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twigworker
Jedi Trainee
Offline
Car: 62 BJ7 with excellent engine condition, clear crankcase breathing and a relatively new ( five thousand miles) Mallory dual point distributor. Oil pressures are about 60psi at 3000 before full warm up and perhaps 50 after oil is hot.
Short version...There is no short version to this.
Long version...Oil coming from the weep hole in the bottom of the relatively new Mallory dual point distributor.
Pulled the distributor several times, made sure that the drain back passage down near the distributor drive spindle was clear, took ten thou off the top of the gear that had been swapped from the Lucas unit to the Mallory in order to install a thin neoprene O-ring above the thrust washer, made sure that the seal at the top of the tach drive house was doing its job even though the oil wasn't coming from there. I finally filled the banjo bolt at the top of the oil feed line to the tach drive house and re-drilled it to ten thou. This reduction from about 3/32" obviously reduced the flow rate into the drive cavity and the leak from the distributor body has subsided to perhaps nothing. I put about thirty miles on the thing yesterday and all that I could detect was a slight smear under the underside of the dist and that might have been just the residual stuff working it's way out. Before that a five mile drive produced a puddle on top of the frame directly under the distributor.
My question is, has anyone ever experienced a similar, relatively sudden increase in oil flow to the tach drive house and subsequent leakage from that vicinity? And if so, what was the source/cause?
Jack
Short version...There is no short version to this.
Long version...Oil coming from the weep hole in the bottom of the relatively new Mallory dual point distributor.
Pulled the distributor several times, made sure that the drain back passage down near the distributor drive spindle was clear, took ten thou off the top of the gear that had been swapped from the Lucas unit to the Mallory in order to install a thin neoprene O-ring above the thrust washer, made sure that the seal at the top of the tach drive house was doing its job even though the oil wasn't coming from there. I finally filled the banjo bolt at the top of the oil feed line to the tach drive house and re-drilled it to ten thou. This reduction from about 3/32" obviously reduced the flow rate into the drive cavity and the leak from the distributor body has subsided to perhaps nothing. I put about thirty miles on the thing yesterday and all that I could detect was a slight smear under the underside of the dist and that might have been just the residual stuff working it's way out. Before that a five mile drive produced a puddle on top of the frame directly under the distributor.
My question is, has anyone ever experienced a similar, relatively sudden increase in oil flow to the tach drive house and subsequent leakage from that vicinity? And if so, what was the source/cause?
Jack
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