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Original Message
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| RE: Are Oiling System Modifications needed? - 428CJ |
| By John Martin - 11/18/2000 6:41:25 PM; IP 142.177.75.74 |
I think so ... and I still have oil problems, but I will leave that one until I find out why. In the meantime, drilling out the hole between pump and oil filter adapter is easy. Chamfering the main oil galleries is also easy (unlike steel, cast iron can be ground with a soft rotary file). Restrictors in the heads is necessary also (0.090 hole in screw in or slip fit restrictor). Bearing clearances at 0.0025 or looser, require a HV oil pump and 50W oil. Solid lifters definately should have the lifter galleries plugged off.
It will only take an hour to rework the block this way ... maybe two if you are being meticulously careful. And most IMPORTANT...purchase an aftermarket oil pump driveshaft from FPP or Dove. So, isn't this easy?...so why not do it!!!
My mistake? I suspect I let my oil get down to 6 qts instead of the full 7, and under hard acceleration sucked some air. I have a light (2500 lb) car and should probably invest in a dry sump system, but they are expensive. |
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