Anyone have a MC rebuilt by Karp's on the road ?

861 Views 2 Replies 2 Participants Last post by jjb, Nov 24, 2007

jjb

Discussion Starter · Nov 24, 2007

I'm looking for a way to rebuild the dual circuit MC on my '69. (New MC's are NLA. I've tried lots of sources, as I'm sure other have as well.)
I've been told that the rebuild procedure with brass sleeves has a high failure rate. As I recall, Osso was having his rebuilt at Karp's, who use stainless sleeves, but the car is not out or resto. yet. Anyone else use Karp's and can comment on the result ?

My '69's brakes have never been quite right, even after honing the MC and lots of bleeding. Mostly they are great and grip well, but sometimes the pedal goes hard and you don't have much stopping power.

Cheers,
Jeff

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papajam

· #2 · Nov 24, 2007

I rebuilt a Montreal clutch master cylinder sleeved in SS by Karp's earlier this year for a friend. The work quality was top notch. The clutch hydraulics have so far functioned as intended. It's my understanding though that Karp's does not rebuild cylinders, only sleeves them.

jjb said:
...but sometimes the pedal goes hard and you don't have much stopping power.

Sounds like this could be a booster issue or the M/C pushrod is adjusted a bit on the long side.

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jjb

Discussion Starter · #3 · Nov 24, 2007

Thanks for the info, Jim.
I bet you are right in that I should check out the boosters first. Vacuum leak maybe ? Higher rpm's do seem to lessen the problem. Hmmmm..

Cheers,
Jeff

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