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  #11  Post / In Thread 
Old 2nd January 2019, 01:38 PM
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martin hunt martin hunt is offline
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Originally Posted by martin hunt View Post
Does anyone know if the exhaust system fitted to the Morris minor is 1&1/4" or32 mm bore ?
Think I could get enough usable parts from this system if right diameter
Seen complete systems on interweb for around£80
But can't get any info as to tube dimensions
Cheers Martin
Just had email back from suppliers of the Morris minor exhaust system and their pipe is 35 mm bore
I've room in the manifold mounting flange to machine a suitable hole for this to fit into
There is enough pipe work to be able to make up,a functioningsystem ,with a little bit of modifying
Will the slightly larger pipe work cause any problems?
Looking at the manifold flange more closely it appears that the 32 mm pipe now in situ has been flared out before being welded in place
So perhaps 35 mm was the original size fitted ?
Cheers Martin
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  #12  Post / In Thread 
Old 2nd January 2019, 09:13 PM
David Powell David Powell is offline
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Default When I ran the Daimlers.

I seem to recall that I simply used what I could afford which was approximately the same size as whatever was on them, I never had any problems from doing that.
Incidentally, if you have an SU carburetor and it does not have the damper for the piston you can bore the piston ,make a damper to fit and get a bit more acceleration..
If the MPG does not matter to you you can also polish the needle which fits into the jet to get a few more horses, even a couple of thous off makes a difference,
I hope these vague hints and recollections help.
Regards David Powell.
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  #13  Post / In Thread 
Old 2nd January 2019, 09:23 PM
weidner weidner is offline
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Full Name: Bob Allison
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Quote:
Originally Posted by martin hunt View Post
Just had email back from suppliers of the Morris minor exhaust system and their pipe is 35 mm bore
I've room in the manifold mounting flange to machine a suitable hole for this to fit into
There is enough pipe work to be able to make up,a functioningsystem ,with a little bit of modifying
Will the slightly larger pipe work cause any problems?
Looking at the manifold flange more closely it appears that the 32 mm pipe now in situ has been flared out before being welded in place
So perhaps 35 mm was the original size fitted ?
Cheers Martin
The standard Morris 1000 exhaust system used to have a nice crisp fart on the overrun .

You have been warned !
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Old 2nd January 2019, 09:28 PM
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https://www.theaustinsevenworkshop.c...?query=exhaust
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  #15  Post / In Thread 
Old 3rd January 2019, 02:20 AM
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martin hunt martin hunt is offline
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Thanks for very useful link
The long wheel base unit looks like what I'm after
Have sent them a message
See what they come up with regards dimension etc
Many thanks
Cheers Martin
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  #16  Post / In Thread 
Old 3rd January 2019, 09:43 AM
weidner weidner is offline
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Austin Ten Drivers club do something similar , 1.1/4 and 1.1/8 I think for a 15 hp .
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  #17  Post / In Thread 
Old 3rd January 2019, 10:22 AM
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One of the best suppliers I've had the pleasure of dealing with. Always happy to help and very knowledgeable.
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  #18  Post / In Thread 
Old 3rd January 2019, 05:44 PM
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One of the best suppliers I've had the pleasure of dealing with. Always happy to help and very knowledgeable.
Jamie is great as was Dave it its previous incarnation, especially if old man Dunford was there when you rang up. If they didnt know, you had no chance.
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  #19  Post / In Thread 
Old 4th January 2019, 11:11 AM
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martin hunt martin hunt is offline
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Originally Posted by 8_10 Brass Cleaner View Post
Jamie is great as was Dave it its previous incarnation, especially if old man Dunford was there when you rang up. If they didnt know, you had no chance.
Is he back ?
Been trying for two days to make contact ,by email and phone
No response to either ?
Cheers Martin
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  #20  Post / In Thread 
Old 5th January 2019, 03:51 PM
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martin hunt martin hunt is offline
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Default Result

Following a tip off from a neighbour I've solved the exhaust problem for the wasp
A local branch of a national company allowed me access to their obsolete / unidentifiable stock rack

The result was a brand new 35 mm " Bosal" silencer box and front pipe combined
And a brand new length of stainless 35 mm tube
Another search through junk pile revealed a perfect preformed 90 degree bend in a length of pipe
The result is a D I Y exhaust system which just needs putting together

The best bit ?
Total price including two brand new exhaust clamps ?
£20
Have already roughed out the system and now have to fine tune and assemble on the car

Many thanks to everyone for their help and assistance
Cheers my
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