Subject: RE: What heads to use!
Author: Edward Walton
Date: Jan 28, 2005, 12:01 AM
Post ID: 1718289796
<html><div style='background-color:'><DIV class=RTE>
<P>Charlie</P>
<P>Fifteen years ago I changed the heads on my Ambassador, Header pipes were moving arround Threads were toast! Put on new heads and kept the valves.These old valves fitted into the V700 heads! Is that right? Will 850 eldo & 850 t valves fit or are they bigger? For sure the twin springs will not fit over the vavle guides. Guides have to be changed so should I machine the heads to fit the dual springs or just leave the singles? Thanks for the help Guy`s</P>
<P>Ted<BR></P></DIV>
<DIV></DIV>From: Charlie Mullendore <c.d.mul-@att.net>
<DIV></DIV>Reply-To: Loopfram-@topica.com
<DIV></DIV>To: Loopfram-@topica.com
<DIV></DIV>Subject: RE: What heads to use!
<DIV></DIV>Date: Fri, 28 Jan 2005 02:25:46 +0000
<DIV></DIV>
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<DIV></DIV>Hi Ted,
<DIV></DIV>I wouldn't think there would be a problem with the single valve springs
<DIV></DIV>unless it was with float at high RPMs. The V700/early Ambo heads also
<DIV></DIV>have smaller valve diameters so you'll not get the horsepower of the
<DIV></DIV>later heads. They use a different guide as well, but the later style
<DIV></DIV>will work without the locating circlip or ridge. One plus that I've
<DIV></DIV>noticed though is that the V700 heads don't seem to crack between the
<DIV></DIV>(intake or exhaust? - can't remember right now) valve and sparkplug hole
<DIV></DIV>like most of the later heads do. If you use them I'd recommend using the
<DIV></DIV>reducer inserts sandwiched between two gaskets for proper port velocity
<DIV></DIV>and heat isolation. Cheers,
<DIV></DIV>
<DIV></DIV>Edward Walton wrote:
<DIV></DIV>>
<DIV></DIV>> Hey Guys I have a old set of heads that came off a 700 or 750 with the
<DIV></DIV>> metal inserts for intake side. When you have the inserts out the intake
<DIV></DIV>> hole is too big for the newer square sided carbs. Are these heads as
<DIV></DIV>> good as the others. Looks like the dual springs will not fit . They have
<DIV></DIV>> good exhaust threads! Any problems with the single spring valves.
<DIV></DIV>> Thanks Ted
<DIV></DIV>
<DIV></DIV>
<DIV></DIV>
<DIV></DIV>Charlie
<DIV></DIV>http://www.loopframeguzzi.com/
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