Mdh; Usually I am an SU kinda guy, but the Strombergs should give a little more under bonnet clearance as things get a little tight under the Vitesse bonnet. I would rather have used the later 2500s saloon long runner manifold lwith twin HS6's but they wouldn't fit without chopping the bonnet up !
Not got Vizards' book. I'm working from a combination of Chris Witor, Kas Kastners' competion manual and general tuning techniques.
I'm hoping it goes very well !! lol I'm kinda aiming at the 150bhp mark, and with all the goodies, i reckon i should make it. (My secret weapon is an extremely lumpy cam)
Anyways, Tonight i have mostly been doing a dummy assembly run, so i can measure piston heights ready for machining the pistons to equalise them and to plane the block for compression height or 'Decking' as some people call it.
Block and crank reunited for the first time in 2 years;
When linking up the carbs you only really need one choke mechanism - provided that the manifold has a link pipe. It'll run a bit rough when cold, but then it will anyway with a very lumpy camshaft. Two is obviously better, though.
Is it wise to have the pistons entirely flush with the face of the block? I realise that it'll get lots of compression, but the rods tend to stretch a little at high speed, so the piston could contact the squish areas of the head - someone had an Imp engine with the pistons about 5 thou down the bores, and he cracked a piston when it touched the head at high revs. IIRC, He now recommends at least 7 thou below deck height.
I'll check to see what numbers he actually posted - that's just from memory.
EDIT - the piston that broke was between 5 and 6 thou down the bore. He's now running new pistons at 7 thou down with no trouble.