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Post by dragan on Apr 25, 2015 6:16:09 GMT
Hi mates.Question I can get early hayabusa EFI system injection and the wire loom with everything on and fuel pump really cheap.You think its worth converging the carb sistem to EFI and possible with hayabusa EFI??
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Post by katana on Apr 25, 2015 8:13:58 GMT
OEM EFI doesn't easily transfer between different bikes - end of!. Busa TB's are 46mm bore and trying to choke those down to a Bandit inlet is gonna hurt flow + the crank trigger is on the genny rotor and moderately difficult to replicate. Forget trying to do on the cheap as a complete installation - you'd be better finding some GSXR600 TB's, an aftermarket ECU and assorted sensors and wire it up - might not be as cheap, but it'll work!
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Post by dragan on Apr 25, 2015 8:36:08 GMT
Thanks mate for explaining to much trouble
I will stay with my carbs.
Thanks Katana
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Post by jonny1bump on Apr 25, 2015 9:53:16 GMT
Also head design with port shape just no lend itself for fuel injection.
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Post by katana on Apr 25, 2015 10:23:39 GMT
Also head design with port shape just no lend itself for fuel injection. That's like saying it doesn't lend itself to carbs! It may not replicate the Busa Downdraught port but my Gixer never objected to EFI and it worked fine. |
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Post by jonny1bump on Apr 25, 2015 10:26:49 GMT
Different when your using turbo
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Post by jonny1bump on Apr 25, 2015 10:30:59 GMT
The whole gsxr head design suits Carburation not fuel injection, I have have quite lengthy debates with upperton on this whole matter.
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Post by jonny1bump on Apr 25, 2015 10:34:02 GMT
Also head design with port shape just no lend itself for fuel injection. That's like saying it doesn't lend itself to carbs! It may not replicate the Busa Downdraught port but my Gixer never objected to EFI and it worked fine. You don't want it to work fine you want it to be awesome.  |
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Post by katana on Apr 25, 2015 15:17:11 GMT
Different when your using turbo 185hp @ 9 odd k rpm N/A says differently! oss-popcorn Ask Roger if he would have preferred a down draught port on all the stocker and ProMod heads he's done and I believe that would be the preference but he was stuck with what he had as we generally are - they all have to flow air...how you get the fuel in the air stream is immaterial except for atomisation and EFI has that nailed from idle to WOT! Anyway we're veering off thread. |
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Post by jonny1bump on Apr 25, 2015 18:40:33 GMT
Thats doesn't matter good discussion for a change.
The one big advantage with fuel injection is can run more radical cam timing then you can with carbs.
All fuel injection conversion I have seen on air, oil design have not gained any advantage over carb set up, you got yours working well fair play.
Pro stock are all carbs.
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Post by boilerdude on Apr 25, 2015 20:19:40 GMT
90-92 slingshot carbs probably the cheapest and easiest upgrade. they can squeeze into the bandit boots. Just need to get them jetted right.
The next easiest thing but not cheap would be the pimp ass mechanical slide accelerator pump type carbs. the keihin FCR and mikuni whatchamacallits.
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Post by boilerdude on Apr 25, 2015 20:20:29 GMT
slingshot 750 that is. slingshot 1100s all got criminally underfed with the same 36's as the bandit.
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Post by boilerdude on Apr 25, 2015 20:27:05 GMT
oh yea except the canadian ones... Find yourself a set of 40mm canadian gsxr1100 slingshot carbs but you will also need those intake boots.
90-92 gsxr 750 slingshot had 38s which will fit into the stock bandit boots.
Either one might be a long shot but it's a possibility.
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Post by captain chaos on Apr 26, 2015 6:36:40 GMT
All market 1100 M/N's except the USA had the 40mm carbs. But yes the 1200's run very well on 38's.
Didn't USA spec 750's have 36mm carbs? Or were those only the CA spec ones?
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Post by jonny1bump on Apr 26, 2015 12:00:27 GMT
With 40mm carbs managed to flow to 160 hp then switched carbs to carry on for me.
Katana what was spec of your engine in end to 185 was it still road legal.
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