rjayb Posted September 5, 2014 Report Posted September 5, 2014 What's done to these 450s? That's what I'm wondering. I have a pretty built YFZ and it can't even touch my Redline stock cylinder. 1 Quote
theputz Posted September 6, 2014 Author Report Posted September 6, 2014 513cc, bored carb, oversized valves, heavy port work, race gas.... about everything that could be done.... Quote
rjayb Posted September 7, 2014 Report Posted September 7, 2014 A ported 421 serval should crush that 513 yfz. Quote
locogato11283 Posted September 7, 2014 Report Posted September 7, 2014 A ported 421 serval should crush that 513 yfz. Depends on traction. Quote
dave5.0 Posted September 7, 2014 Report Posted September 7, 2014 I'd hold off on the big ass carbs. Still pull almost 100hp with 35s. I dumped mine. Made a buncha room. 1 Quote
rjayb Posted September 25, 2014 Report Posted September 25, 2014 I'd hold off on the big ass carbs. Still pull almost 100hp with 35s. I dumped mine. Made a buncha room. I'm with this guy. We made those kind of numbers on 28's as well. Quote
rjayb Posted October 7, 2014 Report Posted October 7, 2014 Just posted the info on the 421 serval Cam built for me in the dyno forum. http://bansheehq.com/forums/index.php?showtopic=178758 1 Quote
theputz Posted October 9, 2014 Author Report Posted October 9, 2014 Saw that... Be given Cam a call real soon! 1 Quote
rjayb Posted October 9, 2014 Report Posted October 9, 2014 I would. I think he's really got the setup figured out. Quote
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