Lightning motor virtually = 2v 4.6 in every way except the stroke.10secgoal said:So is a lightning motor wider than a 2v 4.6 ? Thanx
10.079 vs. 8.937bdcardinal said:the 5.4 is a taller deck height versino of the 4.6
bdcardinal said:the 5.4 is a taller deck height versino of the 4.6 just like a 351W is a taller deck height of a 302. therefore, it will be wider than a 4.6 due to the heads being higher up.
Back2Mustangs said:I thought the question was about the heads... But since you bring up the 302 vs 351 I have a question now. I don't hear of many people stroking a 5.4. Am I just out of the loop or is the performance gain not worth the task...or can you not stroke a 5.4? Its a 331 right? There's enough room in the 302 to make it a 347, and that seems like a pretty steep jump. I've seen the 302 stroker kits for the 4.6, but that to me seems about as much of a waste of time as going from a 302 to a 306. Is there not enough block in the 5.4 to bore out safely?
Back2Mustangs said:I thought the question was about the heads... But since you bring up the 302 vs 351 I have a question now. I don't hear of many people stroking a 5.4. Am I just out of the loop or is the performance gain not worth the task...or can you not stroke a 5.4? Its a 331 right? There's enough room in the 302 to make it a 347, and that seems like a pretty steep jump. I've seen the 302 stroker kits for the 4.6, but that to me seems about as much of a waste of time as going from a 302 to a 306. Is there not enough block in the 5.4 to bore out safely?
That's the thing.It's going to be carbed, and stuffed in a 67 mustang with a turbo. I've got the 306 turbo charged now. But I am not going to buy a 4.6,just to swap everything out, and start over. I can just get a Dart block. But with lightning getting into the 10's, it should have now problems getting me into the 10's, maybe 9's. I love the turbo because you don't have to run steep gearing. I have a c-4. And you don't spin them to the moon to make power. 6k will do 'er just fine.So bascially what I'm getting at is I need to fit this thing in here some how. If a stock motor will get me to 9's cheaper than a dart based motor, then I'll go that route. I just want to leave it at that without buying a bunch of aftermarket mod motor stuff.billfisher said:boosted 5.4 2v makes huge power at low rpm.
billfisher said:dude forget 5.4 2v. it's a waste of money. you'll never make the hp you are thinking.
4.6 4v is good for swap, but realize you need a lot of info. too many swaps are failing these days. the motor i just purchased came out of a 97gt. it fell on it's face @3000. it's not just a simple swap, it's tuning where it runs.
hotmustang331 said:^ Unforutunatly there are 1200RWHP supras running around on the street. Those things will run off and leave a darn 1300CC suzuki (busa) out on the highway.
I guess a twin 65MM turbo setup on a BB 5.4 4V (358 CI) with Cams and P&P heads, 8.5-1 compression, billitt steel internals, ect, would solve any supra problems LOL. That would pull just about anything.
Ha, I watched a vid on streetfire where an EVO running 42PSI, pulled a notch 347 that had 20PSI (S/C) and N20. the notch was trapping 117 in the 1/8! the evo put out like 942AWHP....just goes to show you that there is always someone faster I guess lol.
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