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[QUOTE]Originally posted by BlueBeast88.306: [QB] [QUOTE]Originally posted by 93PONY: [qb] I'm a die hard Ford lover, but if there's a better power plant out there I'll be the first one to admit it. There's no comparison IMO. The LS series motors are superior to a SBF. The only heads I know of for a SBF that can compare (power wise) are the CHI heads (cleveland style). & Even then I think the LS7 heads are damn close. Behond that a lot of the benefits come in the weight department. The Aluminum LS1/LS2 blocks are a good 75+lbs lighter than a 302 (let alone a 351!). Same with the heads....an LS1 head weighs 15+lbs lighter than an aluminum SBF head. All this with the displacement equivilent to a 9.5 deck SBF motor. The EFI intake of the LS series is superior to the EFI Ford, the head design is superior, the blocks can handle more power, they're a 'Y' block design which gives more main support. Coil on plug......now Edelbrock has a line of carburator style inakes for them.... The SBF has it's advantages too.....like a MUCH lighter rotating assembly, but advantages of the LS out weighs the shortcomings IMO. A buddy around here has an odd-ball 11:1 compression 383 LS1 with box-stock ETP 225cc heads, Edelbrock intake, Accufab 4-barrel TB, hydrualic roller camshaft, & longtubes...still uses the stock rocker arms. Damn thing puts out over 500RWHP from 5800rpm to over 7000rpm on pump gas through an Auto. At 3550lbs with the wrong gearing & a super loose converter it's run 10.56 @131.9mph on MOTOR. Imagine this motor in a Fox coupe with a raceweight under 3000lbs in a car with full interior, no serious weight reduction. 9's @135+MPH on pump gas driving to/from the track. Fully streetable/reliable 9's on crap CA gas.....now THAT is a motor/car combo! [/qb][/QUOTE]But I'm mainly talking about a car that is avaliable with an all aluminum 4.6 that has 24 valves is super light, and with stock internals and a Pro-Charger has put out around 700hp at 281ci. I'm sure each make has advantages, but when you take the stock engine with that much of a displacement difference and get that much power, it seems pointless. Not to mention if you go with a built 24 valve with heads,cams and forged rotating/reciprocating assembly, etc. the potential is pretty awesome. But hey, put what ever you want in your car. I was just saying I'll NEVER put a GM engine in the same garage as my car. Besides it's more fun to smoke LS1,7,X "whatevers" with a measly 281ci or 306 ci anyway. :burnout: [/QB][/QUOTE]
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