Originally Posted by
ben1970
Do the new gen5.5 carbs with the long LSD needle tune any different to the earlier gen?I shortened the needle on my 7port,runs great,but always felt like I was cheating

I want to tune this 5 port the way the factory built it

The Gen 5.5 carbs have the short lsn, they may have changed the length a little but it is still a short needle.
Rex