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Original Message
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| I'd be concerned with the oil pan. |
| By Dave Shoe - 06/23/2003 6:49:03 PM; IP 12.2.11.131 |
I've trashed a few sets of bearings before I realized my HV pump was causing oil starvation issues when the pan was sucked dry. I could hear the lifters clatter on hard corners and could watch the oil gauge ping zero.
My present rule is to use stock pans only when you run a stock pump, and only if the car is not faster than about 14 seconds in the quarter. I'll also overfill a stock pan an extra quart, just as Ford did for the later 428CJ engines (the ones with the windage tray and recalibrated dip stick). Proper rockershaft restrictions are important, too.
Since I typically run faster engines than this, I tend to run stock depth T-pans (Canton or Milodon are common ones) made of steel, as cast aluminum pans can shatter if they run into road debris. I'll run either stock or HP or HV or an HVHP pump with an oversized pan.
The HV pump makes the most sense on a car with super loose bearing clearances. HV pumps were used on FT trucks, but they run all day long at full throttle and 2000RPM, so it makes sense these slow engines could use some extra volume at the lower RPMs. Cammers came with stock volume pumps, and at 8000RPM they can pump way more oil than they'll ever need.
Since switching to a high capacity oil pan (about a decade ago), my bearings have had no problems.
JMO,
Shoe. |
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