[Fot] 1300 Speed Secrets...

[Brad Eells]

Amici,

Interesting discovery when I disassembled a spare racing short block.

2 hand ground washers at the end of the oil pressure relief valve shaft.

Clearly meaning to increase relief pressure. The washers are different thicknesses, suggesting Doug had a specific relief pressure in mind...

Cheers!

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Brad Eells
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