It's the wierdest thing...today I was trying to run the motor and it was sounding
much like a Victa...then I looked under the bonnet and I noticed there was no fuel
in the bowl...so I thought it was out of juice so I went to pull the fuel cap off and
I couldnt turn it because of a strong vacuum inside the tank...I eventually got it
and the air rushed into the tank like a scene from that movie "Backdraft"...well
not quite but anyway I'm thinking the tank isn't letting fuel get out because of the
suction and sure enough the hoses that let the fuel tank breath while the motor
is running are gone...this is the 200B L20B I'm talking about...the one without
the charcoal canister...I loosened the cap and poured some fuel in and it runs again
now. The only wierd thing is that remember I said the fuel used to sit above the mark
a few millimetres now it sits dead on it.
I noticed this rough running after I put a blank plate in between where the exhaust
recirculation pipe and engine breather hoses go into the carby...which doesnt make
sense because the fuel breather hoses were not connected then either. Maybe with
the extra vacuum in the manifold it was using a lot more fuel than before.
All I know is I should sort out the fuel tank so it can breath.
27/05/01 9:54:08 PM, "Terry Rudd" <[EMAIL PROTECTED]> wrote:
>It's nice to have a spare engine, however I always find it easier to
>diagnose what's wrong with the old one while it's a runner. It may not be a
>serious problem, eg a crook plug or dizzy cap, get a mate who knows engines
>to have a look.
>
>Most specialised radiator shops can do a leak down test, they may charge you
>for it and then offer to take the fee off if you get it repaired there, call
>one a check it out.
>
>regards
>Terry
>
>-----Original Message-----
>From: [EMAIL PROTECTED]
>[mailto:[EMAIL PROTECTED]]On Behalf Of Pig
>Sent: Sunday, 27 May 2001 9:12
>To: [EMAIL PROTECTED]
>Subject: RE: Rough motor
>
>
>Should I get the head tested while it is still in the car? CO2 test out the
>radiator is it?
>
>I might just drop the spare L20B in. It's just been rebuilt recently, but I
>didn't really want to drop it in because it's got an
>"extreme" cam in it, which was the best description the previous owner could
>offer...it's the biggest you can go he
>reckons and is very thirsty. It also has a L18 head on it which I guess
>bumps the compression up a bit...that would
>probably be around 9.5:1 would it?
>
>I will see how thirsty it is with the single downdraft carb anyway. Then I
>can play with the head later.
>
>
P.W.J. Stanley (aka Pig, Pop)
www.pwjstanley.com
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