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6speedwagon 08-04-2005 10:44 AM

406 oil pressure
With a high volume 406 shows about 12 psi at idle.Idle is about 800 rpm.It shoots up to 40 and beyond when i rev it .The sweep is consistent with the rising rpms.Im just concerned at idle ...should i be?The motor is a hydro roller swap.

Jmark 08-04-2005 11:56 AM

Hmmm, 12 pounds is enough, but I'd think that if the engine is newly built it would have a lot more than that. Did you verify the rod and main bearing clearances when you put it together? If they are on the loose side, your pressure will suffer.

k-star 08-04-2005 12:11 PM

what jmark said... Give us your main and rod oil clearances...

Are you by any chance running a fram filter with the by-pass plugged in your filter adapter????

What is your oil pressure at 6000 rpm????


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