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Post by karlvb on Mar 8, 2019 11:49:54 GMT
Hi Has anyone done a 911 conversion and fitted yzf 750 cams How did this work out did it give the engine more top end at the expense of mid range thank u Karl NZ
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Post by karlvb on May 6, 2019 12:38:33 GMT
Cheers Leno r the yzf valves bigger than fz sounds like it will b a rocket didn't know u could use yzf head all the best
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Post by fzjamie on Jul 24, 2019 11:47:59 GMT
Hi What mods did you need to make to get the head to fit - YZF is a different (wider) bore size isn't it?
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Post by fzjamie on Jul 24, 2019 22:19:37 GMT
Sorry I'm no engine builder (only once - a 1776 VW aircooled) I'm wondereing how you get to 911. from my calcs a YZF 750 top end (72mm bo) on a Std FZ crank (51.6 mm stroke) gives 840-ish so I guess I'm missing something..
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Post by karlvb on Jul 30, 2019 10:58:31 GMT
Fz Jamie I think he must be using fzr1000 pistons and Barrels which takes the fz750 engine out to about 911 but in this case he's usingi a yzf 750 head and cams I didn't know u could use the yzf750 head either but had heard u can use there cam with mod in the fz750 head Iv got 4 fz750 heads so will b using the best one from what I've heard his power increase is about right for a fz 750 head and cam with the 911 kit
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Post by fzjamie on Aug 8, 2019 19:20:16 GMT
Thanks guys - more curious than anything. If my VW engine experience taught me anything then veering 'off piste' can get complicated quickly for the amateur!
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Post by fzjamie on Oct 24, 2019 17:45:18 GMT
Wow - impressive figures, I hope you can stop it now too!
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Post by karlvb on Nov 10, 2019 12:54:30 GMT
Leiino what carbs r u using r u using the stock air box sounds like a killer engine i might try that my self was it hard to find the fzr 1000 pistons and Barrels cheers Karl vB
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Post by karlvb on Nov 11, 2019 4:31:12 GMT
Cool sounds like u got a good result that's a huge power increase have u seen what Paul Davies has put together with his fz 961 he's on fz 750 U.K. or 911 builders group he put together a build DOC on the 961 engine he used 77 mm r one pistons and early r one rods not sure bout the cams I'll b interested to here how your next build goes how much do u want for the fzr1000 Barrels and pistons is u r selling them best of luck Karl
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Post by Graham on Nov 16, 2019 12:56:22 GMT
Has this lenno bloke deleted all his posts or something? Maybe he doesn't want to share his findings with us?
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Post by karlvb on Nov 17, 2019 7:55:30 GMT
Graham that's weird where have hiis posts gone they were good some gd info in a 911 build with a yzf head and cams that's a shame
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Post by Graham on Nov 17, 2019 12:21:13 GMT
Don't understand why he was willing to share his findings with us then for some reason has decided not to.. ?
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Post by fzjamie on Nov 20, 2019 17:10:20 GMT
??
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Post by Graham on Nov 21, 2019 17:59:59 GMT
I know. Not only has he deleted all of his posts he's removed himself from the forum completely!?
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Post by karlvb on Nov 22, 2019 9:59:29 GMT
Maybe he's left the country although in this day and age that shouldn't matter I asked him if he wanted to sell the 911 pistons and Barrels but surely that wouldn't have pissed him off anyway where ever you've got to Leino all the best 😎
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