A bit more progress today in preparation so the manifold can be completed. I couldn’t quite run the pipes at the same angle as the holes in the head due to using the stock manifold. I’ve opted for a shallower angle that will result in a relatively smooth transition between the pipes, manifold and head. I could always completely custom make a manifold at some point in the future.
The other big step was to get the throttle bodies properly spaced. I cut 10 spacers on the lathe exactly 11mm wide. There still a lot to including the minor issue of welding the pipes on – not sure how this will work but I suspect it will involve doing a lot of grinding to clean it up!
Ali tubes cut
Quick test fit
"just" needs to be welded!
And from the other side (yeah the throttles are the wrong way round ;o) )
Spacers cut on the lathe to space each throttle 11mm wider than they are on the GSXR