The AMWs had/have huge variations in cylinder porting, I have 8 cylinders around and no 2 are what I'd call alike. With NO other changes on the engine I have seen main jet size change by 3-4 full steps just by swapping cylinders. The "old style" cylinders were hand deburred ( ported) at the factory and I think they were better than the newer style. I think if they were setup correctly and you stayed just a little bit conservative with the variables ( jetting, timing and "squish" ) they would have given ok service for a "race" engine but not on par with a Kaw or 494. It's tough to get the fuel curve correct for them with the supplied carbs. What's great for one driver won't necessarily work for another. In solo use my co-driver would create peak egts about 100-125 deg. higher then I did. With careful tweaking I've gotten rid of most of the difference. Dave Phaneuf ________________________________ FormulaCar Magazine - A Proud Supporter of Formula 500 The Official Publication of Junior Formula Car Racing Subscribe Today! www.formulacarmag.com or 519-624-2003 _________________________________
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