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-6AN adequate for a 450 hp ls1?

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Old 12-25-2005, 03:14 PM
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Default -6AN adequate for a 450 hp ls1?

If not, ill have to go w/ an aftermarket rail too since I cant convert the stock rail to -8AN

Thanks
dave
Old 12-25-2005, 03:33 PM
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450HP at engine or wheels?

Ive seen 450HP at engine with AN6. It wouldnt hurt to go AN8 though as your more then likely going to be chasing more power later on, then its already there ready to go.
Old 12-25-2005, 03:39 PM
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yes RWHP , i can always run a -8 later w/ ease. If i go -8 now, i will have to get aftermarket fuel rails right?.

Dave
Old 12-25-2005, 04:54 PM
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If your going to run -8 the whole system needs to be -8, you cant run -6 from the rear and just convert to rails with -8, the max it will flow is what the -6 allows.

If I were you I would go -8 the whole system, do it once and be done with it.
Old 12-25-2005, 05:12 PM
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my point is, there is no fuel rail adapter for the stock rail to -8an right? So if i go -8 Ill need new fuel rails correct?

Dave
Old 12-25-2005, 06:39 PM
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Originally Posted by TT_Vert
my point is, there is no fuel rail adapter for the stock rail to -8an right? So if i go -8 Ill need new fuel rails correct?

Dave
Well you could use a -6 hard tube adaptor on stock rail then a -6 to -8 adaptor and be done.

Looks a bit stupid with all the adaptors and flow would only be what the -6 (3/8") fuel line is capable of flowing, in that case better sticking with -6 the whole way or get new billet rails and -8.
Old 12-25-2005, 08:48 PM
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i have a 3/8" line I want to utilize. So i'd go from 3/8 line to -6 to rail.

Dave
Old 12-25-2005, 09:20 PM
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-6 is enough fuel to feed quite a bit more than 450 RWHP. But, if you plan to go bigger, might as well do it once and do it right.
Old 12-25-2005, 10:46 PM
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well i didnt want to pull the tank right yet so i wanted to just get it running for now. My plan was to use the corvette regulator for now and run from that to the rail using OEM 3/8" line then 6an to rail. Eventually id go w/ 8an feed and 6an return but i just want to get her running for now
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Old 12-25-2005, 11:57 PM
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To get it running, there's nothing wrong with doing that. In fact, I'll be using the factory lines for a little bit myself. But, I'm already planning -8 in and -6 back to the tank.
Old 12-26-2005, 12:38 AM
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eventually ill probably go w/ a sumped tank w/ an A1000 like ive always done w/ my other mustangs.

Dave
Old 12-26-2005, 01:31 AM
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8 an is what we use on our helocopters that burn about 90 gallons an hour per engine so im sure 6 an is plenty good for your car
Old 12-26-2005, 10:37 AM
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What PSI do the choppers run?
olly




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