Be careful to check clearances when doing this, plastigauge proly has a size that will work. If you get the clearance too tight the gears can eat into the plate gall and even seize to the end plate. Sent from my BlackBerry® wireless device from U.S. Cellular -----Original Message----- From: Greg Taylor <amundaza@xxxxxxxxx> Sender: amc-list-bounces@xxxxxxxxxxxxxxxxxxxxx: Sat, 13 Nov 2010 18:29:24 To: Daniel G. Ritzinger<danritz@xxxxxxxxxxx>; AMC, Rambler, Nash, Jeep and family<amc-list@xxxxxxxxxxxxxxxxx> Reply-To: "AMC, Rambler, Nash, Jeep and family" <amc-list@xxxxxxxxxxxxxxxxx> Subject: Re: [AMC-list] Oil pressure Dan, I was getting 7-psi hot on the 360 in my GW, so I sanded the end of the timing cover, with a palm sander to tighten up the tolerances, then went with 20W50 Amsoil, that brought it up to 12 PSI at hot idle. I ran it for at least 15,000 miles like that. Sincerely, Greg Taylor Rochester Hills, MI 1989 Jeep Grand Wagoneer "TRMN8R2" 330-CID AMC Stroker V8 ________________________________ From: Daniel G. Ritzinger <danritz@xxxxxxxxxxx> To: "AMC, Rambler, Nash, Jeep and family" <amc-list@xxxxxxxxxxxxxxxxx> Sent: Sat, November 13, 2010 8:21:14 PM Subject: Re: [AMC-list] Oil pressure I've been getting about 10 PSI at hot idle ever since my 401 was rebuilt (pretty low idle, maybe 500 RPM or slightly less). I'd like to see more, but have had no issues after 5+ years on the road. Dan ----- Original Message ----- From: "Ken Ames" <ameskg@xxxxxxxxx> To: "AMC, Rambler, Nash, Jeep and family" <amc-list@xxxxxxxxxxxxxxxxx> Sent: Saturday, November 13, 2010 5:18 PM Subject: Re: [AMC-list] Oil pressure "Standard old-shool rule of thumb was 10-psi for every 1000 RPM. " I believe this is for chebbys and such. Most AMC TSMs call for at least 13 at idle and over 37 at highway rpm. (with hot oil I assume) Ken Quoting Greg Taylor <amundaza@xxxxxxxxx>: > Yes, do check the relief spring setup and/or if you have the bypass > flapper (if > you do ... you can get a pump cover withOUT one. > > Cold idle rebuilt should be 40-65 PSI . Warm should be no less than 20 > PSI, > > usually is more about 45-50 PSI if the pump gears/housing are set > up properly. > Standard old-shool rule of thumb was 10-psi for every 1000 RPM. I > personally > want to see more than 10-PSI at 1000 RPM. >  > Sincerely, > Greg Taylor > Rochester Hills, MI > 1989 Jeep Grand Wagoneer "TRMN8R2" > 330-CID AMC Stroker V8 > > > > >________________________________ > From: Don <don_nsx@xxxxxxxxxxxx> > To: AMC List <amc-list@xxxxxxxxxxxx> > Sent: Sat, November 13, 2010 3:51:18 PM > Subject: [AMC-list] Oil pressure > > I recently had a rebuild done on a 70 390 engine. What oil pressure > should > I be > getting at idle? I am afraid I may end up pulling this engine back out. > > > Jim > > Jim, > Donâ?Tt pull the engine until you check the oil pressure relief spring > system. > If the relief spring is too weak or installed wrong, it may be bypassing > most > of > the pumps output. > Don > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://list.amc-list.com/pipermail/amc-list-amc-list.com/attachments/20101113/0695d1aa/attachment.htm> > >_______________________________________________ > AMC-list mailing list > AMC-list@xxxxxxxxxxxxxxxxx > http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com > > > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://list.amc-list.com/pipermail/amc-list-amc-list.com/attachments/20101113/a8a95ca1/attachment.htm> >_______________________________________________ > AMC-list mailing list > AMC-list@xxxxxxxxxxxxxxxxx > http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com > _______________________________________________ AMC-list mailing list AMC-list@xxxxxxxxxxxxxxxxx http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com _______________________________________________ AMC-list mailing list AMC-list@xxxxxxxxxxxxxxxxx http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://list.amc-list.com/pipermail/amc-list-amc-list.com/attachments/20101113/f64dffd2/attachment.htm> _______________________________________________ AMC-list mailing list AMC-list@xxxxxxxxxxxxxxxxx http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com _______________________________________________ AMC-list mailing list AMC-list@xxxxxxxxxxxxxxxxx http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com