hi everyone
I bought a 58 hardtop in 2003. As it had 150,000 + miles on i, there was not much that didn't need work. None the less I drove it alot while fixing various parts.
Each summer I make a trip in early July from my place in MA up to a friend's in Maine, 240 miles, all highway, 65-70 mph. A good trip for comparisons.
In 2005, with a worn out engine, I got 13.3 mpg (also used a quart of oil every 125 miles...). Stock ignition and a Holley carb someone put on it long ago.
In 2006, with a rebuilt engine, same trip, I got 15.5 mpg (and used no oil at all. Alot to be said for new pistons and rings).
In 2007 I changed the coil to an MSD 8002 with matching MSD ballast resistor. Also increased the plug gap to .042". This time I got 17.3 mpg.
In the future, I plan to increase the plug gap further as one variable, and I also have a completely rebuilt Fomoco carb that was used on 352's. I am pretty confident that 18 or more is attainable.
On a different note, last summer I almost died of heat coming from the tranny. I got under the console and put a bunch of insulation used on water heaters and had a very comfortable ride this time.
Alexander, where's that cup holder?? I had to use a roll of duct tape!!! Wasn't even color coordinated!! ****!
John
I bought a 58 hardtop in 2003. As it had 150,000 + miles on i, there was not much that didn't need work. None the less I drove it alot while fixing various parts.
Each summer I make a trip in early July from my place in MA up to a friend's in Maine, 240 miles, all highway, 65-70 mph. A good trip for comparisons.
In 2005, with a worn out engine, I got 13.3 mpg (also used a quart of oil every 125 miles...). Stock ignition and a Holley carb someone put on it long ago.
In 2006, with a rebuilt engine, same trip, I got 15.5 mpg (and used no oil at all. Alot to be said for new pistons and rings).
In 2007 I changed the coil to an MSD 8002 with matching MSD ballast resistor. Also increased the plug gap to .042". This time I got 17.3 mpg.
In the future, I plan to increase the plug gap further as one variable, and I also have a completely rebuilt Fomoco carb that was used on 352's. I am pretty confident that 18 or more is attainable.
On a different note, last summer I almost died of heat coming from the tranny. I got under the console and put a bunch of insulation used on water heaters and had a very comfortable ride this time.
Alexander, where's that cup holder?? I had to use a roll of duct tape!!! Wasn't even color coordinated!! ****!
John
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