55-75 OE distributor

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stvaughn

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West Tennessee
First Name
Steve
Truck Year
1990
Truck Model
V1500
Engine Size
350
Where all OE GM 55-75 points distributors cast iron or were some aluminum? Not SB specific, any GM vehicle.

Thanks, Steve
 

fast 99

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Brian
Truck Year
81,85
Truck Model
K20
Engine Size
350
Both materials, have seen cast iron more on late 50's vehicles. Some Corvettes used iron later into the 60's that included a tach drive.
 

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