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injector size for 400 whp on pump gas?

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Old Jun 24, 2011 | 10:22 AM
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injector size for 400 whp on pump gas?

ive been debating what size injectors i should get. my goal is 400 whp on pump gas(not E85). i dont know if i should get 1000cc or 1200cc injectors . any thoughts?

thanks!
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Old Jun 24, 2011 | 10:23 AM
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1000cc-1050cc should be your best bet for pump
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Old Jun 24, 2011 | 10:26 AM
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1000cc is good for 93oct
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Old Jun 24, 2011 | 10:28 AM
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Yeah, 1000cc.

I just got my 1200 just because I knew I was going e85 eventually
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Old Jun 24, 2011 | 10:29 AM
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cool that was easy enough haha. thanks a bunch you guys!

i wish i could go E85.. but there just isnt a readily available source up where im at. i dont wanna play with the idea of having a 40 gallon drum of E85 in my garage. =[
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Old Jun 24, 2011 | 11:00 AM
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1000cc are the new 680cc lol. Go for the 1000s and you wont have to upgrade again
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Old Jun 24, 2011 | 12:05 PM
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Id have to say 1000 too though with 880's I have not run out of fuel on pump so...
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Old Jun 24, 2011 | 12:07 PM
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What kind of dyno? For Dynojet or Mustang I think 850cc would be plenty. My old IX put down 383 (Dynojet) and 360 (Mustang) @ 70% IDC on FIC850's (stock turbo, pump gas).
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Old Jun 24, 2011 | 01:07 PM
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I'm over 400 whp on 93 octane with Deatschwerks 750ccs, but in retrospect I would have gone for 1000ccs or larger for eventual E85/race gas tune. Might as well get the largest injectors your tuner can comfortable tune with so you don't need to replace them with larger injectors later.
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Old Jun 24, 2011 | 01:17 PM
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CMAX what engine management system are you using? Bigger injectors are more finicky to tune. If you are running an AEM and have a good tuner you can run 1000s no problem. I would not skimp on this selection get the best injectors out there and get ones thats been flowed or tested. I would recommed an injector but i have been out of the tunning modding game for 2 years now.
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Old Jun 24, 2011 | 01:23 PM
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for pump as stated a million times PTE 1000cc or FIC 1050 and you will be golden but if you get the chance for e85 then you will be sorry as you will need bigger
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Old Jun 24, 2011 | 01:24 PM
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Liftnw8ts, big injectors are not very difficult to tune on stock ecu. There is so much information in the ecuflash forum on this site that has almost all injectors already scaled making it even easier for people to switch to really big injectors. There are several people with 2150's on stock ecu.

Cmax, I would go with 1000cc or larger injectors.
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Old Jun 24, 2011 | 01:41 PM
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I am on e85 with fic 1050cc and currently putting down 437whp/398tq with bone stock turbo.
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Old Jun 24, 2011 | 01:44 PM
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I like the fic 1050's always a little more room to grow
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Old Jun 24, 2011 | 01:57 PM
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i use evoscan. if there were morn gas stations with E85 around me i would totally go that direction, but there just isnt that option right now. im ganna go with the FIC 1050cc injectors. that seems to be the best thing for me right now i think.


thanks again for all the input guys!
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