[WPTA] SU Carbs

Gary Fredo garyfredo at yahoo.com
Thu May 21 07:12:24 MDT 2020


 Thank goodness I have Stromburgs  on my car..............


    On Thursday, May 21, 2020, 09:05:51 AM EDT, Jerry Van Vlack via Wpta <wpta at autox.team.net> wrote:  
 
 
I saw this on Facebook. It was written about SU’s on MG’s. SU’s on Triumphs never suffer from any of this which is why Triumphs are superior to MG’s.

 

Let the flames  begin.

 

SU CARBURETORS! These are SU carburetors, which were used on many British sports cars, such as this MG. Here are some guidelines on maintaining SUs!

* If your carburetors don’t leak, you are out of gas. (This rule is similar to the “MG test for oil”).
* The only time your carburetors run properly is when a mechanic is taking a test drive.
* SU carburetors parts are interchangeable. You can replace a faulty part with a new one and the carburetor will run just like it always did.
* When replacing needles, the only parts store with the correct ones will be in Coventry or on a ship floundering in an Atlantic storm.
* When you get the correct carburetor needles, one of them will be bent.
* The universal SU repair Kit will work on all carburetors except yours.
* A float will only have a hole in it if it is Sunday and the parts store is closed.
* No two repair books will recommend the same fluid for the dampers.
* Whitworth nuts and bolts are similar to SAE nuts and bolts except that the shoulders are rounded off.
* Tightening the jet nut will automatically move the jet off center.
* All levers and jets will move smoothly if (and only if) the carburetor is sitting on the kitchen table.
* MG carburetors are infinitely adjustable. That is they can be set anywhere from “not quite right” to “totally wrong”.
* Despite the above, a weekend working on the MG carburetors is preferable to fixing the oil leak.
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