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Re: [Healeys] template for BJ8 clutch

To: Earl Kagna <kags@shaw.ca>
Subject: Re: [Healeys] template for BJ8 clutch
From: I Erbs <eyera3@gmail.com>
Date: Wed, 19 May 2010 20:58:18 -0700
Thanks. I want to keep my lightened BT7 flywheel
Udo mentioned a possible issue with hitting the BT7 bell housing.  
Anyone else experience this?

I Erbs
Sent from my iPod

On May 19, 2010, at 8:45 PM, "Earl Kagna" <kags@shaw.ca> wrote:

> Alan:
>
> As far as I can tell from the literature that I have, the change to  
> the diaphragm clutch was made late in the BJ7 production and ran  
> right to the end of BJ8 production - with the corresponding change  
> to the flywheel drillings.  They did fiddle around with a couple of  
> sizes of disc - 9 1/2", 9" - today's replacements seem to measure up  
> at around 9 1/4".
>
> In any case, the problem for Ira remains the same: the flywheel will  
> have to be re-dowelled, and the flywheel  bolt holes will have to be  
> enlarged because of the configuration of the diaphragm (BJ8) clutch  
> - no big problem for any competent machine shop.
>
> It's a change that is well worth it in my opinion - I did it to my  
> tri-carb many years ago (although I used a BJ8 flywheel lightened by  
> Bill Bolton, rather than reconfiguring the original).  It's simply a  
> much better clutch.
>
> Cheers,  ---   Earl
> ----- Original Message -----
> From: Alan Seigrist
> To: Earl Kagna
> Cc: I Erbs ; Healey List
> Sent: Wednesday, May 19, 2010 7:41 PM
> Subject: Re: [Healeys] template for BJ8 clutch
>
> I actually am confused here because I think the early BJ8 and / or  
> BJ7 clutch uses 2 pegs with the same bolt pattern as the later BJ8.
>
> Alan
>
>
>
> On Thu, May 20, 2010 at 10:28 AM, Earl Kagna <kags@shaw.ca> wrote:
> Alan / Ira:
>
> Sorry to disagree - the BJ8 clutch uses a larger mounting bolt than  
> the
> earlier one, and 3 dowels instead of 2.  The fix is the same - take  
> the
> flywheel and the clutch cover to a good machine shop - they'll  
> figure it out
> for you.
>
> Done this a few times.
>
> Earl Kagna
> Victoria, B.C.
> BT7 tri-carb
> BJ8
>
> ----- Original Message -----
> From: "Alan Seigrist" <healey.nut@gmail.com>
> To: "I Erbs" <eyera3@gmail.com>; "healey help"  
> <healeys@autox.team.net>
> Sent: Wednesday, May 19, 2010 3:19 PM
> Subject: Re: [Healeys] template for BJ8 clutch
>
>
> The bolt holes will be the same, only the pegs are different.
>
> Just purchase the BJ8 clutch cover and take it to your Machine shop
> and let them balance and do the peg work.
>
> No need for a template....
>
> On 5/20/10, I Erbs <eyera3@gmail.com> wrote:
> > Hello all,
> > I checked the archives, but could not locate any info:
> >
> > I will be converting my BT7 heavy duty clutch to the softer BJ8  
> setup. I'm
> > looking for a template for relocating the pins/bolt holes on the BT7
> > flywheel. It is a lightened wheel, so I do not want to swap it out  
> for a
> > BJ
> > 8
> > Thanks.
> > If you have done this before, please reply with cautions and  
> encouragement
> > :)
> >
> >
> > --
> > I Erbs
> > Portland, OR
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