twin carbs

Post by **IAIN** » Sat Apr 18, 2020 5:30 pm

Would a cooper S have the vacume 'take off ' on the Right Hand carb blocked or was the 'take off' tube not there ?

Post by **Spider** » Sat Apr 18, 2020 8:13 pm

The S had no take off tubes at all.

Post by **251 ENG** » Sat Apr 18, 2020 8:14 pm

Many sets of original cooper s carbs have the tube on the carb body but it is blocked off

Post by **Andrew1967** » Sat Apr 18, 2020 8:24 pm

I have a couple sets of 1071 and 1275 carbs with blanked off take off spouts.

I thought it odd to start with but a post on here a few years ago put my mind at rest.

Post by **IAIN** » Sat Apr 18, 2020 9:11 pm

The one I have, the tube is soldered up I think. I wasn't sure if that was correct. Thanks .

abri · Post by **abri** » Mon Apr 20, 2020 8:12 am

I've seen unrestored cars with vac ports as above, blocked off.

btetley · Post by **btetley** » Mon Apr 20, 2020 9:16 am

my original cooper air cleaner housing (double air cleaner has a tube take off - what is that for?

bwaminispeed · Post by **bwaminispeed** » Mon Apr 20, 2020 2:19 pm

That connects to a similar tube on the rocker cover.......

Post by **AndyPen** » Mon Apr 20, 2020 10:53 pm

bwaminispeed wrote: ↑Mon Apr 20, 2020 2:19 pm That connects to a similar tube on the rocker cover.......

Yes on early cars without a PVC valve, as when they were fitted it was just left connected to nothing

Change point around Sept 64 with the hydro wasn't it?

bwaminispeed · Post by **bwaminispeed** » Mon Apr 20, 2020 11:09 pm

That's what I thought, early cars only.......

I have an August 25 64 1275 S, and, this is one of the things I need to find out......

That change to Hydro only says September 64, lot of days in September 30 to be exact........

My car has a wet shell, one of the first, maybe THE first, I don't know........But, it was definitely built as a dry car.....

It didn't come with it's original engine, and, these are all the little details I need to sort out......

NicholasUpton · Post by **NicholasUpton** » Tue Apr 21, 2020 3:24 am

Hydro shells were being build before the auctuater switchover. Worked on a 64 shell that had a factory hydro floor and boot floor, but dry bulkhead.

bwaminispeed · Post by **bwaminispeed** » Tue Apr 21, 2020 4:49 am

Mine has a wet bulkhead, it is a complete wet shell, but, assembled as a dry car....

rogerotto66s · Post by **rogerotto66s** » Fri Apr 24, 2020 5:22 pm

I have a 1966 S wet car with a July build date.
I purchased the car from the original owner.
The Heritage Certificate indicates “Personal Export”.

Below are pictures of my air cleaner and twin carbs.

The air cleaner tube has a screw clamp near the bottom.
What is attached to this tube?

( Added after initial post )
I now understand -
- the clamp is actually holding an extension pipe in place.
- the pipe was intended to pull warm air off the exhaust manifold.

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