converter weld on weights
I ran the converters through what little database I have and determined that most of the converters listed were 9", so I'm guessing those do you little good. The only other measurement shown was for a 10" converter. That should be what you need.
The measurements are given from the line formed between the center of the converter and the center of the bolt holes (not the position of the lug itself). The 904's smaller pattern is smaller, but that line should be in the same place even though the lugs are closer to center. The weights are placed based on a radius, so this should work unless you can't weld weights 5.265" from the center of the converter (i.e., your converter is a smaller diameter). The offset converter mounting lug must be in the (approximately) 3 o'clock position as shown by the arrow.
The 10" (and larger) diagram:
If you are running a 9" converter the weights must be closer to center. It's still measured off an imaginary line between centers rather than the lug itself, so as long as the radius is workable for welding weights, it would still work on a 904 bolt pattern.
The 9" diagram:
My weight package is dated 1978, so it's no surprise that the converter numbers superseded or no longer work, but P4007290 and P4007967 both superseded to 9" converter numbers. 2836877 is a dead number, but at least they tell us that one's a 10".
The only weights left in my kit are the 340 cast crank parts. I bought the kit for the templates more than anything after being frustrated trying to find this kind of information online. The weight dimensions were a bonus I didn't expect, but they make the paperwork even more valuable to me: I can make my own weights!
If anyone needs the templates and/or dimensions for 360, 383/400/440 cast crank, or 440 steel crank with '70-'72 "Six Pack" rods (all the HP 440s got them in those years) I have that information as well.
I ran the converters through what little database I have and determined that most of the converters listed were 9", so I'm guessing those do you little good. The only other measurement shown was for a 10" converter. That should be what you need.
The measurements are given from the line formed between the center of the converter and the center of the bolt holes (not the position of the lug itself). The 904's smaller pattern is smaller, but that line should be in the same place even though the lugs are closer to center. The weights are placed based on a radius, so this should work unless you can't weld weights 5.265" from the center of the converter (i.e., your converter is a smaller diameter). The offset converter mounting lug must be in the (approximately) 3 o'clock position as shown by the arrow.
The 10" (and larger) diagram:
If you are running a 9" converter the weights must be closer to center. It's still measured off an imaginary line between centers rather than the lug itself, so as long as the radius is workable for welding weights, it would still work on a 904 bolt pattern.
The 9" diagram:
My weight package is dated 1978, so it's no surprise that the converter numbers superseded or no longer work, but P4007290 and P4007967 both superseded to 9" converter numbers. 2836877 is a dead number, but at least they tell us that one's a 10".
The only weights left in my kit are the 340 cast crank parts. I bought the kit for the templates more than anything after being frustrated trying to find this kind of information online. The weight dimensions were a bonus I didn't expect, but they make the paperwork even more valuable to me: I can make my own weights!
If anyone needs the templates and/or dimensions for 360, 383/400/440 cast crank, or 440 steel crank with '70-'72 "Six Pack" rods (all the HP 440s got them in those years) I have that information as well.