“Anyone who runs twin SU HiF carbs and finds them tough to tune should have a read of this from Barrie Jones. It’s the clearest advice I can find” quote from the MGB Register forum
A very detailed and informative article that clears up some of the mysteries of HIF carbs including many of the HS carbs.
Read the full article at the Practical Classics Facebook page at …..
https://m.facebook.com/story.php?story_fbid=772455786106044&id=225407620810866
MGB tips mods and maintenance 