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ron · 09-20-2012, 10:18 PM

In the 70s we used top oil (marvel mistery Oil) and water injection on a 63 GMC 6cyl 1 ton and water spray(radiator) to keep the temp down when pulling a 35ft travel trailer. my friend still has it, 20 mpg when it runs, original and now beat to --it

09-20-2012, 10:18 PM	#10 (permalink)
ron Master EcoModder Join Date: Nov 2011 Location: slo county ca. Posts: 277 double eagles - '99 Dodge ram slt Team Cummins 90 day: 19.48 mpg (US) Thanks: 24 Thanked 17 Times in 16 Posts	In the 70s we used top oil (marvel mistery Oil) and water injection on a 63 GMC 6cyl 1 ton and water spray(radiator) to keep the temp down when pulling a 35ft travel trailer. my friend still has it, 20 mpg when it runs, original and now beat to --it