never Posted June 30, 2009 Report Posted June 30, 2009 The dizzy on my 2tg is locked. My carby guy said it would be better if it wasn't and explained all the pros of having one that allows advance through the rev range. So my question before I go out and get the dizzy repaired/replaced What are the advantages of it being locked? Quote
Old fella Posted June 30, 2009 Report Posted June 30, 2009 The dizzy on my 2tg is locked. My carby guy said it would be better if it wasn't and explained all the pros of having one that allows advance through the rev range. So my question before I go out and get the dizzy repaired/replaced What are the advantages of it being locked? For street use a locked distributor is not really a good idea. You need to have the distributor advancing the spark timing as engine operation requires it. Use of a locked dizzy is common in speedway/drags/competition, because it gives the engine the maximum advance from the moment your foot goes down. In racing situations it is common that an engine is just held flat out and making maximum horsepower as soon as possible. Bear in mind that although that sounds good, race engines are prone to failure a lot sooner than street engines. It is not uncommon that a locked dizzy will be delivering around 40 degrees of advance all the time and causing all sorts of extra stress on pistons and rods. It will also make your engine run hotter and so the chain goes on. If anything, and depending on your bank balance, get another dizzy(or repair the old one) and have it graphed by a reputable tuner. You will notice a significant difference straight away. Good luck. Quote
never Posted July 1, 2009 Author Report Posted July 1, 2009 Thanks for the reply. Will try get on it asap. Quote
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