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I have a 71/72 class a grumman. 24 foot. I am looking for another class a 24 or 27 foot. my Grumman has a p 30 chassis witha 350 motor. got 9.8 mpg average on my 74 trip to alaska. 1400 miles of dirt.
Hello, I have a '73 Grumman 25 foot motorhome. It is on an International chassis. It has a 392 engine, and aChrysler 727 torqueflite trans. I get 10 MPG on the road with it. I have been an IH mechaic for many years, any questions just ask I'll try to help.
Kirk,
I am rebuilding a 73 Grumman, same chassis and engine. I put a Gear Vendor OD behind the 727, hope for a few more MPG. I think that 4.77 rear end has to go though. Have been working on it for a couple of years, hope to have it on the road next year. Would like to see some pictures of your Grumman.
I have a 1970 Grumman 24ft Chevrolet P30/40 chassis. It is available for sale. I also parted out a 1972 grumman on a dodge chassis and have many parts from it for sale also, including the gas tank in great shape. I have windshields and various other Grumman motorhome parts.