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I already have flame arrestor rejet kit from Perry performance, blocked oil injection mixing 50:1 carbs set 0, 1/4. Looking to get the modded head will this rase my rpms to where I would need another impeller turning 6790 now with new wear ring.
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Re: Modding a 97 gtx 787
When you bump up compression the ski will hit harder on bottom end, if you see you are slipping the impeller on take off then re- pitch but in most cases you should be fine.SBT Tech Support is here to help with your problems.
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Re: Modding a 97 gtx 787
OK thanksComment
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