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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoPlainText>Thanks, Dermot. I also have read that the SD1 breathing is restricted severely. A Vitesse twin plenum was advertised a few months back, and sold for £800! I plan to investigate throttle body injection on an Edelbrock manifold, or similar. <o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>AvMedSafe<o:p></o:p></p><p class=MsoPlainText>Geoffrey W. McCarthy MD MBA DipAvMed<o:p></o:p></p><p class=MsoPlainText>677 NW Melinda Ave Portland OR USA 97210<o:p></o:p></p><p class=MsoPlainText>503-241-8468(h) 503-799-3809 (mobile)<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>-----Original Message-----<br>From: Rovernet [mailto:rovernet-bounces@rovernet.org] On Behalf Of Dermot Harvey via Rovernet<br>Sent: Monday, March 07, 2016 10:59 AM<br>To: Rovernet <rovernet@rovernet.org><br>Cc: Dermot Harvey <roverman2@verizon.net><br>Subject: Re: [Rovernet] 3.5 to 3.9?</p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Hi Geoffrey,<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>I think you would be better off with one of the larger iterations of the Rover V8. such as the 3.9 or 4.2 Liter. I have both engines used in stock if you are interested.<o:p></o:p></p><p class=MsoPlainText>Alternately, you could have your present motor upgraded in power by using higher compression pistons, a more radical camshaft and improvements to your Fuel Injection mapping. This is what I did with my SD1 when I rebuilt the motor some years ago. The car is now no slouch and is an excellent Grand Touring car for fast longer journeys. Still prefer my 1971 2000TC for running around the County.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Best,<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Dermot Harvey<o:p></o:p></p><p class=MsoPlainText>Spectral Kinetics<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>> On Feb 29, 2016, at 6:46 PM, Brian Thornhill via Rovernet <<a href="mailto:rovernet@rovernet.org"><span style='color:windowtext;text-decoration:none'>rovernet@rovernet.org</span></a>> wrote:<o:p></o:p></p><p class=MsoPlainText>> <o:p></o:p></p><p class=MsoPlainText>> Being a Land Rover tech for 17 years and working with these motors for many years I am not a fan of boring them as you tend to break the seal loose between the sleeve and the block I have sourced a few good 3.9 and 4.6 blocks for guys with TR8's they work well if you ant to stay with that block contact The Wedge Shop they can help you.<o:p></o:p></p><p class=MsoPlainText>> <o:p></o:p></p><p class=MsoPlainText>> Please excuse errors and format this email sent from iPhone<o:p></o:p></p><p class=MsoPlainText>> <o:p></o:p></p><p class=MsoPlainText>> <o:p></o:p></p><p class=MsoPlainText>>> On Feb 29, 2016, at 3:21 PM, GeffMcCarthy via Rovernet <<a href="mailto:rovernet@rovernet.org"><span style='color:windowtext;text-decoration:none'>rovernet@rovernet.org</span></a>> wrote:<o:p></o:p></p><p class=MsoPlainText>>> <o:p></o:p></p><p class=MsoPlainText>>> I am still looking for more thrust for my 1970 3500S and 1980SD1. Is <o:p></o:p></p><p class=MsoPlainText>>> it feasible, and reasonably priced, to bore the 3.5 to the 3.9? I <o:p></o:p></p><p class=MsoPlainText>>> understand the crankshaft remains the same.<o:p></o:p></p><p class=MsoPlainText>>> <o:p></o:p></p><p class=MsoPlainText>>> <o:p></o:p></p><p class=MsoPlainText>>> <o:p></o:p></p><p class=MsoPlainText>>> AvMedSafe<o:p></o:p></p><p class=MsoPlainText>>> <o:p></o:p></p><p class=MsoPlainText>>> Geoffrey W. McCarthy MD MBA DipAvMed<o:p></o:p></p><p class=MsoPlainText>>> <o:p></o:p></p><p class=MsoPlainText>>> 677 NW Melinda Ave Portland OR USA 97210<o:p></o:p></p><p class=MsoPlainText>>> <o:p></o:p></p><p class=MsoPlainText>>> 503-241-8468(h) 503-799-3809 (mobile)<o:p></o:p></p><p class=MsoPlainText>>> <o:p></o:p></p><p class=MsoPlainText>>> <o:p></o:p></p><p class=MsoPlainText>>> <o:p></o:p></p><p class=MsoPlainText>>> -------------- next part -------------- An HTML attachment was <o:p></o:p></p><p class=MsoPlainText>>> scrubbed...<o:p></o:p></p><p class=MsoPlainText>>> URL: <o:p></o:p></p><p class=MsoPlainText>>> <http://rovernet.org/pipermail/rovernet_rovernet.org/attachments/2016<o:p></o:p></p><p class=MsoPlainText>>> 0229/8be6d02b/attachment.html> <o:p></o:p></p><p class=MsoPlainText>>> _______________________________________________<o:p></o:p></p><p class=MsoPlainText>>> Rovernet mailing list<o:p></o:p></p><p class=MsoPlainText>>> <a href="mailto:Rovernet@rovernet.org"><span style='color:windowtext;text-decoration:none'>Rovernet@rovernet.org</span></a><o:p></o:p></p><p class=MsoPlainText>>> <a href="http://rovernet.org/mailman/listinfo/rovernet_rovernet.org"><span style='color:windowtext;text-decoration:none'>http://rovernet.org/mailman/listinfo/rovernet_rovernet.org</span></a><o:p></o:p></p><p class=MsoPlainText>> <o:p></o:p></p><p class=MsoPlainText>> _______________________________________________<o:p></o:p></p><p class=MsoPlainText>> Rovernet mailing list<o:p></o:p></p><p class=MsoPlainText>> <a href="mailto:Rovernet@rovernet.org"><span style='color:windowtext;text-decoration:none'>Rovernet@rovernet.org</span></a><o:p></o:p></p><p class=MsoPlainText>> <a href="http://rovernet.org/mailman/listinfo/rovernet_rovernet.org"><span style='color:windowtext;text-decoration:none'>http://rovernet.org/mailman/listinfo/rovernet_rovernet.org</span></a><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>-------------- next part --------------<o:p></o:p></p><p class=MsoPlainText>An HTML attachment was scrubbed...<o:p></o:p></p><p class=MsoPlainText>URL: <<a href="http://rovernet.org/pipermail/rovernet_rovernet.org/attachments/20160307/c4d1618c/attachment.html"><span style='color:windowtext;text-decoration:none'>http://rovernet.org/pipermail/rovernet_rovernet.org/attachments/20160307/c4d1618c/attachment.html</span></a>><o:p></o:p></p><p class=MsoPlainText>_______________________________________________<o:p></o:p></p><p class=MsoPlainText>Rovernet mailing list<o:p></o:p></p><p class=MsoPlainText><a href="mailto:Rovernet@rovernet.org"><span style='color:windowtext;text-decoration:none'>Rovernet@rovernet.org</span></a><o:p></o:p></p><p class=MsoPlainText><a href="http://rovernet.org/mailman/listinfo/rovernet_rovernet.org"><span style='color:windowtext;text-decoration:none'>http://rovernet.org/mailman/listinfo/rovernet_rovernet.org</span></a><o:p></o:p></p></div></body></html>