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Fuel Leak Injecter Pump Area - M35A2

rustystud

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View attachment Scan0114.pdfView attachment Scan0115.pdfView attachment Scan0113.pdf
I know the difference between Galvanized Steel, uncoated Steel, stainless steel and aluminum. My 1969 Keiser Jeep M756A2 definitely has a Galvanized Steel fuel tank. So, does my 1983 G-20 Chevy van.

OK, I've said this before and I'll say it again now. Diesel fuel and galvanized tanks are a NO ! NO !
The first two documents are federal requirements for diesel tanks. The last page is from the Galvanizing Industry itself. In it they say the same thing I've said but that in larger tanks (1000 or more) you can get away with using galvanized tanks as the crap will settle to the bottom of the tanks and can be easily filtered out. Are you running 1000 gallon tanks ? No. then don't use them for your truck. No manufacturer is going to break federal law. What has probably happened is either the engines where replaced or the fuel tanks where replaced and they used the wrong ones.
 

Beyond Biodiesel

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OK, I've said this before and I'll say it again now. Diesel fuel and galvanized tanks are a NO ! NO !
The first two documents are federal requirements for diesel tanks. The last page is from the Galvanizing Industry itself. In it they say the same thing I've said but that in larger tanks (1000 or more) you can get away with using galvanized tanks as the crap will settle to the bottom of the tanks and can be easily filtered out. Are you running 1000 gallon tanks ? No. then don't use them for your truck. No manufacturer is going to break federal law. What has probably happened is either the engines where replaced or the fuel tanks where replaced and they used the wrong ones.
So, how long do you think this specification has been in place?
 

rustystud

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So, how long do you think this specification has been in place?
I went into Heavy Truck repair in the mid 1970's and it was law then. Probably around the 1960's when diesel became King for over the road trucks. I know a lot of manufactures where using diesel engines in the 1950's even the 1940's but there where still plenty of large gas engines too. IHC made some monster 600cid inline 6 gas units. I remember working on one and the pistons where the size of a Folgers coffee can ! By the 1960's your where seeing a lot of 80,000 GVW trucks on the road and they all used diesel engines. The trucking industry at that time was a lot like the wild west. Not much Federal regulation. But after a lot of accidents and troubles the regulations started flying out of Washington !
 

Beyond Biodiesel

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Prescott, AZ
I went into Heavy Truck repair in the mid 1970's and it was law then. Probably around the 1960's when diesel became King for over the road trucks. I know a lot of manufactures where using diesel engines in the 1950's even the 1940's but there where still plenty of large gas engines too. IHC made some monster 600cid inline 6 gas units. I remember working on one and the pistons where the size of a Folgers coffee can ! By the 1960's your where seeing a lot of 80,000 GVW trucks on the road and they all used diesel engines. The trucking industry at that time was a lot like the wild west. Not much Federal regulation. But after a lot of accidents and troubles the regulations started flying out of Washington !
Since this is a vintage surplus military vehicle site, then the question as to what material was used when for construction of fuel tanks for diesel vehicles could be an interesting pursuit, but it would be another thread.
 

rustystud

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Since this is a vintage surplus military vehicle site, then the question as to what material was used when for construction of fuel tanks for diesel vehicles could be an interesting pursuit, but it would be another thread.
The galvanized tank issue has been around since the 1950's so all our trucks would be effected by this ruling. I have never seen any military truck that had a factory diesel with a galvanized tank. Or any truck for that matter.
 
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