ls3 heads 440
11-20-2008, 06:55 AM
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ls3 heads 440 Will Extreme ported LS3 heads be enough for my 440ls7 it will have the fibetuned intake. I believe the heads low like 360cfm. I have the heads came off my 08 vette will have them ported here soon.
11-20-2008, 07:41 AM
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My heads that flow 400 are not big enough for my 440". If you want a mid range torgue monster that you can drive on the street they might server you well.
Remember they are OEM heads and have limitations compared to an aftermarket head.
Robin
11-20-2008, 08:35 AM
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I believe that niken brothers out of houston will be porting them. its going in a c5 vette that will be street dragged and driven also will have a max 200 shot on it two stages 100 + 100 just for back up
11-20-2008, 12:46 PM
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Both heads will get the job done. The LS3 heads will have just about as much mid-range power as an LS7, but the top end power on the LS7 heads are crazy. The Fiber Tuned intake should work well with either setup. Thats going to be one sick car you got..... I would take it to Horsepower Engineering.....
