healeys
[Top] [All Lists]

Re: [Healeys] Another backfiring question

To: "'Leonard Berkowitz'" <DrBerkowitz@hotmail.com>
Subject: Re: [Healeys] Another backfiring question
From: gradea1@charter.net
Date: Thu, 28 Jan 2021 23:43:26 +0000 Uo2QoshxzTNVuVIzjWs6DSz+M5jrkv3Ju1Ah+ksNpWHDHw7dBEZUxa5wZyGmhpnVQ8+LBF9ZQ1c24csNfVO021076yLSUI0S1oA=
Cc: 'Healeys' <healeys@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
Importance: Normal
--===============2056695223947154742==
 boundary="=_9d7b1df7fccee9dbdf6b8e86aa418009"

--=_9d7b1df7fccee9dbdf6b8e86aa418009
Content-Transfer-Encoding: quoted-printable

Sounds lean too me. I think lifting the piston with the pin is a bit=0An=
ebulous, as you cannot gauge the amount of lift. Using the SU tool=0Aset=
 you insert rods into the pistons and you can then accurately lift=0Aeac=
h piston 1/32" which is the thickness of the rod. Another method is=0ACo=
lor Tune in which you can see the richness of the mixture...these=0Aare=
 much more accurate procedures than the lift the piston method.=0AThere=
 could be many other factors, as discussed, but if all runs well=0Aat lo=
w rpms, then if properly adjusted, the car should perform=0Athroughout t=
he entire range.=0AI just had a similar issue with my BJ8 cutting out at=
 about 2500 RPMs,=0Aunloaded...turned out to be the white/black wire mou=
nted to the master=0Ashutoff switch being frayed! Small things make big=
 issues. Hank=0A=0A=09-----------------------------------------From: "Le=
onard Berkowitz" =0ATo: "Healeys"=0ACc: =0ASent: Thursday January 28 202=
1 1:37:58PM=0ASubject: [Healeys] Another backfiring question=0A=0A  Hi a=
ll  =0A  Just finished repairing and reinstalling the carburetors on my=
 BJ7.=0AI thought I had everything adjusted properly. According to my Ha=
ynes=0AManuel the engine speed should increase slightly when you lift th=
e=0Apiston a very small amount. Mine does that. My dwell angle is where=
 it=0Aneeds to be and the car starts and idles nicely. Also sounds beaut=
iful=0Awhen I punch the accelerator linkages. The problem is that when I=
 get=0Ait up to 60-70 mph I get what sounds like backfiring into my=0Aca=
rburetors. Also sounds like it doesn=E2=80=99t have a whole lot left in=
=0Athe tank, so to speak. Does that sound like I am running too rich or=
=0Atoo lean?   =0A  Len Berkowitz

--=_9d7b1df7fccee9dbdf6b8e86aa418009
Content-Transfer-Encoding: quoted-printable

<html><body>Sounds lean too me. I think lifting the piston with the pin=
 is a bit nebulous, as you cannot gauge the amount of lift.&nbsp; Using=
 the SU tool set you insert rods into the pistons and you can then accur=
ately lift each piston 1/32" which is the thickness of the rod. Another=
 method is Color Tune in which you can see the richness of the mixture..=
these are much more accurate procedures than the lift the piston method=
<div><br></div><div>There could be many other factors, as discussed, bu=
t if all runs well at low rpms, then if properly adjusted, the car shoul=
d perform throughout the entire range.</div><div><br></div><div>I just h=
ad a similar issue with my BJ8 cutting out at about 2500 RPMs, unloaded.=
.turned out to be the white/black wire mounted to the master shutoff sw=
itch being frayed!&nbsp; Small things make big issues. Hank<br><br><div=
 class=3D"reply-new-signature"></div><p>--------------------------------=
---------</p>From: "Leonard Berkowitz" <drberkowitz@hotmail.com><br>To:=
 "Healeys"<br>Cc: <br>Sent: Thursday January 28 2021 1:37:58PM<br>Subjec=
t: [Healeys] Another backfiring question<br><br>=0A<div style=3D"font-fa=
mily:Calibri, Helvetica, sans-serif;font-size:12pt;color:rgb(0,0,0);">=
=0AHi all</div>=0A<div style=3D"font-family:Calibri, Helvetica, sans-ser=
if;font-size:12pt;color:rgb(0,0,0);">=0A<br></div>=0A<div style=3D"font-=
family:Calibri, Helvetica, sans-serif;font-size:12pt;color:rgb(0,0,0);">=
=0AJust finished repairing and reinstalling the carburetors on my BJ7.=
=0AI thought I had everything adjusted properly. According to my=0AHayne=
s Manuel the engine speed should increase slightly when you=0Alift the p=
iston a very small amount. Mine does that. &nbsp;My dwell=0Aangle is whe=
re it needs to be and the car starts and idles nicely.=0AAlso sounds bea=
utiful when I punch the accelerator linkages. The=0Aproblem is that when=
 I get it up to 60-70 mph I get what sounds=0Alike backfiring into my ca=
rburetors. Also sounds like it doesn=E2=80=99t=0Ahave a whole lot left i=
n the tank, so to speak. Does that sound=0Alike I am running too rich or=
 too lean?&nbsp;</div>=0A<div style=3D"font-family:Calibri, Helvetica, s=
ans-serif;font-size:12pt;color:rgb(0,0,0);">=0A<br></div>=0A<div style=
=3D"font-family:Calibri, Helvetica, sans-serif;font-size:12pt;color:rgb(=
0,0,0);">=0ALen Berkowitz&nbsp;</div>=0A</drberkowitz@hotmail.com></div>=
</body></html>

--=_9d7b1df7fccee9dbdf6b8e86aa418009--


--===============2056695223947154742==
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

_______________________________________________

Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archive

Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys



--===============2056695223947154742==--


<Prev in Thread] Current Thread [Next in Thread>