Whats the difference between the C90Z-6269-A and C50Z-6269-D plates?
I see in my ford parts and illustration guide it lists C90Z-6269-A as fitting 80 - 84 302`s and the C50Z-6269-D plates as fitting '85 and up.
I opted for the C50Z-6269-D as I will be using a '85 and up roller block but someone mentioned to me the little dog ears on the C90Z-6269-A plate might possibly hold plugs in place to prevent them from popping out. Sure enough some photos of short blocks I looked up shows a cup plug that the plate would hold in.
Im curious about this because based off how ford did their codes the C90Z-6269-A plate is a 1969 design and the C50Z-6269-D is a 1965 design. To me it seems odd that a newer design plate would have the ears but yet Ford went back to the older style without said ears for '85 and up 302s.
I don't think they are anything different, I think they are both cast iron which is proper for my application as my roller cam is a steel cam but the cam gear on the timing set is cast iron which makes the setup no different than an OE roller 302. Im just questioning on this ear aspect, I don't think it makes a different as Ford performance sells these same plates in cast iron and steel and they are exact copies of the C50Z-6269-D design that I have that doesn't have the dog ears.
I see in my ford parts and illustration guide it lists C90Z-6269-A as fitting 80 - 84 302`s and the C50Z-6269-D plates as fitting '85 and up.
I opted for the C50Z-6269-D as I will be using a '85 and up roller block but someone mentioned to me the little dog ears on the C90Z-6269-A plate might possibly hold plugs in place to prevent them from popping out. Sure enough some photos of short blocks I looked up shows a cup plug that the plate would hold in.
Im curious about this because based off how ford did their codes the C90Z-6269-A plate is a 1969 design and the C50Z-6269-D is a 1965 design. To me it seems odd that a newer design plate would have the ears but yet Ford went back to the older style without said ears for '85 and up 302s.
I don't think they are anything different, I think they are both cast iron which is proper for my application as my roller cam is a steel cam but the cam gear on the timing set is cast iron which makes the setup no different than an OE roller 302. Im just questioning on this ear aspect, I don't think it makes a different as Ford performance sells these same plates in cast iron and steel and they are exact copies of the C50Z-6269-D design that I have that doesn't have the dog ears.