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TR6 Tr6 Carb alway lean

Didn't Poolboy find some evidence of B1AF's that were thicker than they were supposed to be. Might be time to actually measure the needles and compare them to each other. Something to think about since you mentioned that the needles are all brand new B1AF's. An easy check would be to swap the middle needle for one of the others and see if the problem follows the needle.
 
I'm still here. Jeff from palltech sent me an email tha I had appararently checked everything and looks good. He asked me to give him a call to discuss the lean condition situatioonover the phone. He stated that he has had that problem wit some center carb in the past due to vacuum leaks caused by broken booster diaphragm. In my case the booster was rebuilt about a month ago due to a bad diaphragm. Ill give him a call today to talkit over. Let you know. By the way I drovethe car yesterday and it ran perfectly, not even hesitation in first gear. Ill check theplugs today see how the look.

The Dark side of the Triumphs
 
Do you have clamps on the hoses that go between each manifold? That is the last thing that I can think of for this type of problem? I did put clamps on mine.
 

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