thanks for the repleys,when you hit the brakes you can tell it's lean,if you tune it real rich and do a standing start you can go from rich bog then hit the brakes as soon as it starts to clear out it will hang lean for about 5 seconds then start to droop down. had some help from one of the top guys same results as me try to go any where close to a race tune and it gets worse
checked every thing over today carn't find anything. could bad fuel cause this?