Twin HS4 / air box

[swifty]

Using no3 needle and red springs … . The black part is dry sooty and not wet …

[spoon.450]

Very interesting and informative thread. I’m happy to do the necessary machining at cost for forum members if required. Pm or call me 07810716012 cheers Dave

[rnp68]

Using no3 needle and red springs … . The black part is dry sooty and not wet …

Sorry, should have asked, what is the spec of the engine. CC, head type, Compression Ratio etc

[swifty]

1330 cc. Minispares MSE3 head . 10:1 comp . Swiftune pistons , SW10 cam , 3.2 diff . LDX 1.5 rockers . 11/2 x2 HS4 , Ultra light MED flywheel set up . Magnatronic ignition module in S dizzy . Set at 10 degrees strobe timing . Cam timing 107deg . BP6ES plugs ….