Havoc Posted October 17, 2017 Posted October 17, 2017 Afternoon all. Would the 10:1 CR on the standard GSX1127G be too high for relatively low boost applications? Going the 1216 Busa slug route eventually, just in the meantime........ The system was about 189bhp on Paul's old Bandit ET Ta Quote
Arttu Posted October 17, 2017 Posted October 17, 2017 Probably ok if you have AFR and ignition timing right. I have run stock GSX1100E engine, 9.5 CR, up to 0.7 bar boost. No problems, produced something like 160-180hp. Quote
Havoc Posted October 17, 2017 Author Posted October 17, 2017 Looks like I may be able to source a reasonable 1216 barrel and Busa slugs, probably better..... Quote
Paulm Posted October 17, 2017 Posted October 17, 2017 Don't forget I ran it as a standard bandit motor for a few months Tom,not sure how the comp ratios compare? Quote
Fula28 Posted October 21, 2017 Posted October 21, 2017 (edited) I ran stk bandit 12,top end 10:1 ,on my hybrid for 1000,s miles @ 7psi never an issue! 210bhp.1052 pistons do fail on the lands but I'd say that's due to fatigue /age normally. Busa slugs cheap fix for 1216. Edited October 21, 2017 by Fula28 Quote
MeanBean49 Posted October 22, 2017 Posted October 22, 2017 Depends if you can resist turning the boost up. I couldnt. 1 Quote
Reinhoud Posted November 10, 2017 Posted November 10, 2017 (edited) You can retard the ignition with a higher compression, but you loose lots of power, they're really sensitive on ignition timing, I estimate you loose 10 to 20 hp just like that by retard the ignition too much. Had it with a car and my bike. Edited November 10, 2017 by Reinhoud Quote
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