Subject: [Healeys] bronze guides

From: "healeymanjim" <[email-masked]>
Date: Wed, 27 Jan 2016 19:20:41 -0800

i have had bronze guides now for about 18 years with no problem.  friend had them put in his bj8 and we had to pull head 
and take it back to machinist because of valves hanging up.  still had a little problem on one valve, but it eventually wore in.  
appears to be a machinist problem on the ones i am familiar with.
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From: Michael <[email-masked]>
Date: Thu, 28 Jan 2016 08:55:34 -0500

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Hi Jim,
I have heard about experiences like those of your friend many many times.
I would suggest that the machinist who did your engine had previously encou=
ntered problems with bronze guides and hogged them out to provide lots of c=
learance.
 As explained in my article there are penalties associated with doing that =
but excessive clearance does minimize the possibility of a catastrophic eng=
ine failure caused by the head of a valve going through a piston.
The thing is however that if it is necessary to make the clearances larger =
than those of the cast iron guides that you are replacing then why bother c=
hanging them at all.
Michael S
BN1 #174

-----Original Message-----
From: "healeymanjim" <[email-masked]>
Sent: =E2=80=8E27/=E2=80=8E01/=E2=80=8E2016 11:13 p.m.
To: "[email-masked]" <[email-masked]>
Subject: [Healeys] bronze guides

i have had bronze guides now for about 18 years with no problem.  friend ha=
d them put in his bj8 and we had to pull head=20
and take it back to machinist because of valves hanging up.  still had a li=
ttle problem on one valve, but it eventually wore in. =20
appears to be a machinist problem on the ones i am familiar with.
_______________________________________________
Archive: http://www.team.net/archive

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[email-masked]

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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; charset=
=3Dutf-8"></head><body><div><div style=3D"font-family: Calibri,sans-serif; =
font-size: 11pt;">Hi Jim,<br>I have heard about experiences like those of y=
our friend many many times.<br>I would suggest that the machinist who did y=
our engine had previously encountered problems with bronze guides and hogge=
d them out to provide lots of clearance.<br> As explained in my article the=
re are penalties associated with doing that but excessive clearance does mi=
nimize the possibility of a catastrophic engine failure caused by the head =
of a valve going through a piston.<br>The thing is however that if it is ne=
cessary to make the clearances larger than those of the cast iron guides th=
at you are replacing then why bother changing them at all.<br>Michael S<br>=
BN1 #174</div></div><div dir=3D"ltr"><hr><span style=3D"font-family: Calibr=
i,sans-serif; font-size: 11pt; font-weight: bold;">From: </span><span style=
=3D"font-family: Calibri,sans-serif; font-size: 11pt;"><a href=3D"mailto:he=
[email-masked]">healeymanjim</a></span><br><span style=3D"font-fam=
ily: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">Sent: </span>=
<span style=3D"font-family: Calibri,sans-serif; font-size: 11pt;">=E2=80=8E=
27/=E2=80=8E01/=E2=80=8E2016 11:13 p.m.</span><br><span style=3D"font-famil=
y: Calibri,sans-serif; font-size: 11pt; font-weight: bold;">To: </span><spa=
n style=3D"font-family: Calibri,sans-serif; font-size: 11pt;"><a href=3D"ma=
ilto:[email-masked]">[email-masked]</a></span><br><span sty=
le=3D"font-family: Calibri,sans-serif; font-size: 11pt; font-weight: bold;"=
>Subject: </span><span style=3D"font-family: Calibri,sans-serif; font-size:=
 11pt;">[Healeys] bronze guides</span><br><br></div>i have had bronze guide=
s now for about 18 years with no problem.&nbsp; friend had them put in his =
bj8 and we had to pull head <br>and take it back to machinist because of va=
lves hanging up.&nbsp; still had a little problem on one valve, but it even=
tually wore in.&nbsp; <br>appears to be a machinist problem on the ones i a=
m familiar with.<br>_______________________________________________<br>Supp=
ort Team.Net http://www.team.net/donate.html<br>Suggested annual donation&n=
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n/options/healeys/[email-masked]<br><br></body></html>=

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