What oil pump for 7k, road race, and axle oil lifters? - Page 2 - LS1TECH - Camaro and Firebird Forum Discussion

Generation III Internal Engine 1997-2006 LS1 | LS6
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What oil pump for 7k, road race, and axle oil lifters?

Old 01-10-2019, 06:02 PM
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Join Date: Jul 2015
Location: Chicago
Posts: 191

Originally Posted by NSFW View Post
The most promising theory I know of for the Gen 4 oil starvation issue is that the oil doesn't drain back from the heads fast enough. Restricted pushrods allegedly help somewhat, and one guy even put AN fittings into his heads so he could run hoses to the pan, but I don't think I saw how that turned out.
This^. The above is one of the reasons the C5R block with 6 style heads (OE or aftermarket) is still popular with the circle track and road race crowds.
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