Give it up rick, neals truck will kill you. You can buy all the parts from pep boys you want, it dont make it fast.

 

rick, your in over your head. Neal has THE FASTEST n/a 5.4 out there (in a truck). And look at his gallery. His engine is built, plan and simple.

I told you this before. To hope for 100 hp with a cam and valves isn't gonna happen. I know that the 4.6 has alot of potential in that department, but its just not gonna turn out like that.

Mike Troyer is probably number 1 or 2 in my book for most knowledgable ford guy, trust me he knows alot, and considering he helped put neal in the 13's with a N/A motor (you better be in the 13's neal, dont make me eat my foot) i wouldn't doubt his ablities in the least.

As for your tranny, are you gonna turn back and redo it anyway? Run it til it breaks again i personally wouldn't be too worryied about it. I dont think youll put 400 at the fly honestly.

Your guy claimed 400 at the fly? Maybe like neal said when you run it up to 7000 rpm or so. You might do it .. . once, then youll pick all your rods up and the bake potatoes that used to be pistons and be pissed off. Think 5.4 supercharged engine with 8 lbs of boost running 380 hp. Then 4.6 n/a. Not raggin on your truck youve done a fine job, but be realistic.

 

HI!... grinomyte : Just to set things straight, the 5.4 engine I have in my truck right now is the original 5.4 that came in my truck from "99" when the truck was bought by me brand new. It currently has 146,000KMS on it and has all the bolt-ons and some stuff that I invented for it. It has never been removed from the truck. The 5.4 engine you see in my gallery is a "98" crate engine that I bought from a guy that was going to put it into his "91" MUSTANG coupe but it wouldn't fit without massive modifications. I bought it and tore it down for the block and crank. 100H.P (flywheel) is possible with heads and cams but the heads have to have "EVERYTHING" done to them like mine and the BIG 0.600 + cams in them. Since my stock 5.4 rods tend to break at just over 6200RPM, I stuck with the smaller 0.5239/0.570 lift cams since my rev limiter is now set at 5900RPM. I doubt he will see 350RWH.P out of his 4.6. I say more like 350-360H.P at the flywheel is more like it. I'm hopefully going to be going back to the track after 2 years absense before my local track closes for the season. We will be video taping my runs so to have proof that some people here will want.

 

ACH! foot slightly in mouth I thought you built your block, i guess not tho since you probably arent pushing the stock rods and pistons to the limit so no point.

So 100 h.p. is available in heads and cams alone in the 4.6? I've heard they have quite the potential. However i was led to believe this is mostly a high rpm thing, that if your rods will take it you'll get the power, just not where you would like it to be. On the other end i hear hte 4.6 can rev nice and high without much trouble so maybe he can safely up his rev limiter?

 

HI!... grinomyte : The 4.6 will rev to a higher rpm limit easier than the 5.4 because the 4.6 has a better rod ratio. The 5.4's rod ratio sucks. With better "H" beam rods and a balanced assembly the 5.4 is capable of turning almost 7000RPM. Yes 100H.P at the flywheel is possible on a built block 5.4, the 4.6 i'm not sure. I got the #'s for a 5.4 not a 4.6. To get that 100H.P you do have to rev it to about 6500 to 6800RPM though. That's with the 0.600 + lift cams. JMC has had his rev limiter set to 6500RPM on his 4.6 in his truck for years now with no ill effects. I'm currently taking my 5.4 to 5850RPM in 1st gear while racing with no problems. I'm getting a custom driveshaft made up for my truck next week and a driveshaft loop the week after. Then I'll be getting a plasma booster and I'll be ready for the track. No rims or slicks yet so I'll have to make all my runs on my everyday street tires.

 

http://www.modularfords.com/forums/s...?threadid=4982

this guy mad 295 rwhp in a mustang.

the 4.6 can make as almost as much hp as the 5.4 but with lower torque and at a higher rpm.

the long runners of the truck intake will hold back the high hp.