6 speed gearbox conversion

Just discovered that this conversion won't work with an alloy head engine, unless you use the iron engine flywheel and pressure plate.
The 8 1/2 " Lexus clutch doesn't fit under the pressure plate [xx(]

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"You,re only supposed to blow the bloody SLIDING doors off"
Founder of the 6 speed club
 
Just remembered, they use a smaller clutch so the locating pins are on a different PCD:I

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Member of the Non-Facebook Club
 
That's the problem. And the pressure plate is smaller diameter, so the plate won't fit under it :(

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"You,re only supposed to blow the bloody SLIDING doors off"
Founder of the 6 speed club
 
Luckily the flywheels are a straight swap, that's what I did with Harvey so I had the larger diameter clutch

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Member of the Non-Facebook Club
 
Oh no!
Can you work any magic?

Commer Dandy by Dandy Caravans now Riva Dandy
The Colonel Mustard six speed
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Member of the 6 speed club.
 
I guess you could always skim the face and re-drill the dowel and cover bolt positions:I
Still need a new clutch cover though

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Member of the Non-Facebook Club
 
Not a problem, as a spare flywheel and pressure plate have been pressed into service :)
Can't re-drill it as they have turned the diameter down too small.

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"You,re only supposed to blow the bloody SLIDING doors off"
Founder of the 6 speed club
 
quote:
Originally posted by commeracer

Another one done :p

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"You,re only supposed to blow the bloody SLIDING doors off"
Founder of the 6 speed club



Loving your work commeracer;)
 
2 more Lexus boxes getting victimised for the good of Commerkind :D

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"You,re only supposed to blow the bloody SLIDING doors off"
Founder of the 6 speed club
 
Excellent! Did you do the one for the car? Was it a Rapier or an Alpine.????

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I am not a person, I am a number, 395 actually......Be seeing you!
If I told you I was a pathological liar, would you believe me?
 
Yes, H120 and it was a great success :p

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"You,re only supposed to blow the bloody SLIDING doors off"
Founder of the 6 speed club
 
Excellent news.
I hope to be able to start getting my Vogue back on the road later this year. A 6 speed may feature at some point!

BazRockscropped.jpg

I am not a person, I am a number, 395 actually......Be seeing you!
If I told you I was a pathological liar, would you believe me?
 
Hi interested in your conversion thread Commeracer .
The standard Holbay Rapier H120 has an 8 1/2 " clutch . How is this different to the Commer 8 1/2 unit ?
 
It's the same:) Just watch out for the splines on the input shaft as some of the early boxes had coarser ones.


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Commerfest 2015 is happening. Contact me for details :)
 
No problem with the H120 clutch, but the standard Rapier/Alpine is smaller diameter :)

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"You,re only supposed to blow the bloody SLIDING doors off"
Founder of the 6 speed club
 
tim excellent work !! can you tell what the advantages are ....top speed better ....rev better ....acc. better ?
milage better ? I would like to know ....I'm still thinking about changing the engine all together with a matching transmission out of a newer Van or car ...but this might be the golden ticket ;)
 
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