T The pushing on the throttle shaft is the big indicator...
Yes thats it isn't it .! (lightbulb goes on somewhere in the dark recesses of Peanut's feeble mind)
i'd been thinking all along that the throttle shaft and butterfly disks havn't been returning fully ..........whereas pressing on the throttle shaft lever is actually forcing the disks beyond the idle setting to compensate for excess air being drawn in somewhere else .....
Thank you Twomany ..sometimes its easy to miss the wood when you're looking at the trees