nitroburner13 Posted July 19, 2006 Report Posted July 19, 2006 hey guys i just rebuilt my engine. got a mild port,wiseco prolites,stock stroke,18cc domes,vf2's,keihn 36mm alky carbs,trinity stage 4 intakes,dyna fs ignition, drag pipes. well to my question. i want to know where i should start with the tuning. i just put powerjets on the carbs. i think phx is around 1600 feet above sea level. can anyone help me out? Quote
racer Posted July 20, 2006 Report Posted July 20, 2006 before you start this, make sure you have enough money for a spare topend. thank me later. Quote
2bzy2p Posted July 20, 2006 Report Posted July 20, 2006 turn the powerjets all the way fat and start there, are they kehins or mikunis? td put the timing about 4 Quote
nitroburner13 Posted July 20, 2006 Author Report Posted July 20, 2006 they are keihn. and is this really gonna f up my top end? Quote
jankab Posted July 20, 2006 Report Posted July 20, 2006 hey guys i just rebuilt my engine. got a mild port,wiseco prolites,stock stroke,18cc domes,vf2's,keihn 36mm alky carbs,trinity stage 4 intakes,dyna fs ignition, drag pipes. well to my question. i want to know where i should start with the tuning. i just put powerjets on the carbs. i think phx is around 1600 feet above sea level. can anyone help me out? Well if you're running meth the dump tubes and mains should be drilled out to .120 and around a 50-55 pilot Quote
9603banshee Posted July 20, 2006 Report Posted July 20, 2006 (edited) hey guys i just rebuilt my engine. got a mild port,wiseco prolites,stock stroke,18cc domes,vf2's,keihn 36mm alky carbs,trinity stage 4 intakes,dyna fs ignition, drag pipes. well to my question. i want to know where i should start with the tuning. i just put powerjets on the carbs. i think phx is around 1600 feet above sea level. can anyone help me out? you would be better off selling the carbs you have currently and buying a set of alky carbs already set up for methanol (or have yours converted by a builder), for one if you don't install the powerjets (boosters) currectly you will seize you motor from being lean, for two the builder you buy em from or have your's done for around $100-$150 will provide the correct dump tubes and jets for your elevation when you make your order with them......otherwise you can't go wrong with alky carbs because your increase in power is gonna be from 10%-15% and your motor is gonna run cooler, just make sure and gap your plugs at .018" w/ a b9egv plug (NGK) and don't forget to purge when done riding for the wkend....good luck and you'll be very pleased....hope this helps....PS, good builders to do this would be K&T performance, A&S, Dave Moore Racing, jeff at FAST RACING, Black label Racing (SSR), Redline, LCperformance, D&M Racing, etc.... Edited July 20, 2006 by 9603banshee Quote
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