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2 bearing crank in 3 bearing case
#27
We've made & fitted the double oil jet conversion to both our single seaters. Out of curiosity I aligned the oil jets with wire before using the pumping paraffin trick. It was interesting to see the actual direction of the oil jet stream & all 4 oil jets required further tweaking for optimal oiling. As per Mike Forrest's advice bending them inwards changed the oil feed duration from around 30* to around 80* of crank rotation. 80x2 = 160* oil feed. Better then the original.

The Phoenix oil pockets were alarmingly small & I opened them up and radiused the holes. This was a picture part way through the process. This was the most difficult thing to do as the crank was hard.

1.32nd over bore on the oil pump, 1 gallon sump & notched the extension to ensure good flow. 

Aye
Greig


Attached Files
.jpg   Double oil jet conversion.JPG (Size: 178.2 KB / Downloads: 334)
.jpg   Opening Phoenix crank pocket.JPG (Size: 193.35 KB / Downloads: 334)
.jpg   Double oiler.JPG (Size: 152.93 KB / Downloads: 331)
.jpg   Pump extension.JPG (Size: 76.18 KB / Downloads: 331)
.jpg   double oiler jets.JPG (Size: 99.22 KB / Downloads: 332)
.jpg   Double oiler pipe.JPG (Size: 166.39 KB / Downloads: 332)
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Messages In This Thread
2 bearing crank in 3 bearing case - by Humps - 12-04-2022, 05:36 AM
RE: 2 bearing crank in 3 bearing case - by Humps - 13-04-2022, 12:54 AM
RE: 2 bearing crank in 3 bearing case - by Humps - 13-04-2022, 09:42 PM
RE: 2 bearing crank in 3 bearing case - by Humps - 14-04-2022, 05:44 AM
RE: 2 bearing crank in 3 bearing case - by Humps - 14-04-2022, 10:04 PM
RE: 2 bearing crank in 3 bearing case - by Greig Smith - 15-04-2022, 08:00 AM
RE: 2 bearing crank in 3 bearing case - by Humps - 18-04-2022, 10:00 PM
RE: 2 bearing crank in 3 bearing case - by Humps - 19-04-2022, 09:56 PM
RE: 2 bearing crank in 3 bearing case - by Humps - 25-04-2022, 02:50 AM
RE: 2 bearing crank in 3 bearing case - by Humps - 27-05-2022, 04:07 AM

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