15-01-2021, 06:05 PM
Derek,
I seem to remember boring mine out by 1/16in. Note that it’s not a case of over boring on the current bore centre line but offsetting the pump body in the lathe by a further 1/16in to increase the pumps volume.
There are more details in most of the old A7 tuning books etc.
Hope this helps.
I seem to remember boring mine out by 1/16in. Note that it’s not a case of over boring on the current bore centre line but offsetting the pump body in the lathe by a further 1/16in to increase the pumps volume.
There are more details in most of the old A7 tuning books etc.
Hope this helps.