[norcalam2]

Oh and balance is key to a point, exact 50/50 weight distribution actually becomes very unpredictable, when your car is that balanced differences in track conditions, temps, etc become the determining factor of your lines. My rx7 was nearly perfect 50/50 and the line between controlled drift and spin out was VERY marginal. With a 40/60 distribution the margin for error grows exponentially. If your skill level is there 50/50 ftw, if not though you'll fuck yourself.

[liljojo4711]

how are the power thresholds the same for 2v vs 4v? i dont think the 4v is any harder, just more expensive. cams are twice as much, heads are expensive, u have to use the sullivan intake or the austrailian one. just more expensive if u are starting with a 2v.

[ReverendDexter]

Originally Posted by norcalam2 Oh and balance is key to a point, exact 50/50 weight distribution actually becomes very unpredictable, when your car is that balanced differences in track conditions, temps, etc become the determining factor of your lines. My rx7 was nearly perfect 50/50 and the line between controlled drift and spin out was VERY marginal. With a 40/60 distribution the margin for error grows exponentially. If your skill level is there 50/50 ftw, if not though you'll fuck yourself.

I really want to disagree with this, but I think it's mostly just in the semantics of "predictability" vs "controlability". A true 50/50 car is going to be VERY predictable, but when you do start to spin out, having a little more weight forward makes the car easier to regain control, as the car will naturally want to follow the front end.

I'd say this is also why 50/50 cars are usually referred to as "driver's cars", though, if you don't have the skill, get your ass back in an appliance like a Camry, hahaha.

[norcalam2]

Liljojo, they have the same rods, which are the weak link as far as big numbers.

Rev, driver skill not being an issue 50/50 is best but for the average driver 50/50 is more difficult to control than others. 60/40 is much easier to keep good lines 50/50 just gets better ones.

[quiksilver225]

4V is not harder at all. engine is slightly wider. doesnt require the spending of any extra money other than the intake which you would need for the 2V anyway. 4V heads cannot be outperformed by any 2V heads. NEVER EVER. if you can get the navi motor cheap then DO IT! im doing this swap right now. if you have any questions i can definitely answer them for you.

[liljojo4711]

Originally Posted by norcalam2 Liljojo, they have the same rods, which are the weak link as far as big numbers.

so u have to upgrade the rods anyway then so y not do the 4v and get bigger numbers lol

[quiksilver225]

Originally Posted by liljojo4711 so u have to upgrade the rods anyway then so y not do the 4v and get bigger numbers lol

YAHTZEE!!!

[liljojo4711]

Originally Posted by quiksilver225 4V is not harder at all. engine is slightly wider. doesnt require the spending of any extra money other than the intake which you would need for the 2V anyway. 4V heads cannot be outperformed by any 2V heads. NEVER EVER. if you can get the navi motor cheap then DO IT! im doing this swap right now. if you have any questions i can definitely answer them for you.

although not optimal, u dont have to buy an intake for the 2v swap. u can buy the adapter plates for $200 and use the 4.6 intake. like i said though, not optimal.

[quiksilver225]

Originally Posted by liljojo4711 although not optimal, u dont have to buy an intake for the 2v swap. u can buy the adapter plates for $200 and use the 4.6 intake. like i said though, not optimal.

such a stupid thing to do... i dont understand ppl who are willing to do the 5.4 swap, but unwilling to get the proper intake. All those plates do is add an inch to your runners which totally defeats the purpose.

[OneBadNotch]

Originally Posted by quiksilver225 4V is not harder at all. engine is slightly wider. doesnt require the spending of any extra money other than the intake which you would need for the 2V anyway. 4V heads cannot be outperformed by any 2V heads. NEVER EVER. if you can get the navi motor cheap then DO IT! im doing this swap right now. if you have any questions i can definitely answer them for you.

+1...and reps. If you can get a navi motor for cheap. Go for it. I wish i would have waited before i got my 2v, and found a decent 4v. im in the process right now of trying to get some 4v heads. And if you already have them, your one step ahead. And as far as the 2v go, you can still produce a hell of a lot of power. But the flow of the 4v is just immense. There is no comparison in my opinion.

[norcalam2]

Is the 4v swap on a 5.4 the same as 4v on a 4.6? I plan on keeping my car below 415ish for probably a couple years if not permanently.

[liljojo4711]

yes

[BLK01SS]

[QUOTE=330CubeGt;2423602]You need to use the 4.6 Pan and Pickup tube.

Reason being the 5.4 pan will hit your Crossmember before the Motor mounts sit all the way down because it is deeper then the 4.6 pan and made for a truck.( I found out the hard way) And if you tryed to use the 5.4 pickup tube like i did you will find out that it hits the bottom of the 4.6 pan because it is a tad deeper.

The pan needs to be modded because the rod caps will hit the fins in the pan the clearances are tight.[QUOTE]

Hey not callin you a liar, but you know this, I used the stock 5.4 truck oil pan...the only problem is that the drain plug is very close to the support brace. I can still take it out and put it in with no problem. Just letting you know.

