With just the PI heads and intake you will only pickup around 30-35 hp and its not really that noticable. You don't need a tune unless you plan on running it hard such a towing, as an everyday driver it will run fine with the stock ECM. I would say that compression is more like 9.7:1. This is using the PI cams as well. Be careful trying to mix any non PI intake with the PI heads. I have seen some real creative but scary attempts at doing such a match and they usually end up failing at some point. Good luck.

 

Read the first thread Ranger posted, that's what I was referencing. PI intake + PI cams is best route.

Why Bullitt Mustang vs. normal PI GT or F150? That seems like a lot of additional effort for minimal additional gain.

 

Yeah ill probably go that route with PI intake and cams. I feel that swapping heads will just be a headache.

 

Swapping the cams is a pretty involved and you need that one tool to hold them in place while you swap them. But the compression bump from the heads seems like too much of a PITA, I agree.

 

there was also an NPI intake like that offered by SVO

 

Nah, you can do without the tool, it might be a little faster with. Compression testing is easy, - once you actually do it lol. Your not really bumping per-say, -you install an auxiliary starter switch within the starting circuit. You keep the ignition switch in the OFF position, and using the auxiliary starter switch, crank the engine a minimum of five compression strokes and record the highest reading. While doing so, keep in mind the approximate number of compression strokes required to obtain the highest reading.

 

Yes I am refering to complete "factory" PI cyl heads with the factory PI cams will net you only around 30-35 hp. Now if you are using some other off brand whatever cams then I have no clue what you will get.

 

Brew - you can do without the tool, yes, but for a first timer I'd want it when doing it wrong/improperly aligned ruins your motor. I haven't swapped cams myself, but I know what it entails, and if the tool's available, I'd want it. And the compression "bump" I was referring to was the increase in compression ratio, nothing to do with doing a compression test. The higher compression ratio given by the PI heads requires a lot of "extras" to make it work that result in them not being worth it in my mind.

DYNOTECH - I was telling the OP to read the thread, and then asking 1997 lariat (or anyone else) why someone should go out of their way to find a Bullitt Mustang intake when a normal PI intake would work just fine and be much easier to locate. So I'm not sure if you thought that post was directed at you or if you're agreeing with me.

Sorry, got lazy and didn't want to quote

 

What??

 

Exactly, what? Are you even following along with the thread and what's been said so far?

 

Not any more

 

Yea, I was, - you don't know what the your talking about 75% of the time, and that's being generous...

No worries, it's not the first time..

 

When we argue, it's all in good fun, but you tend to misunderstand, misinterpret, and/or misread a lot of things. You still think my 3V 5.4 that uses VCT has an EGR (valve), which it does not, considering that the two systems provide for the same end result and there's no reason for both. This is also why everyone has problems with the cam phasers, and all the 2Vs and 4.6's do not, because they don't have cam phasers to even go wrong in the first place. People seem to agree with and understand me better than you, at least recently. But whatever, we'll leave this alone, again. Please don't respond, because I won't again. We've each had an equal number of "pokes." I'm learning each and every day here, just like a lot of us. Much of the info I've absorbed has been from you, and I thank you for that. So if I have stated something that is in any way actually incorrect, I apologize. I don't tear motors apart for a living, I've always been "holding the flashlight," if you will, for the more serious stuff. So it is extremely possible that I am wrong at times.

I still love you! <3

 

Understandable, - I've been giving you a handicap.

Yea, leave the beer, - good seein yuh..