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I'm OD'ing! + intermittant rough running

To: <Healeys@autox.team.net>
Subject: I'm OD'ing! + intermittant rough running
From: "Mick Vander Ploeg" <mvanderploeg@nc.rr.com>
Date: Tue, 31 May 2005 19:21:54 -0400
In my haste to get my Healey completed & back on the road, I never bothered to
check whether the overdrive was working.  So, of course, it wasn't.  Finally,
after ignoring this fact for a while, I tore things back apart this weekend,
and after some minor solenoid lever adjustments it's working like a champ.
The first time it engaged, I was shocked at how well it worked.  Very smooth
engagement, and a nice big drop in the RPM's.  I never knew what I was
missing.

That would conclude the mechanical portion of my restoration, leaving only the
top installation & the trunk liner to totally wrap things up.  But, the other
weekend, I was out for a drive & decided to pop in at a friend's house.  After
a 20 minute rest, I got back in the Healey, cranked it up and went on my way.
As soon as I got up to speed, I noticed that it was running very rough,
especially under load and at higher RPMs (above 3000).  Nothing seemed to help
the situation, and I started becoming concerned whether I'd even make it home.
Well, this weekend as I was fiddling with the OD, I decided to also dig into
the rough running situation.  I checked the mixture after it warmed up, and
everything seemed fine.  I took it out to test the OD, and it ran perfectly.
I came home and turned it off for a while in a attempt to recreate the
scenario, and it still ran fine after I took it back out.

Should I chalk it up to a freak occurrence, or is there something specific I
should be looking for to prevent it from happening again?  I'd say that
ambient temperature at the time of both drives was the same.

Also, on a totally unrelated note, does anybody happen to know how to install
a top on a Longbridge BN4?  Step by step instructions or a video would be
wonderful.

Thanks,

Mick Vander Ploeg
'57 BN4




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