Issue: Got old Brake Booster Vac Lines. Cracked or Rock Hard? Leaking due to this?
Fix: I picked up some 1/2" Heater Hose which is reinforced. Four feet of it to be exact. Picked up eight hose clamps while I was there. Used all my old hose as length templates.
Replaced hoses: Throttle Body to Y at Spider. Small piece from Y to Spider Body. Y to Coupler at Brake Booster. Small piece from Coupler to Brake Booster.
Tested with no leaks or collapsing.
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1981 Porsche 928 "Euro" Auto Gunsmoke Metallic Flat - Black Interior
1983 Porsche 928S "US" Auto Light Bronze (Copper) Metallic - Brown Interior **SOLD**
