Subject	Re: What will i max my sard 850cc on E85. I have the border
Posted by	Bigwill837 on January 13, 2014 at 9:57 PM
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In Reply To	What will i max my sard 850cc on E85. I have the border posted by ZxMoslowxZ(FL) on January 13, 2014 at 05:51 PM
Message	SZ and HarryZTuner both "maxed out" the 740 cc injectors at around 530 rwhp on E-85. That equates to about 0.72 rwhp / cc of injector. Using that ratio, 850 cc injectors should max out at around 600 rwhp. This is a really crude way of finding the maximum power for a given injector size, but it should put you in the ballpark of predicting safe/reliable power on E-85. I'm certainly no expert. I agree with what most have said - it's a bad idea to run close to 100% duty cycle. And you would probably be better served with a BDE top-feed conversion if you really want to do it right. BDE 1300's (good for at least 850 rwhp on E-85), your current Walbro 485 fuel pump, Aeromotive FPR, and some quality fuel lines, and you would have one bad ass Z with those 2560's and full breather mods!
Follow Ups	What will i max my sard 850cc on E85. I have the border - ZxMoslowxZ(FL) 17:51:16 01/13/14 Whp wise. Just an estimate. Made 640/606 on C16 @ 30psi (n/m) - ZxMoslowxZ(FL) 18:02:07 01/13/14 If you want to run e85 with those turbos you should - michaell32 (FL) 19:10:55 01/13/14 I definetly want to upgrade to the bde top feed eventually - ZxMoslowxZ(FL) 05:13:38 01/14/14 My guess... Around 550 (n/m) - KongZTT GT28RS MD 18:10:33 01/13/14 max? ~580rwhp unless you bump the fuel pressure a little (n/m) - Zvil (FL) 18:54:19 01/13/14 Really, that seems low. Guys are making 500-550rwhp on stock - white22sky 19:05:52 01/13/14 yeah if you want to run it at 100% duty cycle, not smart (n/m) - Zvil (FL) 19:40:07 01/13/14 Right, but the question was "what will I MAX"my injectors - white22sky 19:49:04 01/13/14 Peaks a little over 90% on the street. - Evan_Wright (Ca) 20:19:46 01/13/14 Thanks for chiming in Evan. I didnt think my memory was too - white22sky 20:44:03 01/13/14 Harry @ ztuner told me he was prob going bump fuel pressure - ZxMoslowxZ(FL) 06:35:55 01/14/14 Theoretically around 630 but reality might be different. (n/m) - michaell32 (FL) 19:09:43 01/13/14 Post the dyno graph so we can see AFRs. - 280ZuL8r 19:12:52 01/13/14 You'll max them out w/ about the same RWHP on E85.... - The Hawk 19:17:44 01/13/14 Re: What will i max my sard 850cc on E85. I have the border - Bigwill837 21:57:16 01/13/14 I run e70-e75 mainly 740 cc 570whp on 21psi - JDAVE 00:38:51 01/14/14 it willl depend on your wastgates and your meth. injection - The Devils Z 19:34:14 01/14/14
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