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Re: [Roadsters] Roadster cuts out at 3k rpms

To: "robert k. smith" <rksmith46@hotmail.com>
Subject: Re: [Roadsters] Roadster cuts out at 3k rpms
From: antony wardle <antonywardle@gmail.com>
Date: Fri, 16 Apr 2010 14:46:22 +1000
anyone else curious to find
out what the answer was?

have you managed to figure it out yet?

kiwi




On 16 April 2010 13:44, robert k. smith <rksmith46@hotmail.com> wrote:

> hi, i worked on a roadster one time that did the same thing.
>
> it turned out to be in the fitting connecting the float chamber
>
> hose to the movable jet, it was right where the hose went on
>
> the fittings. the passage was  about 1/2 blocked. i usually
>
> take a flexible piece of wire and run it thru both fittings
>
> and the hose. good luck,
>
>    bob smith
>
>    69 srl 311
>
>     04 volvo s-40 turbo.
>
>
> >
> > After Andy Cost's reply regarding timing not advancing, I'm wondering if
> you
> > could be having the same problem that can affect the 240 Z distributors.
> >
> > In those, there is a small plastic piece below the points plate which
> houses
> > several ball bearings. Over time and age, the plastic gets brittle,
> cracks
> > and loses the ball bearings. The result is that the point plate is no
> > longer free to rotate and will do so only during violent vacuum changes
> or
> > by sudden extreme acceleration.
> >
> > Remove the dizzy cap, and look down in the bottom of the "cup" of the
> > distributor. If you see ball bearings running around loose... you need a
> > new plate. To test, in case you don't see the ball bearings, disconnect
> the
> > hose at the vacuum advance pot, suck on the end of it to simulate engine
> > vacuum and watch the points plate action. It should rotate smoothly and
> > return smoothly.
> >
> > FWIW
> > E
> >
> > Sent: Monday, April 12, 2010 6:55 PM
> > Subject: Re: [Roadsters] Roadster cuts out at 3k rpms
> >
> >
> > > We have been debugging our recently restored 69 2000 with SU's and B
> cam.
> > > Just
> > > got floats and needles corrected, timing set, new fuel pump,new
> non-smog
> > > distributor, etc.. Drove for the first time in 25 years. Runs good up
> to
> > > around 3000 rpms and sputters/doesnt want to accelerate past 3 M under
> > > load.
> > > Bought new coil thinking that was the problem. Car now cranks instantly
> > > and
> > > definitely idles better with new coil. Still doesn't want to take gas
> past
> > > 3M
> > > rpms. Thought it was ignition related but now wondering if it could be
> > > carbs.
> > > Any suggestions?
> > >
> >
>
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