buickanddeere
Super Member
I have no idea how you can come to some disjointed conclusion about affordability or something . When rebuilding an old engine , install hardened seats to reduce valve seat recession with unleaded fuel .
LEADED vs UNLEADED
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I have no idea how you can come to some disjointed conclusion about affordability or something . When rebuilding an old engine , install hardened seats to reduce valve seat recession with unleaded fuel .
buickanddeere
Super Member
MHarryE
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Leaded gas was phased out starting in 1975 and was illegal to use except for low lead aviation fuel only used in airplanes since 1996. If some people like the fire department in Fried1765’s district chose to flaunt the law that was enacted due to health hazards due to lead in the atmosphere that is up to them. Obviously they have no concern for the law or the health of the people in their community.
ultrarunner
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Just called a race buddy... he pointed me to this site which clearly advertises and sells motor vehicle fuel with lead.
Not sure how they could sell... let alone advertise Leaded Race Fuel if it was illegal?
Leaded Race Fuels - RaceFuel.com
Buy VP-11� Racing Fuel Online. In-Stock + Fast National Delivery | Amber Racing Services
Could it be the illegal controversy is subject Street Legal Fuel and road/highway tax... just like using Diesel Red off road is illegal to use for over the Highway vehicles... But, exceptions have been made at time of Disaster... like Katrina when a blanket waiver was issued.
Not sure how they could sell... let alone advertise Leaded Race Fuel if it was illegal?
Leaded Race Fuels - RaceFuel.com
Buy VP-11� Racing Fuel Online. In-Stock + Fast National Delivery | Amber Racing Services
Could it be the illegal controversy is subject Street Legal Fuel and road/highway tax... just like using Diesel Red off road is illegal to use for over the Highway vehicles... But, exceptions have been made at time of Disaster... like Katrina when a blanket waiver was issued.
DJ54
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One other product I forgot to mention I use in my older 1 cylinder engines, to prevent exhaust valves from sticking, is Marvel Mystery Oil. I actually started using it, when I overhauled a 223 6 cyl. Ford truck engine that was in a F-300 1 ton dump I'd bought at auction. I took the block, pistons & rods,and crank to be checked at a very reputable machine shop. I was concerned about valve burn, using unleaded fuel. The younger partner in the shop talked me out of replacing the valves with the stellite valves. He was very big in racing pre-unleaded fuel motorcycles, and car for the drag strip. He told me to just buy MMO, and add the prescribed amount to protect the valves. Being he tore his engines down several times a year to re-ring, and replace bearings, he also checked the valves and head when it was down. He told me in several years of racing, he found no damage to the valves, or seats, since he started using the MMO.
He told me it was also great to use in smaller 4 cycle engines, in garden tractors, and mowers designed to use leaded gas. At that time when many of those engines were used, in the hottest part of the summer, they would seem to vapor lock, but it was actually the exhaust valve sticking open, due to no lubrication. At that time, MMO came in metal quart cans, and the metal cap was the perfect measure to add, for each gallon of gas a tank would hold. It's just one of those things you had to try, to believe it. I still use it in my old David Bradley garden tractors I use in the garden, with engines from the 50's. I also add it to my 50's models Farmall tractors. A's, BN, and Super C's. I even fixed a neighbor girls riding mower her Dad had bought several years before this incedent. In August, she could mow about 1/2 of her yard, before the exhaust valve would stick. Let it set an hour, and the valve would release. She called, and asked me to "fix" it. I took my trusty can of MMO, and added a couple cap fulls to a full tank of fuel, because she was going to do some extra mowing. I told her to try it, and see what happens. She called 3 hours later, and was happy to report, it kept running, even when mowing in higher grass for quite a while. She bought her own can,and added when fueling up. That mower ran for another 5-6 years, without those issues.
I'm not much on a lot of "mechanic in a can" products, but, this is one of a few I've found that actually works.
He told me it was also great to use in smaller 4 cycle engines, in garden tractors, and mowers designed to use leaded gas. At that time when many of those engines were used, in the hottest part of the summer, they would seem to vapor lock, but it was actually the exhaust valve sticking open, due to no lubrication. At that time, MMO came in metal quart cans, and the metal cap was the perfect measure to add, for each gallon of gas a tank would hold. It's just one of those things you had to try, to believe it. I still use it in my old David Bradley garden tractors I use in the garden, with engines from the 50's. I also add it to my 50's models Farmall tractors. A's, BN, and Super C's. I even fixed a neighbor girls riding mower her Dad had bought several years before this incedent. In August, she could mow about 1/2 of her yard, before the exhaust valve would stick. Let it set an hour, and the valve would release. She called, and asked me to "fix" it. I took my trusty can of MMO, and added a couple cap fulls to a full tank of fuel, because she was going to do some extra mowing. I told her to try it, and see what happens. She called 3 hours later, and was happy to report, it kept running, even when mowing in higher grass for quite a while. She bought her own can,and added when fueling up. That mower ran for another 5-6 years, without those issues.
I'm not much on a lot of "mechanic in a can" products, but, this is one of a few I've found that actually works.
MossRoad
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Find the law and post a link to it. I still think it's only illegal to run it on the road as it's not road taxed.
Oaktree
Super Member
Cars had smaller tires back then so you had to go a lot further to cover the same distance.
MossRoad
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Cars had smaller tires back then so you had to go a lot further to cover the same distance.
:scratchchin:
adventure bob
Platinum Member
The legality of lead in a motor vehicle comes from the The Clean Air Act (42 U.S.C. ｧ7401 et seq. (1970)). Amendments to that act required the use of catalytic converters in road legal gasoline vehicles and leaded gas does damages them. Amendments to the CAA over the years phased out the use of lead in many substances including gasoline. In 1996, it became illegal for refiners to add any lead to gasoline for use in motor vehicles. Here's an MIT paper covering the history of the lead reduction over time: http://web.mit.edu/ckolstad/www/Newell.pdf. As to folks using fuels for stuff other than motor vehicle gasoline, I'm not sure where the legality comes from. If Lead in motor vehicle gasoline is illegal, then there must be some exemption for non vehicular gas.
adventure bob
Platinum Member
According to Mother Jones and the EPA, leaded avgas is to be phased out by 2019.
