O K Guys back me up or give me some help. These young men at NAPA are stumbling and saying maybe this maybe that. Have a 1956 Gallion grader. Has ih gas 6 cylinder that looks like BD 240 truck engine or maby the same engine used in IH 560 farm tractor. Has Delco distributor if that were to matter. I need a good number for spark plugs. yes I could take one out and look but just happen to be 67 miles from the thing and want to take a set of plugs. Thanks in advance.
- Thread starter jm.
- Start date
rockcreek4630
Member
If like my 460,450, 386 autolite
560Dennis
Well-known Member
- Location
- Madison,Ohio
Are they 18 mm ?
the tractor vet
Well-known Member
I am tryen to get my head wrapped around this one . I worked for a vary large construction company years back and they had a bunch of gallion graders . But now for the life of me i can not remember the model numbers . We had several as i would call them smaller ones from the fiftys and they either had a C 248-264 and one was a c 281 the rest were diesels with the smallest being the one with the UD 350 and they went on up from there to UD 18 and UD 24 . None had 6 cylinder gas engines . Just about everything as a power unit pretty much followed what was going into either ag or construction . NO not sayen that at some point in time the org. engine went to lunch and someone stuffed what ever they found in to get it back up and running . Graders were and easy swap as i have seen and old gallion repowered from a M thru 281 with a 3-71 Detroit and even the 4-71 because they had one layen around or it was taken out of something that was trashed out . Pictures here would help with the guess work .
SparepartsTN
Member
I am probably late to the party, again. My 17th edition Motors Truck Manual says that the 1955 through 1964 RD450 engine uses J6 spark plugs with .030 gap. I have no idea who makes J6 spark plugs. For a little more confusion the BD240 engine uses J8 plugs with a .030 gap.
Definitely factory , when I got there I removed champion J8C . Big 6 cylinder BUT I my self do not think it is a BD 450 , still trying to decide exactly what engine . Have Petronics trying to come up with electric to replace the points. Right now everyone is saying R 1163A is the unit but still doing some more research. Long and short of the thing is this thing has very weak fire. Starts and runs but just not right at all.
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