<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>In the early 70's I had a G Production 1147 spitfire and, I think I'm right in remembering this, a TR6 oil pump bolted up with no modification to the block. I think I did some work in the pan. I was told it flowed more and I'm thinking the TR6 rotor assembly was 50% taller than the 1147. There may have been a simple aluminum adaptor or plate used to fit the larger pump. Maybe someone has both pumps to compare. </div><div><br></div><div>Also looked at the accusump site and they say minimum hose size of -6 for the one quart system. For the bigger systems the min hose size is -10. </div><div><br><br><div>Sent from my iPhone</div></div><div><br>On Aug 16, 2016, at 3:04 PM, Larry Young <<a href="mailto:cartravel@pobox.com">cartravel@pobox.com</a>> wrote:<br><br></div><blockquote type="cite"><div>
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<p>When I was looking at these issues, I did the flow calculations
to add a little engineering to the decision. For a 4 gpm flow of
20w-50 oil at 212 degrees, the pressure drop is: 0.2, 0.5 and 2.0
psi/ft for AN10, 8 and 6 respectively. Fittings and valves are
usually treated as so many equivalent feet of straight pipe. I
think 4 gpm is a respectable rate. I surfed all over the internet
looking for pump rates, but could not find specs on an actual pump
rate for any engine. Next time you buy a "high volume" oil pump
ask for the rate and see what happens.</p>
<p> - Larry<br>
</p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Fot
[<a class="moz-txt-link-freetext" href="mailto:fot-bounces@autox.team.net">mailto:fot-bounces@autox.team.net</a>] <b>On Behalf Of </b>marty<br>
<b>Sent:</b> Monday, August 15, 2016 11:47 AM<br>
<b>To:</b> FOT <a class="moz-txt-link-rfc2396E" href="mailto:fot@autox.team.net"><fot@autox.team.net></a><br>
<b>Subject:</b> [Fot] Auxiliary Oil Line Size<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif">What
size braided lines are you folks running for your
accusumps, oil coolers, remote oil filters? <br>
<br>
Thanks,<br>
Marty<o:p></o:p></span></p>
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