Clutch options

Clutch options

Author
Discussion

jmct

Original Poster:

61 posts

128 months

Saturday 11th September 2021
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Clutch is playing up in that 1st is difficult to engage, 2nd is notchy and sometimes 3rd and reverse sometimes crunches. Kind of annoyed since:
AP clutch fitted 13k miles ago.
New slave cylinder and release bearing 8k miles ago
Star clips replaced 3k miles ago.

What’s the general consensus on the best clutch to fit that will give better life expectancy?

porterpainter

806 posts

49 months

Saturday 11th September 2021
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Apologies if you already know/do this but I always go into 5th gear first and then into reverse to avoid the crunching.

jmct

Original Poster:

61 posts

128 months

Saturday 11th September 2021
quotequote all
Yes, I do the same but still crunching.

Sagi Badger

613 posts

205 months

Saturday 11th September 2021
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Best bet is to remove star washers and unscrew the posts, grind off the butterfly springs and let the clutch work like any other twin plate. The inter plate is quite heavy but it will float/not drag without the crazy self adjusting spring and clip idea. I did put up a post on this about three years ago, take a look. Have done this, not a sofa mechanic, I actually do stuff and drive it.

To do this is all garage mechanics stuff, gearbox out and attack the clutch with a grinder and pliers. To keep fitting APs and taking out a few miles later to put a complete new item in makes no sense to me, it will have the same failure. The Helix items get a mixed response but I have no experience.

If you want to go to the next level you can mill a shed load off the inter plate between the lugs back to the driven face. My next mod will be to reduce the inter plate thickness and the cover posts by the same amount to reduce the inertia, will need a carrier for the bearing but made these easy enough before when I used the Superclutch items.

J

jmct

Original Poster:

61 posts

128 months

Monday 13th September 2021
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Bit too complex for me……..

spitfire4v8

4,017 posts

193 months

Monday 13th September 2021
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Sagi Badger said:
Best bet is to remove star washers and unscrew the posts, grind off the butterfly springs and let the clutch work like any other twin plate. The inter plate is quite heavy but it will float/not drag without the crazy self adjusting spring and clip idea. I did put up a post on this about three years ago, take a look. Have done this, not a sofa mechanic, I actually do stuff and drive it.

To do this is all garage mechanics stuff, gearbox out and attack the clutch with a grinder and pliers. To keep fitting APs and taking out a few miles later to put a complete new item in makes no sense to me, it will have the same failure. The Helix items get a mixed response but I have no experience.

If you want to go to the next level you can mill a shed load off the inter plate between the lugs back to the driven face. My next mod will be to reduce the inter plate thickness and the cover posts by the same amount to reduce the inertia, will need a carrier for the bearing but made these easy enough before when I used the Superclutch items.

J
This certainly works, but on the one car I did it on (the days of no clutches, so went the relined clutch route) the inter plate rattled its bits off with clutch depressed .. the starlocks do more than just restrain the limit of operation of the inter plate, they keep it quiet too.

On the sp6 I don't know why anyone hasn't made a large friction area flywheel and use a single plate (the flywheel is significantly larger diameter than the ajp8 version) . The sp6 isnt exactly a torque monster until you get to the large capacity engines, a decent single plate clutch would surely do the job for 90 percent of sp6 owners out there .. ?

Sagi Badger

613 posts

205 months

Monday 20th September 2021
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Yes, agree slightly noisy but I suffer that Vs taking a gearbox out so frequently. Unsure why no one has made a big single set up, did ponder that myself.... wandering into the shed of many inventions later so will have a measure up although the inertia likely will increase and I am allergic to that.

J