Quote:
I'm confused... Why did you need to shim? It's a screw to preload the pressure relief spring... Or is this some other valve body design? 
I shimmed because it was already adjusted almost 3/4 down to the end. The shims gave me more preload than going completely to the end of the adjustment.
Allan G.
1970 Challenger w/572 Hemi street car and my pride and joy.
1986 T-Type with 272 Stage 2 Buick V6 engine - True 8 second street car. Just updated the engine and put down 928 HP @ 35# boost to the ground on chasis dyno.
1976 Cee Bee Avenger Jet Boat - 460 Ford powered.
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