[Healeys] Distributors - 67 BJ8

[Bob Spidell]

Seems like this problem should have evidenced itself as an extremely wobbly dwell?


On 4/16/2012 6:01 PM, Jonas Payne wrote:
> Over the past few weeks, we had a TR6 in the shop that had been suffering from
> a "stutter" at throttle tip in for about a year.  Suddenly (literally
> overnight), the car was un-drivable, shaking, bucking and not making any power
> at all.
>
> We did an ignition tune up at the cost of $80  (cap, points, test coil, wires,
> plugs), no improvement.  (Parts needed replacement anyway) Vacuum check,
> nothing, carb check, nothing....................absolutely stumped.
>
> After removal and replacement of the dist (for no other reason than "why
> not")., you could literally move the dist. shaft enough that when the points
> were open at one point in the rotation, it would close the points. Turns out
> the upper bushing on the dist was severely worn, causing the timing to jump as
> much as 20 degrees,  which we discovered while doing a much more exhaustive
> timing check.  Apparently the eccentric wear on the bushing finally got to a
> point where the shaft was "dropping into a hole" on side loading from the cam.
> None of this was evident at first glance or would have been obvious if you
> hadn't been looking for it.
>
> This was a very well maintained 65k mile car.
>
> It now pulls like a freight train and is as smooth as silk - cost of
> distributor rebuild - $40.
>
> Jonas Payne
> PBR
> Cell:   (702) 358-5084
> _______________________________________________
> t
>
>


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Bob Spidell           San Jose, CA            bspidell at comcast.net

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