[Healeys] Cam shaft

richard mayor mayorrichard at hotmail.com
Tue Nov 1 18:19:04 MST 2011


Mike,
If the back of the lobes are ground down to the same plane as the shaft,
instead of building the lobes, you can simply undercut the shaft around the
lobes by about .010" for less than $50 and you can use save that camshaft.

Richard Mayor
BN7L-466  Vintage Racer
Portland, Oregon


> Date: Mon, 31 Oct 2011 21:21:04 -0400
> From: msalter at precisionsportscar.com
> To: jmsdarch at sbcglobal.net
> CC: healeys at autox.team.net
> Subject: Re: [Healeys] Cam shaft
>
> I suspect John that the BJ8 grind that you had done has brought the back of
> the lobes down to the shaft and there is no more lobe that can be removed
> to produce the BJ8 lift.
> You can have each of the 12 lobes built up with weld than ground back to
> spec, find and other pre BJ8 cam and have it ground to BJ8 specs, some
> Wolseley and Austin Westminster cams can also be used (be careful to get
> the correct cam and oil pump gears), or buy a new BJ8 cam from one of the
> usual suspects.
> In my experiance building up lobes costs about $50 per lobe so if they are
> all worn it can get a bit expensive..
> Once you have your new cam be VERY careful to use the correct oil..
> This is worth reviewing.http://www.netbug.net/blogmichael/?p=49
>
> Michael Salter
>
>
> > > '62 BT7
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