Gary.
I'm not sure if this is the answer to the problem but it sounds like your
engine is higher up than it should be. In my experience the problem arises
because the large rubber engine mounts are slightly thicker than originals
and also the two metal backing plates are bonded to the sandwich slightly
offset to each other. The diagonal offset jacks the engine up around half an
inch higher than it should be and creates all sorts of clearance problems.
It also tilts the engine slightly - up at the front and down at the rear. If
the problem isn't fixed, the slight angle will cause the rear of the
silencer to be even lower - as if the box isn't low enough!
When you are swopping out the 100/6 mounts for handed BJ8 ones take a side
view of the rubber mount. You will see what I mean.
AlanB
www.nfahc.co.uk
-----Original Message-----
From: healeys-bounces@autox.team.net [mailto:healeys-bounces@autox.team.net]
On Behalf Of Warthodson@aol.com
Sent: 22 April 2009 17:12
To: healeydoc@sbcglobal.net
Cc: healeys@autox.team.net
Subject: Re: [Healeys] exhaust header
The car is a Left Hand Drive 1964 Phase 1 BJ8. (Healey Ice Blue metallic,
if that makes a difference!)
The #1 exhaust pipe hits the angled support (the support that goes from
near the master cylinders down to the frame). The #1 pipe misses the
steering
column be less than 1/32" which I do not feel is enough clearance.
The #2 & 3 pipes hit the top of the motor mount.
The #6 pipe hits the angled insulation board on the toe box.
In addition. the header cannot be installed with the studs in the head. The
studs must be removed, then the header offered up into position & then the
studs re-installed. I don't know if this is normal or not.
The engine was recently installed with rebuilt motor mounts including new
rubber. However, the motor mounts are the non-handed type from a 100/6. I
don't see how this could be the cause of the interferences, however I have
purchased a set of proper BJ8 mounts & new rubber & will swap out the
mounts
to eliminate this variable.
How these mounts ended up on my BJ8 remains a mystery. Why every thing I
try to install requires modification is also a mystery.
Gary Hodson
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