Tim, my answer would be you have a frayed cable, but you say it is new. I
would take a second look at it anyhow.
Patrick Bowen
-----Original Message-----
From: T. .R. Dafforn [mailto:td214@cam.ac.uk]
Sent: Monday, April 17, 2000 5:44 AM
To: spitfires
Subject: Throttle control problems
Hi Listers,
Finally after 2 1/2 years my car is legal again...
However I have just picked up a problem...
While driving back from the test station the throttle seems to stick
open causing the car to idle at 3K rpm...
Quick blip on the throttle and it dropped back to idle at 750 rpm...
Then it happened again 5K rpm...
blip and back down..
Got back and had a look at the throttle linkages, they seem fine
although the car has never had the return spring which attaches to the
header are these required? It has always relied on the return springs on
the carb...
Also noticed that the rear float bowl was leaking where the tube from
the jet screws in....
Does any one have any ideas whether the problem is mixture or sticking
throttle cable (which btw is brand new!!)
hope some one can help
cheers
Tim
PS the car is a 1500 twin SU carb...
--
Tim Dafforn
Structural Medicine
Department of Haematology
CIMR
University of Cambridge
Wellcome-MRC Building (Level6)
Hills Road
Cambridge
CB2 2XY
Tel. (01223) 336829
Fax. (01223) 336827
http://smokeroom.cimr.cam.ac.uk/
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