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Ira,
I did an extensive look into headers for my 1960 BT7 which is not too
different from your 59BN4. This is what I found:
The outrigger on the drivers side must be modified to accept larger diameter
pipe at a wider centre to centre spacing. BJ8 had this type of outrigger as
standard.
Possibly the corner of the intake manifold will require machining to clear
the header but this may be dependant on the brand of header
The existing exhaust system will have to replaced as the headers have a
different diameter and spacing.
Possibly you could come up with an adapter to fit between the header and the
existing exhaust but space is limited.
I would be interested if you find a header that dose's require some or all
of these modifications.
Harold
From: Healeys [mailto:healeys-bounces@autox.team.net] On Behalf Of i erbs
Sent: Friday, May 08, 2020 10:26 AM
To: Ahealey help
Subject: [Healeys] Headers
Howdy all,
Hope you are all well.
It has been a long time since I removed my exhaust. Is it possible to
replce the exhaust manifold with a header and not remove the intake
manifold?
Ira Erbs
Portland,OR
59 BN4
67MGB
65 AH Sprite
phone makes it's own choices. Forgive typos
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<DIV dir=3Dltr align=3Dleft><SPAN class=3D349541802-09052020><FONT =
color=3D#0000ff=20
size=3D2 face=3DArial>Ira,</FONT></SPAN></DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D349541802-09052020><FONT =
color=3D#0000ff=20
size=3D2 face=3DArial></FONT></SPAN> </DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D349541802-09052020><FONT =
color=3D#0000ff=20
size=3D2 face=3DArial>I did an extensive look into headers for my 1960 =
BT7 which is=20
not too different from your 59BN4. This is what I =
found:</FONT></SPAN></DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D349541802-09052020><FONT =
color=3D#0000ff=20
size=3D2 face=3DArial></FONT></SPAN> </DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D349541802-09052020><FONT =
color=3D#0000ff=20
size=3D2 face=3DArial>The outrigger on the drivers side must be modified =
to accept=20
larger diameter pipe at a wider centre to centre spacing. BJ8 had this =
type of=20
outrigger as standard.</FONT></SPAN></DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D349541802-09052020><FONT =
color=3D#0000ff=20
size=3D2 face=3DArial>Possibly the corner of the intake manifold will =
require=20
machining to clear the header but this may be dependant on the brand of=20
header</FONT></SPAN></DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D349541802-09052020><FONT =
color=3D#0000ff=20
size=3D2 face=3DArial>The existing exhaust system will have to replaced =
as the=20
headers have a different diameter and spacing.</FONT></SPAN></DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D349541802-09052020><FONT =
color=3D#0000ff=20
size=3D2 face=3DArial></FONT></SPAN> </DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D349541802-09052020><FONT =
color=3D#0000ff=20
size=3D2 face=3DArial>Possibly you could come up with an adapter to fit =
between the=20
header and the existing exhaust but space is =
limited.</FONT></SPAN></DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D349541802-09052020><FONT =
color=3D#0000ff=20
size=3D2 face=3DArial></FONT></SPAN> </DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D349541802-09052020><FONT =
color=3D#0000ff=20
size=3D2 face=3DArial>I would be interested if you find a header that =
dose's require=20
some or all of these modifications.</FONT></SPAN></DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D349541802-09052020><FONT =
color=3D#0000ff=20
size=3D2 face=3DArial></FONT></SPAN> </DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D349541802-09052020><FONT =
color=3D#0000ff=20
size=3D2 face=3DArial>Harold</FONT></SPAN></DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D349541802-09052020><FONT =
color=3D#0000ff=20
size=3D2 face=3DArial></FONT></SPAN> </DIV>
<DIV dir=3Dltr align=3Dleft><SPAN class=3D349541802-09052020><FONT =
color=3D#0000ff=20
size=3D2 face=3DArial></FONT></SPAN> </DIV>
<DIV dir=3Dltr align=3Dleft><SPAN =
class=3D349541802-09052020></SPAN><FONT=20
face=3DTahoma><FONT size=3D2><SPAN class=3D349541802-09052020><FONT =
color=3D#0000ff=20
face=3DArial> </FONT></SPAN></FONT></FONT></DIV>
<DIV dir=3Dltr align=3Dleft><FONT face=3DTahoma><FONT size=3D2><SPAN=20
class=3D349541802-09052020> </SPAN><STRONG>From:</STRONG> Healeys=20
[mailto:healeys-bounces@autox.team.net] <B>On Behalf Of </B>i=20
erbs<BR><B>Sent:</B> Friday, May 08, 2020 10:26 AM<BR><B>To:</B> Ahealey =
help<BR><B>Subject:</B> [Healeys] Headers<BR></FONT></FONT><BR></DIV>
<DIV></DIV>
<DIV>Howdy all,
<DIV>Hope you are all well. </DIV>
<DIV>It has been a long time since I removed my exhaust. Is it =
possible to=20
replce the exhaust manifold with a header and not remove the intake=20
manifold? <BR><BR>
<DIV data-smartmail=3D"gmail_signature">Ira Erbs<BR>Portland,OR<BR>59=20
BN4<BR>67MGB<BR>65 AH Sprite<BR>phone makes it's own choices. Forgive=20
typos</DIV></DIV></DIV></BODY></HTML>
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