New or old bellhousing
Discussion
you can tell them apart by looking at the face which mates to the gearbox. The new style ones have one flush flat face containing all of the bolt holes, whereas the old ones have a flat face and bolt holes that are not directly connected to the rear face. Bit tricky to explain really, but post a pic and I can tell you which one you have.
Well modding the old ones seems to be a case of grinding down the bolt heads that hold the clutch plates together to give a few thou clearance on them hitting the casting. 
Or at least I think thats right depending on whether I have a new or old bell housing in front of me. Got nothing to take pictures with at the mo.
Need a method of telling which one I have before I say anything definitive.
Or at least I think thats right depending on whether I have a new or old bell housing in front of me. Got nothing to take pictures with at the mo.
Need a method of telling which one I have before I say anything definitive.
Okay, let's try this another way.
Here's my spare bellhousing, is it an early or late one, and what are the difference? Feel free to download the pic and mark on it and repost.
http://tvrcerbera.co.uk/Gallery/thumbnails.php?alb...
Tim
Here's my spare bellhousing, is it an early or late one, and what are the difference? Feel free to download the pic and mark on it and repost.
http://tvrcerbera.co.uk/Gallery/thumbnails.php?alb...
Tim
All photos used in this post © 2008 Tim Scrivens
Edited by TT Tim on Tuesday 22 April 10:37
Thanks tim. Luckily got a camera today
Obviously are differences and my casting looks thicker but if you look at the arrangement of holes to bolt onto the engine and where they are placed in the casting I'm still not sure who has more room for the later clutch and therefore who's is the late and early model.
Obviously are differences and my casting looks thicker but if you look at the arrangement of holes to bolt onto the engine and where they are placed in the casting I'm still not sure who has more room for the later clutch and therefore who's is the late and early model.
Erumm, lets say, it'll never break but it'll never win a beauty contest. 
.
Honestly though it depends what material, what thickness, and how easy it is to get to.
I have the facility of MIG/TIG/or GAS, never worked out which I like the most so kept them all. You can bring some test bits along and have a go yourself or I'll do it and when you're happy with the test bits we can do it for real.
.Honestly though it depends what material, what thickness, and how easy it is to get to.
I have the facility of MIG/TIG/or GAS, never worked out which I like the most so kept them all. You can bring some test bits along and have a go yourself or I'll do it and when you're happy with the test bits we can do it for real.
TT Tim said:
Okay, if I put those on my website Julian, that way, once we've worked out what's early and what's late we have a visual reference.
BTW what are your welding skills like?
Been thinking about this cross brace for the Cerb'
Tim
As for the bellhousing you are welcome, but I have to warn you there are rumours of a mysterious third bellhousing.BTW what are your welding skills like?
Been thinking about this cross brace for the Cerb'
Tim
By looking I would say you serial number is later than mine.
Thanks Andy. I was hoping we'd get an expert on this.
Correct me if I'm wrong.
I've got a late bellhousing.
If that is so.
Why does a raceproved, or indeed a standard normal clutch still need the bolts on the outer rim ground down to give it enough clearance to turn freely in mine.
I have the later flywheel with the indentation in, or at least did have before mike nicked it for his racecar. I had a late model clutch, and a standard looking slave cylinder, but small score marks running round the casting where the bolts had been touching.
Correct me if I'm wrong.
I've got a late bellhousing.
If that is so.
Why does a raceproved, or indeed a standard normal clutch still need the bolts on the outer rim ground down to give it enough clearance to turn freely in mine.
I have the later flywheel with the indentation in, or at least did have before mike nicked it for his racecar
. I had a late model clutch, and a standard looking slave cylinder, but small score marks running round the casting where the bolts had been touching.Hi chaps
Be warned that there are 2 different slave cylinders aswell.
I posted a thread on this very subject in 2006 but all the pictures seem to have bad links (uncle Dave?).
When I get back to the UK I will try to repost but that won't be for a couple of weeks.
IIRC the older slave cylinder is longer because the old style clutch assembly was thinner than the new style. There's not much in it though but probably enough to give you a headache!
Cheers
Ed
Be warned that there are 2 different slave cylinders aswell.
I posted a thread on this very subject in 2006 but all the pictures seem to have bad links (uncle Dave?).
When I get back to the UK I will try to repost but that won't be for a couple of weeks.
IIRC the older slave cylinder is longer because the old style clutch assembly was thinner than the new style. There's not much in it though but probably enough to give you a headache!
Cheers
Ed
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