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Re: [Healeys] Ruff running, bucking car

To: warthodson@aol.com, healeyguy@bredband.net, healeys@autox.team.net
Subject: Re: [Healeys] Ruff running, bucking car
From: ATIGHTPROD@aol.com
Date: Mon, 21 Nov 2011 12:18:28 -0500 (EST)
I had the same problem with my BN1. Granted it's not the same, but if I got 
 even close to 190 around town, the car would buck and jerk and backfire 
and  embarrass the hell out of me. Once out on the road though, it would calm 
down  and run just fine. It would run fine even over 200 degrees if I was 
going  down the freeway on long trips. I installed a marine bilge fan that 
sucked  in cold air from right behind the grill and then blew it directly on to 
my  front float bowl. Cured the problem right away. I got the bilge fan off 
of ebay  for about $26, painted it flat black and it took a couple of hours 
to  install. Have an on/off switch inside the cockpit sitting on my parcel 
shelf and  if the car gets close to getting hot, I turn it on and problem 
solved. I have  now just installed a new fan I got from David Nock at British 
Car  Specialists and what a difference. This thing really moves the air and 
since  installing the new fan, I haven't had to use the bilge fan. I'm sure 
I will need  it when summer rolls back around and I get stuck in LA traffic, 
but this worked  for me, so it might be worth a shot for you. 
    If you'd like photos, let me know and I'll send  some out. 
Steven Kingsbury
BN1 #598
 
In a message dated 11/21/2011 7:23:30 A.M. Pacific Standard Time,  
warthodson@aol.com writes:

I agree  with your analysis & that is what we thought the problem was too. 
It
is  true that if he lets the car cool down when sitting or if he can get it 
 up
to a decent speed for a long enough time while it is bucking it  will
eventually clear up. But this is almost impossible because of  the
extreme/serious bucking. However, as I said, his fuel line runs down  the 
right
side of the frame & across to the carbs in the stock BJ7  location. The HD8s
including intake manifold, heat shield insulating  spacers are all stock. 
The
fuel pump should run continuously if the fuel is  boiling in the float
chambers. It is not. The car is not running hot. He is  using premium fuel 
& we
have drained the tank & re-filled with  other brands of fuel. We have 
checked
the entire fuel system for  restrictions, clogged filters faulty pickup 
tubes,
etc. This only happens  to his car. When we are traveling in a group (same
conditions) & it  does not happen to any of the other cars including several
BJ7s &  BJ8s.
Currently, I am leaning towards the sticky valve guide theory.  However, I 
do
not know how to verify this theory. Any  suggestions?
Gary
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