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Fresh 427 s/o 40psi oil pressure drop Fresh 427 s/o 40psi oil pressure drop
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  #17 (permalink)  
Old 09-21-2006, 08:42 AM
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Join Date: Jun 1999
Location: Livermore,CA, Ca
Cobra Make, Engine: Arntz/Bennett, FE with lots of shinny parts that make it go fast
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I just had a experiance similar to Jimmy with my fresh built 406. I had 80-90PSI at start then 55-60 @3500RPM 35-40 at idle when warm. While setting my dist curve I went out on a road test and the oil pressure dropped to 40@ 3000 and 20 at idle. I found this post by SFfiredog http://www.erareplicas.com/427man/engine/oilpress.htm and my gasket appeared to have a hole so I installed the fix. Now my oil pressure has returned to the previous 80-90PSI at start then 65-70 @3500RPM 40-45 at idle. I'm not sure if s/o's have this same by-pass but it's an easy thing to check.

Mike
Last edited by Monster; 09-21-2006 at 10:10 PM..
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