This happened to me with a Jensen Healey. I just could not find a cause
untill I decided to to take the clutch apart again. I noticed that the
blades of the diaphragm spring in the clutch cover were thicker than in
the original, hence: /HD clutch or racing clutch/!. Replacing with a
standard item restored everything to normal.
Also when you enlarge the diameter of the clutch master cilinder the
force to press down the clutch pedal will be affected by being heavier.
Kees Oudesluijs
NL
warthodson@aol.com wrote:
> A friend has replaced his BJ7 clutch with a "new old stock" one he bought on
> ebay. Upon casual examination before installation it appeared to be identical
> to the old one, however now that it is installed it is extremely heavy. The
> hydraulic system is all new & properly installed & bled. There does not appear
> to be anything binding or other unusual symptoms.
> The only modification is a one size larger master cylinder to reduce the long
> original pedal travel. I know that will increase the pedal pressure required,
> but three of us have already made this change (although the 3 cars are all
> BJ8s with different type clutches) & the pedal pressure increase could be
> described as minimal to moderate.
> Can anyone verify if a Borg & Beck #45696/14 10" cover assemble is correct
> for a BJ7? Did they offer a heavy duty racing pressure plate by any chance?
> Any other thoughts on what could be causing a very heavy clutch pedal?
>
> We tried contacting Borg & Beck but got no help.
> Thanks,
> Gary Hodson
>
>
> -----Original Message-----
> From: Jamie Daggett <jdaggett@dagmarent.com>
> To: High Speed Hodson <Warthodson@aol.com>
> Sent: Fri, May 21, 2010 10:45 am
> Subject: Fw: FormToEmail Comments
>
>
>
> Bought & installed "NOS pressure plate for AH 3000 BJ7"
> Outer box reads 45696/14 10" Cover Assembly
>
> I put my old pressure plate in the "NOS" box and upon re-inspection find the
> Borg & Beck P/N to be 45616B.
>
> Upon receipt of the NOS P/N I compared the two units. All appeared to be
> correct; bolt holes, alaignment yellow springs and I thought the P/N's were
> the same but can only verify what the outer carton reads not the actual plate
> which is currently installed.
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