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[Healeys] Four cylinder woes

To: healeys@autox.team.net
Subject: [Healeys] Four cylinder woes
From: Steven Kingsbury via Healeys <healeys@autox.team.net>
Date: Sat, 10 Aug 2019 21:03:58 GMT MailServer1913B46.10000-1913B-0-be2a8866e288 definitions=2019-08-10_08:, , signatures=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 mlxscore=0 mlxlogscore=889 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1812120000 definitions=main-1908100236
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To start off, my car, an early BN1, #598 was burned up in the Paradise fir=
e and I just bought another BN1 to replace it. The new car has been hot ro=
dded up a bit. Cam, bigger carbs and different pistons so it has a way dif=
ferent compression ratio and has been in this configuration for over ten y=
ears I believe. Was told it runs like the wind and came from a reliable an=
d trust worthy person. Well I'm having problems with the car. Up to 2500 R=
PM, it runs great! When I can get it up to 3200 RPM it runs great again, i=
t's the 2500 to 3200 range where I'm having problems.=0A=C2=A0=C2=A0=C2=A0=
It feels like it's starving for fuel, or it has too much fuel, it hesitate=
s, feels like it's not running on all cylinders, and generally like a buck=
ing bronco, but then at 3200 or so, she smooths right out and flies!=0A=C2=
=A0=C2=A0=C2=A0I was told the carbs were set up a little rich. I leaned th=
em out one flat at a time and no difference until they got too lean and wo=
uldn't run well at all. So I took them back to original setting positions.=
=C2=A0=0A=C2=A0=C2=A0=C2=A0I've checked all gaps, they're all right. Pulle=
d plugs when getting home and they are all fine, a little brown and all ev=
en looking. New condenser, new coil, changed to new plugs, I have not chec=
ked the timing yet, but with the way it runs below 2500 and above 3000, it=
 seems to be just fine.=0A=C2=A0=C2=A0=C2=A0I am getting the car up in the=
 air Monday as I have new tires to replace the old ones and will do a stat=
ic timing check at that time. My old four cylinder was a breeze to set up =
and ran smooth through all revs. What am I missing with an engine set up l=
ike an M? Why would things go south between 2500 and 3000 and run fine bel=
ow and above?=0A=C2=A0=C2=A0=C2=A0All suggestions are welcome and I do hav=
e a new fuel pump on order, so fire away. I've been doing things one step =
at a time to not introduce new problems, but this is the only problem that=
 is consistent.=0A=C2=A0=C2=A0=C2=A0Thanks,=0ASteven Kingsbury=0A=0A
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<html><body><div>To start off, my car, an early BN1, #598 was burned up in the 
Paradis=
e fire and I just bought another BN1 to replace it. The new car has been h=
ot rodded up a bit. Cam, bigger carbs and different pistons so it has a wa=
y different compression ratio and has been in this configuration for over =
ten years I believe. Was told it runs like the wind and came from a reliab=
le and trust worthy person. Well I'm having problems with the car. Up to 2=
500 RPM, it runs great! When I can get it up to 3200 RPM it runs great aga=
in, it's the 2500 to 3200 range where I'm having problems.</div><div>&nbsp=
;&nbsp;&nbsp;It feels like it's starving for fuel, or it has too much fuel=
, it hesitates, feels like it's not running on all cylinders, and generall=
y like a bucking bronco, but then at 3200 or so, she smooths right out and=
 flies!</div><div>&nbsp;&nbsp;&nbsp;I was told the carbs were set up a lit=
tle rich. I leaned them out one flat at a time and no difference until the=
y got too lean and wouldn't run well at all. So I took them back to origin=
al setting positions.&nbsp;</div><div>&nbsp;&nbsp;&nbsp;I've checked all g=
aps, they're all right. Pulled plugs when getting home and they are all fi=
ne, a little brown and all even looking. New condenser, new coil, changed =
to new plugs, I have not checked the timing yet, but with the way it runs =
below 2500 and above 3000, it seems to be just fine.</div><div>&nbsp;&nbsp=
;&nbsp;I am getting the car up in the air Monday as I have new tires to re=
place the old ones and will do a static timing check at that time. My old =
four cylinder was a breeze to set up and ran smooth through all revs. What=
 am I missing with an engine set up like an M? Why would things go south b=
etween 2500 and 3000 and run fine below and above?</div><div>&nbsp;&nbsp;&=
nbsp;All suggestions are welcome and I do have a new fuel pump on order, s=
o fire away. I've been doing things one step at a time to not introduce ne=
w problems, but this is the only problem that is consistent.</div><div>&nb=
sp;&nbsp;&nbsp;Thanks,</div><div>Steven Kingsbury</div><div><br data-mce-b=
ogus=3D"1"></div></body></html>
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