The Holley 600 cfm on my TIGER II is at least 12 years old and recently was weeping gasoline from a front gaskets onto the manifold close to the distributor…somewhat unnerving.I took it off tightened everything but no success.I looked over my Holley books but suggested causes were more than one- float levels,power valves,worn needles etc. so I picked up a new #4160 Holley 600 cfm with electric choke for $269.00 plus tax.The enclosed instructions said it was factory adjusted,no need to adjust the idle mixture screws so on it went and being that it replaced the same model that was a breeze.I did have to adjust the idle speed screw[but not the mixture screw] to prevent stall out at idle..So far starts and runs well but I didnt open it up…twas cold out on Long Island this weekend and I limited my top down runs to 50-60 mph.I thought this being 2006 the price for a complex item such as this #4160 was reasonable especially if I can get 12 plus years out of it.I’m not all that sure which is the best connection for the positive wire on the electric choke but I’ll figure it out. frank mooney
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