A straight six kept at reasonable RPM and lighter duty should be fine. Testing found the lead subs don't do much, are expensive, and need to be double dosed or more to work at all.
A straight six kept at reasonable RPM and lighter duty should be fine. Testing found the lead subs don't do much, are expensive, and need to be double dosed or more to work at all.
Lead Driver
Joined: Aug 2006
Posts: 8,093
Likes: 652
From: Brentwood, TN
I saw this fuel additive featured on some automotive program on TV and thought I would give it a try...I have been running it in all my vehicles ever since (~12 mos). It really works great on counteracting the adverse effects that methanol has on the fuel system. Many others who I have spoken to about this additive have also run it with good results.
https://www.amazon.com/Star-Tron-Enz...words=startron
https://www.amazon.com/Star-Tron-Enz...words=startron
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Hotshot
Joined: Feb 2015
Posts: 17,559
Likes: 1,081
From: Central Delaware
While on this subject, did anyone else read the article regarding the use of diesel oil in the older engines? It seemed like a good argument for it's use. Is/has anyone using/used it?
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Laughing Gas
Joined: Oct 2012
Posts: 831
Likes: 7
From: Milford, Michigan
I heard the same thing about diesel oil and found it interesting that the owner of Fantom Works out of Virginia (the show is on Velocity) finished rebuilding a 50's vehicle (I'll be darned if I can remember what kind) but the owner asked what type of oil to used in his newly rebuilt engine and Dan told him to use a 15W40 diesel oil and to ignore the "diesel" designation. I plan on my next oil change to use it myself.
Logistics Pro
Joined: Sep 2014
Posts: 4,920
Likes: 21
From: Bothell & Silverdale, WA
Interesting treatise on gasoline and tetraethyl lead.
http://www.walshcarlines.com/pdf/mec...ations.d4e.pdf
http://www.walshcarlines.com/pdf/mec...ations.d4e.pdf
Laughing Gas
Joined: Feb 2014
Posts: 794
Likes: 120
From: Behind the wheel, IN
I've been running 15w40 diesel oil in my 48 (flathead v8) for a couple years now. So far, so good.
Logistics Pro
Joined: Sep 2014
Posts: 4,920
Likes: 21
From: Bothell & Silverdale, WA
Truth revealed about lube oils:
http://www.api.org/~/media/files/cer...2515.pdf?la=en
Fleet Owner
Joined: Jul 2004
Posts: 27,294
Likes: 1,055
From: NM
Interesting treatise on gasoline and tetraethyl lead.
http://www.walshcarlines.com/pdf/mec...ations.d4e.pdf
http://www.walshcarlines.com/pdf/mec...ations.d4e.pdf
Here's an interesting perspective from a GM Fuels and Lubrication engineer: http://www.nonlintec.com/sprite/oil_myths.pdf
Cargo Master
Joined: Nov 2014
Posts: 2,442
Likes: 256
I have been running non-ethanol 87, no additives, for two weeks now. Truck has never started as good as now plus it seems I have lost a slight hesitation off idle. Big bonus seems to be no soot on first start.