Alright lets look at this from another direction. The 18.25 fan is a great fit, the only issue is the index on the fan spacer hub. Is it possible to find a longer fan spacer and machine it down to the length you need and leave the index pin longer? Just an idea, don't shoot me...

Last edited by TUTS 59; 08/11/2022 2:28 PM.
~ Craig
1958 Viking 4400
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1960 Chevrolet C10
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'59 Apache 31, 327 V8 (0.030 over), Muncie M20 4 Speed, GM 10 Bolt Rear... long term project (30 years and counting)

If you don't like driving yourTruck, you won't drive yourTruck..| Living life in the SLOW lane