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what size injectors to tune with E85?

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Old 11-10-2011, 10:51 PM
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Default what size injectors to tune with E85?

I have a 98 camaro LS1 with heads and cam setup. Have all the bolt ons and full exhaust. Car has a 90mm unported fast intake with a 90mm nick williams TB. car has the torquerer cam version 2 with 243 LS6 heads ported and poilished/CNC the works. Car was recently tune on pump gas 93 octane with stock injectors and fuel rail. Injector duty cycle on stock injector is maxed out and the Car made 454hp and 408 torque. I still have stock injectors in it with stock fuel rail but fuel pump has been upgraded to a walbro 255. My stock injectors are 28 lbs and maxed out on the duty cycle. My question is what size injector do I have to go up to for E85? Do I need to upgrade my fuel pump? do i need to install a bigger fuel pump in it?
Old 11-11-2011, 10:22 PM
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get 65# or 80#, they idle well and will give you more than enough room

I am bolt ons only on E85 with the 26# injectors and am at 115% DC. With the 28# you have you would probably be at 100% by about 4800rpm
Old 11-12-2011, 10:46 PM
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Wow! anyone? Any comments or expierence on this topic? 44 views only one reply. I thought some members would chime in. Thanks grrr for your reply i appreciate it. Thanks.
Old 11-13-2011, 01:07 PM
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Originally Posted by IVRedZ28LS1
I have a 98 camaro LS1 with heads and cam setup. Have all the bolt ons and full exhaust. Car has a 90mm unported fast intake with a 90mm nick williams TB. car has the torquerer cam version 2 with 243 LS6 heads ported and poilished/CNC the works. Car was recently tune on pump gas 93 octane with stock injectors and fuel rail. Injector duty cycle on stock injector is maxed out and the Car made 454hp and 408 torque. I still have stock injectors in it with stock fuel rail but fuel pump has been upgraded to a walbro 255. My stock injectors are 28 lbs and maxed out on the duty cycle. My question is what size injector do I have to go up to for E85? Do I need to upgrade my fuel pump? do i need to install a bigger fuel pump in it?
hi,for your current set up you should be running a 42lb 4bar.for e85 you will need to go about 35% more.we have a drop in 60lb 4bar ls1 inj.your 255 should be fine.
http://www.corvetteinjectors.com/sho...?productid=354
for any questions give us a shout#770 888 1662
thanks, bill



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