The only way I would pay that much for a rebuilt lightning motor was if it was a fully built motor. Other wise look around for a regular 5.4 cause they have the same bottom ends. Forged crankshaft only. And you could prolly get one cheaper than a "lightning" bottom end...just my .02

Don't know what happened to the quote but whatever. lol and no I didn't read the whole thread...so bare with me

[330CubeGt]

Originally Posted by quiksilver225 such a stupid thing to do... i dont understand ppl who are willing to do the 5.4 swap, but unwilling to get the proper intake. All those plates do is add an inch to your runners which totally defeats the purpose.

Thats why i sold mine i realy didn't like the adapter plates for the reason along with the not so nice quality...

Originally Posted by OneBadNotch +1...and reps. If you can get a navi motor for cheap. Go for it. I wish i would have waited before i got my 2v, and found a decent 4v. im in the process right now of trying to get some 4v heads. And if you already have them, your one step ahead. And as far as the 2v go, you can still produce a hell of a lot of power. But the flow of the 4v is just immense. There is no comparison in my opinion.

Hater

Originally Posted by norcalam2 Is the 4v swap on a 5.4 the same as 4v on a 4.6? I plan on keeping my car below 415ish for probably a couple years if not permanently.

Originally Posted by BLK2KGT Hey not callin you a liar, but you know this, I used the stock 5.4 truck oil pan...the only problem is that the drain plug is very close to the support brace. I can still take it out and put it in with no problem. Just letting you know.

I don't see how when Me, R3D and many others had to do it the way i explained.I would love to see a pic of yours in the car.If yours fits it has to be a different pan design then others, or you have a tubular k member thats giving you the extra room.

[BLK01SS]

Originally Posted by 330CubeGt I don't see how when Me, R3D and many others had to do it the way i explained.I would love to see a pic of yours in the car.If yours fits it has to be a different pan design then others, or you have a tubular k member thats giving you the extra room.

I'll get a pic for ya. No I don't have a tubular K member...kinda wish i did tho lol. Nope the drain is one the right side its the same. I'll see if I can get a tomorrow.

[norcalam2]

Well I'm at the point that I want a brand new (freshly rebuilt) motor regardless of what I buy. I'm thinking I will probably go for the Navi motor for the same price as that will still be an increase of 40rwhp and 60+ftlb's ugh! I really wanted a blown 5.4 right away!

[BLK01SS]

Originally Posted by norcalam2 Well I'm at the point that I want a brand new (freshly rebuilt) motor regardless of what I buy. I'm thinking I will probably go for the Navi motor for the same price as that will still be an increase of 40rwhp and 60+ftlb's ugh! I really wanted a blown 5.4 right away!

Dude if you find a used one for cheap(I found one that was sold out from underneath me for $1800 Navi motor that it)...you can buy pistons and rods for about another g...depending on who you use. Then replace your head gaskets and hit that sum bitch with like 20#'s lol. I bought my motor for $800...junkyard special boys junkyard special.

[norcalam2]

With forged pistons and rods how far will the navi crankshaft go? Is the navi the only 4v 5.4? What years? Thanks guys.

[zigbigadoru]

the cobra r is the only other 5.4 4v i can think of but good luck on getting one of those. i would say get a 5.4 2v because generally they are cheaper but if you can find a fanatastic deal then go right ahead and get a 4v. just fyi i got my 5.4 2v for $400 and i doubt i could have found a 4v for that little. just my .02

[BLK01SS]

Originally Posted by norcalam2 With forged pistons and rods how far will the navi crankshaft go? Is the navi the only 4v 5.4? What years? Thanks guys.

The crank is forged stock so you SHOULDN'T have to worry about it.

Originally Posted by zigbigadoru the cobra r is the only other 5.4 4v i can think of but good luck on getting one of those. i would say get a 5.4 2v because generally they are cheaper but if you can find a fanatastic deal then go right ahead and get a 4v. just fyi i got my 5.4 2v for $400 and i doubt i could have found a 4v for that little. just my .02

Yeah the cobra r is only other one I can think too. I had a 4v 5.4 that I was goin to get for $1800 but the guy sold it out from underneath me. I bought my 2v 5.4 from a local junkyard for $800. But man you can make the same #'s with the 2v. My buddy harley makes 480 with a v2 vortech, a sheet metal intake, and forged internals. Now on the other two stages(150 each) he sprays on top of the blower, it made 750+/- and 850+/- through an auto. But if you look at some of the #'s that lightnings make on just a blower, its around 500/600.

Now I got my entire eaton setup for $600. This was the upper plenum, blower, mid intake, and lower intake w/ intercooler, the pulley bridge, and crankshaft balancer and blower pulley. I got the heat exchanger for $100 off of my friends cobra. Now the only other things i need is an intercooler reservoir, pump, t/b that I am getting for $40, the throttle cable, and bracket, and a maf. Im getting my blower ported by my friends dad for doin some work for him and Im getting a k&n intake for christmas. Now friend still owes me a good chunk of change so I might be getting a 4# lower also. Now with all of that through the 5-speed I should right over 400. Just food for thought.

Sorry for the life story.