[Fot] 1300 Speed Secrets...

[John H. Hasty]

We use 60 @ cold idle & 80 hot 6000 rpm

Sent from my iPhone

On Mar 30, 2020, at 4:49 PM, Tim Slater via Fot <fot at autox.team.net> wrote:


Brad,
Adding washers is an old trick to adjust the oil pressure relief.  Should see 75 -80 lbs or so when cold and 60-65 running hot at high RPM.
Tim Slater.




Phone: 561-820-0021



On Mon, Mar 30, 2020 at 4:15 PM Brad Eells via Fot <fot at autox.team.net<mailto:fot at autox.team.net>> wrote:
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!



Brad Eells
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