Slant Six Forum :: OIL PUMP GEAR STRIPPED HELP!!!

: I just rebuilt my 225, its pushing 300 h.p.
: I noticed one day, (about 2000 mi on motor)
: I had no oil pressure. Upon removal of the
: oil pump, I discovered the gear completely
: stripped on one side. So I changed oil and
: filter about twice to get the shavings out
: and it runs fine with a new oil pump. I need
: to know what I should do to prevent this in
: the future, or if it was one time bad luck.
: The cam is a brand new .460 lift from mopar,
: and the oil pump was also new hi volume. Any
: help would be greatly appreciated.

Author:	JasonT 63 Dart270 [ Thu Nov 15, 2001 8:04 am ]
Post subject:	OIL PUMP GEAR STRIPPED HELP!!!
I just rebuilt my 223, and its pushing 300 h.p. I noticed one day, (about 2000 mi on motor) I had no oil pressure. Upon removal of the oil pump, I discovered the gear completely stripped on one side. So I changed oil and filter about twice to get the shavings out and it runs fine with a new oil pump. I need to know what I should do to prevent this in the future, or if it was one time bad luck. The cam is a brand new .460 lift from mopar, and the oil pump was also new hi volume. Any help would be greatly appreciated. Thanks Jason T TX jasovanni@hotmail.com

Author:	Doc [ Thu Nov 15, 2001 1:28 pm ]
Post subject:	Re: OIL PUMP GEAR STRIPPED, Ouch!!
Quote: : I just rebuilt my 225, its pushing 300 h.p. : I noticed one day, (about 2000 mi on motor) : I had no oil pressure. Upon removal of the : oil pump, I discovered the gear completely : stripped on one side. So I changed oil and : filter about twice to get the shavings out : and it runs fine with a new oil pump. I need : to know what I should do to prevent this in : the future, or if it was one time bad luck. : The cam is a brand new .460 lift from mopar, : and the oil pump was also new hi volume. Any : help would be greatly appreciated. This is a problem with the SL6, the SSRN technical department is working in earnest on this issue. Please help by down-loading and completing the Oil Pump Failure Survay linked below and mail it in as noted. It would be extreamly helpful if you can send-in your failed oil pump gear. As for some possible fixes: Keep oil pressure reasonable. (50-60 psi max) Open-up / deburr all oil passageways. (helps reduce "work" & load on the gears) Check the cam to oil pump gear mesh. (use lapping or gear impression compound) Run a "Cam Button" to prevent the cam from "walking" forward. *be sure oil pressure "bleed-off" holes are drilled in the cam & cam timing chain gear. Help us help all SL6 owners / racers, complete a survay if you have ever had this failure. DD Oil Pump Gear Failure Report

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