Thanks a lot for the help guys...sorry i didnt replie earlier...been out on holiday...as soon as i get my diff back on, im gonna try the carb...my diff was making a really strange noise, opened it up and it was the pinion spacer between the pinion bearings that was messed up and...hmmm..i'll write an article about it...anyway already ordered the jets from www.burtonpower.com...should get them one of thease days...i let you guys know how it comes along...thanks a lot for the help...peace from Portugal...