GrandPrix34 Posted October 13, 2002 Report Share Posted October 13, 2002 "A basic rule of HP increase is for every Liter of displacement you will get 4 HP. So if you have a 3.0 L ford you will get about 12 hp, if you have a 4.6 L Chev you will get about 17 hp and so on."....???????????? Quote Link to comment Share on other sites More sharing options...
luminator94 Posted October 13, 2002 Report Share Posted October 13, 2002 I'm not sure how to answer that one, but I can tell you how to figure your power-to-weight ratio. In other words: How much HP per pound of your vehicle. Take total HP divided by the weight of the car times 100. Couple examples: Z34: 200 HP divided by 3340lbs times 100 = 5.99HP per pound, that's pretty good power. Euro 3.1L 140HP divided by 3269lbs times 100 = 4.28HP per pound. Aaron Quote Link to comment Share on other sites More sharing options...
DropTopOlds Posted October 13, 2002 Report Share Posted October 13, 2002 How many 12hp Ford Tauruses have you seen? The Duratec 3.0L V6 has 200hp Ford's modular SOHC 2v/cylinder 4.6L V8 has 260hp/302 lb-ft in some applications...I'm not sure I understood your question. Quote Link to comment Share on other sites More sharing options...
91GranSport Posted October 13, 2002 Report Share Posted October 13, 2002 I don't think your formula for HP increase is correct. There are too many factors involved. Original size of the engine, manufacturer of the engine, valvetrain, compression ratio, fuel octane rating, etc. Quote Link to comment Share on other sites More sharing options...
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