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Re: Lost a Motor last night.
Quote:
Originally Posted by n2omike
351W's NEED extra bearing clearance because of their huge 3" size. I would look for 0.003" and would be using 3/4 groove racing bearings. Unless you are using watery thin oil, I would look for between 0.0030" and 0.0035" on the mains. 0.0025" on the rods.
Install a high volume pump for insurance, and add a large BAFFLED oil pan that will provide a total capacity of around 8 quarts. Canton makes some nice units. Get one that is either DEEP and narrow, or has the 'roadrace' baffles. 'T' pans with wide bottoms and no baffles are NOT good when the oil gets sloshed around.
As for the accumulator... not a bad idea, but address the above first.
Good Luck!
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Just a point that we learned.
We have had problems running a high volume pumps at high rpm sheering the pin on the distributor gear. There is really no need to run a high volume unless your running coolers. We have switch to a HIGH PRESSURE, to insure we have 10lbs per 1000 rpm of engine speed. Havn't lost a engine to bearing failure in 10 years. It's pressure that maintains the oil clearance at RPM not volume. Just what works for us.
Jeff
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J Jackson
JN Motorsports
www.OldGuysGoingFast.com
TAD, S/C, S/G and S/S
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