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Sorry, but another NNBS intake question

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Old 02-28-2012, 09:48 PM
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Default Sorry, but another NNBS intake question

Can get a complete NNBS Flex Fuel intake complete for the cheap, and wanting to put it on my 05 5.3. I know I need a Xlink, but will I run into any other problems with it being a flex fuel intake/injectors?
Old 02-29-2012, 05:00 AM
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I've seen complete intakes for around 250-350 depending how new , what injectors and what it comes with . A option is use the lInk I posted about a brand we TBSS intake bare for 95$ and piece the rest together . There's a good chance u will come under the 300 mark and at least the intake itself will be brand new just a thought
Old 02-29-2012, 07:34 AM
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Yeah the intake I found is 100% complete, just wanting to know what's the typical problems to look out for.
Old 02-29-2012, 07:42 AM
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Just so I understand the question, you currently have a non-Flex Fuel vehicle and you're trying to convert it to use Flex Fuel?
Old 02-29-2012, 07:43 AM
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I think the injectors are the 32-34 lbs flex fuel type so they should be good for a little while but if you start playing with the fuel trims or get another cam that drinks more fuel then maybe bigger injectors. I went with the marine 8.1 44 lbs injectors to give me a little room to grow but I'm going with 243 heads and a cam with more lift.
Old 02-29-2012, 08:17 AM
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My engine is not flex fuel, but the intake is. Would that be a problem?
Old 02-29-2012, 08:20 AM
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Btw, I'm not converting to flex, just wanting to use the intake
Old 02-29-2012, 08:27 AM
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You will need to deal with the EVAP and retuning for the bigger injectors... thats pretty much it.
Old 02-29-2012, 08:48 AM
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Soon as my LS1 is assembled and installed I'm going to start a thread for 04-07 Classic since there is a million ideas and not really any definitive instructions. So far I know that the evap connector does plug into the NNBS evap, and the correct evap lines for the NNBS do fit on the 04-07 classic and are pretty cheap. You need to change the injector connectors or buy adapters for the EV6 injectors, I plan on chaging my connectors for a cleaner look.
Old 02-29-2012, 09:30 AM
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Thanks for the help guys
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