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360 LA-Magnum Head hy-brid oil pressure problem #375929 07/15/09 10:23 AM 07/15/09 10:23 AM
Joined: Jun 2007 Posts: 33 Lexington Indiana M mjhallas OP member
mjhallas OP member M Joined: Jun 2007 Posts: 33 Lexington Indiana	Anybody running one of these LA block-Magnum head combos? I bought one in a 78 Power Wagon and the oil pressure runs around 80 psi cold and @ 45-50 psi hot @ 2000 rpm. At idle it drops to 10-20 psi. Its not making any noise or rattling at idle. It dose have the correct AMC lifters and correct hollow push rods. ( checked these during an intake gasket change)I changed the oil and filter to a quality 10w40 without any difference. Should I get concerned or just run it?

Re: 360 LA-Magnum Head hy-brid oil pressure problem [Re: mjhallas] #375930 07/15/09 10:27 AM 07/15/09 10:27 AM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	Quote: the oil pressure runs around 80 psi cold and @ 45-50 psi hot @ 2000 rpm. At idle it drops to 10-20 psi. You're in perfect shape live every 24 hour block of time like it's your last day on earth

Re: 360 LA-Magnum Head hy-brid oil pressure problem [Re: RapidRobert] #375931 07/15/09 10:36 AM 07/15/09 10:36 AM
Joined: Jun 2007 Posts: 33 Lexington Indiana M mjhallas OP member
mjhallas OP member M Joined: Jun 2007 Posts: 33 Lexington Indiana	It just seems like a big varience range from cold to hot to idle.

Re: 360 LA-Magnum Head hy-brid oil pressure problem [Re: mjhallas] #375932 07/15/09 02:59 PM 07/15/09 02:59 PM
Joined: Jan 2003 Posts: 9,826 las vegas 70AARcuda master
70AARcuda master Joined: Jan 2003 Posts: 9,826 las vegas	once it hot...does the oil pressure go back up went the rpms go up? if it does ..it is fine.. you basically need 10 psi for every 1000 rpm.. Tony 70 AARCuda Vitamin C 71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield) 71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas) 71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)

Re: 360 LA-Magnum Head hy-brid oil pressure problem [Re: 70AARcuda] #375933 07/15/09 09:55 PM 07/15/09 09:55 PM
Joined: Oct 2005 Posts: 6,048 Back home in PA B BulletBob master
BulletBob master B Joined: Oct 2005 Posts: 6,048 Back home in PA	Quote: once it hot...does the oil pressure go back up went the rpms go up? if it does ..it is fine.. you basically need 10 psi for every 1000 rpm..

Re: 360 LA-Magnum Head hy-brid oil pressure problem [Re: 70AARcuda] #375934 07/16/09 12:48 PM 07/16/09 12:48 PM
Joined: Jun 2007 Posts: 33 Lexington Indiana M mjhallas OP member
mjhallas OP member M Joined: Jun 2007 Posts: 33 Lexington Indiana	Thank you, Guys, thought I had some work to do. This thing runs better than any (execpt for some hot 340's Ive had)small block I've ever had. Yet gets 12-13 mpg in the Power Wagon with 3.55's and 33's

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