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[Healeys] Throttle Bushes

Subject: [Healeys] Throttle Bushes
From: eyera3000 at gmail.com (i erbs)
Date: Thu, 9 Mar 2017 09:49:50 -0800
References: <a905d3e6-6369-b567-7377-73d02d719bc4@comcast.net>
Good catch. They tend to get munged when folks install or remove their
engines, if not as stated heat and time.
I built a cable throttle set up to bypass the Rube Goldberg set up. I have
promised a wrote up to John Sims for quite some time to add to his
wonderful site. I have been slowly working on it and will soon I hope get
it to him.

Ira Erbs
Portland,OR
      _______                                  _______
     (______ \____1959 BN4____/ _______)
         (_________________________)
          BT7 engine and disk brakes

A racing car is an animal with a thousand adjustments. Mario Andretti
Please excuse random auto corrects and misspelled words

On Thu, Mar 9, 2017 at 8:31 AM, Bob Spidell <bspidell at comcast.net> wrote:

> Cross-posting from BCF:
>
> While getting ready to drop the rebuilt engine into my BJ8, I noticed the
> 'throttle relay shaft'--yeah, the one under the scuttle, all but impossible
> to get to with the engine installed--was bent. 'Crap,' I thought, 'one more
> job to do before I can get the engine in.' It turns out this was
> serendipitous--first time this word's been used on the List?--because as I
> inspected the shaft, I noticed that one of the two brackets was also bent,
> and further inspection revealed that the bush on the driver's side was way
> sloppy (actually, pretty much gone). A quick check of the Moss catalog
> showed 'N/A' for all the parts--I'm screwed, I thought. Then, I remembered
> I'd bought a replacement set--supposedly made of teflon, but they say
> 'nylon' on the bag--but had given up on installing them because the
> instructions showed 'through BN7 and BT7' (BJ7/8s need not apply). I called
> BCS to see what they had, and John, their parts guy said they'd work on
> BJ8s. So, I did some digging and, although the photo of the instructions
> and applications on Moss' web page showed 'though BN7 and BT7,' if you
> download the instructions--5 pages!--they've been revised to show they work
> on the 'J' cars.
>
> Anyway, if anyone has the engine out of one of the later 6-cyl cars I
> recommend you check these brackets and bushings. They are bronze bonded to
> rubber and, although my car has nearly 200K miles, I suspect the life of
> these is determined as much/more in years as in miles, as the rubber gets
> baked by engine heat. The rubber on my driver's side bush was completely
> dry, caked and brittle, and could conceivably have resulted in a stuck
> throttle. The instructions are intimidating--5 pages!--but, except for
> having to work under the dash, which I hate, the job was pretty
> straightforward. I managed to get the shaft reasonably straight, and the
> used bracket I got from BCS was in good shape (though, in hindsight, I
> probably could have straightened my bent one), so now my Rube
> Goldberg-designed throttle works smooth and with no slop.
>
> Thought I'd pass this along since I hadn't seen this issue discussed
> before. I'd long since replaced the rubber/bronze bush on the shaft on the
> engine, and should never have to worry about these again. Credit to to Eric
> Gruden who designed these bushes, and to Moss for going the extra mile to
> provide these, for a reasonable cost (about $13).
>
> Bob
>
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