055 MG Tech | Centering the Jet on an SU Carburetor

[@EraSyntax]

John your video tutorials are fantastic, thanks so much for taking the time to share your knowledge with us.

[@421CentralIowa]

"If ya don't get the jet centered, the car runs crappy." That's an understatement ;) I had to use a jet centering tool to get the rear HS2 carb centered. No amount of slow adjusting using the needle was working for me. The little tool saved my sanity.

[@TheAdamwest29]

I concur. I think reason tool is preferred over using needle is because I find when tightening the jet shoulder nut, the needle is not sturdy enough to stop the lower part of jet+shoulder from being coersced ever so slightly out of center by the action of tightening. I will buy this tool.

[@TheAdamwest29]

Love the video. And the commentary

[@richardockenden8669]

Great video really helpful, I`ve just got a friends carb ( H1) finished now with your help, hopefully it`ll be running again real soon. Thankyou.

[@matthewchristmas821]

grate video helped me out a lot with an mga with problem carbs,THANKS MASTER

[@tomwinters4367]

Very clearly explained. Thank you very much indeed !

[@ob1cnoby]

Your a star, many thanks, as I am just about to strip my MGB carbs down, , pity i cant get to you, as I live in Uk, not USA,

[@ianwilliams1448]

John.. I've been doing this with the dashpot removed and lifting the piston from the top of the carb then putting the pot back on. Is that the wrong approach? (The carbs are still in place. The rear carb would rev but the front is hesitant. Hence why I thought the piston was dragging. I ran the engine with the throttle linkage removed and carbs working independently to discover this..

[@Christopher28fair]

How come I did eery step exactly the way you said to - including soaking the little cork washers in oil - but my jets are hanging up and sure as hell don't pull out smoothly the way yours are.

[@scheese]

Excellent John! Thanks for the info. Cheers

[@JONSEREDdotWS]

On the H2 1970 they have spring loaded needles. the question is there jet packing cork or rubber parts As i have bought new jet bearings for some carbs that I bought used. Did not find any packing in the old jet bearings thanks

[@DavidPlass]

It looks like the critical adjustment occurs at around 4:11, but *what are you doing*? Is it a lateral adjustment screw that moves the jet?

[@salco3435]

great learning tool.

[@ianwilliams4787]

John..is this what is also happening when the lift pins are operated ? ( I certainly can't hear the pistons "clunk" when pushing the lift pins) perhaps it's a different thing altogether 😊

[@ShermanT.Potter]

Cork soaking, just like the SNL skit! :) I'm surprised no one has commented this.

[@ernestoduenas1502]

Thanks Master

[@jessieperalta192]

Hi my Carburetor nozzle is stuck in my 240z please show me how to unstuck it. Thanks

[@tanglewood777]

wot causes the piston to stick in the down position when I put dash pot on when I screw it down

[@bellinivernon]

Muy lindo ! ; gracias ,desde argentina !

[@billsey49]

You will never get the jet and needle truly concentric that way. Buy or make a jet centering tool and get it right.

[@TheAdamwest29]

Agreed. Read my earlier reply for my rational as to why the tool is best over this method.

[@rustybux]

Please slow down... you are in a hurry. I can't keep up.