japtoy
Oviraptor
Posts: 15 
Bikes: suzuki katana 1100 yosh replica .suzuki gsx 1100ex . suzuki katana stock.suzuki gsxr1000 k 6 yosh
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Post by japtoy on Apr 12, 2015 16:50:04 GMT
for build a good street head gs 1135 efe or gs 1100 is better ? OR IT S A SAME CYLINDER HEAD ?(big valves exhaust project)thanks eric
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Post by katana on Apr 12, 2015 17:58:07 GMT
Completely different casings - easiest tell tale is the cam cover - the GS1100 has a 16 bolt cover whereas the EFE / GS1150 is 10 and looks boxy in comparison. The covers are not interchangable but the heads are and tuning wise they will both perform equally well - just 1 warning the 16 bolt cover gasket is stupidly expensive compared to the re-usable rubber EFE gasket!
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Post by arnout on Apr 13, 2015 16:42:22 GMT
..Larger intake valves, larger intake ports.. Higher lift cams.. No mechanical tach drive..
Cylinder stud swap needed for install on earlier engines though..
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