Fri Jun 15, 2007 11:42 am
I picked up a '74 140 (key start) with FH a few months ago. I did the initial fulid changes (all of them except Anti-freeze). I adjusted the valves (they needed it), and used the spark plug holes to give me a good idea when I was TDC. I noticed that there were firecrater pistons in there!! I've got a '57 230 that has them so I knew when I saw them what they were. I didn't know they did that???Anyone else seen this?? Shrps74 in VA
Fri Jun 15, 2007 12:42 pm
As far as I know, IH made Fire Crater pistons for everything fron the Cub/letter series on up.
Fri Jun 15, 2007 1:45 pm
Jim - Is the Fire Crater piston the same as a high compression piston? Did the Fire Crater require a new head as well?
Fri Jun 15, 2007 1:46 pm
Fire Crater was the IH trade name for their high compression domed pistons. Usually they didn't require changing the head.
Fri Jun 15, 2007 9:31 pm
By the 140s would they have come factory with the fire craters?
Fri Jun 15, 2007 10:32 pm
I think even the 140 came from the factory with flat top pistons. They may have changed the chamber size in the head.
Sun Jun 17, 2007 6:29 pm
Thanks for the info Jim!
Tue Jun 19, 2007 10:18 am
I have a NOS set for a B. Brandon.
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