What is the difference between the full monty and slip on? not power gains but what they are? ....I know the full monty is the Ivan jetting kit but he slip on kit is??
Both use jet kits with needles developed by Ivan. The kit used in the Full Monty uses larger main jets and needles profiled to flow more fuel.
As Nickodemon said, there's a difference is in the extent of mods done during installation. As a result, the Full Monty breathes better, develops more peak power and revs out faster and stronger. However, upgrading from a Slip-On kit installation to a Full Monty takes almost as much time as doing a Full Monty from scratch and requires a new jet kit. IMHO, unless you spend a lot of time in the upper reaches of the rev counter, you probably won't notice enough difference to warrant the outlay.
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If you want more specifics, contact me direct (mikegreatorexAThotmail.com).
I'm looking at bringing my toolkit over to the UK some time in May this year. I start a separate thread on that soon.
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Mike