Hopefully someone will find this usefull. The car originally dyno'd ~186 HP bone stock and rated at 215 Crank HP. Before the head swap (everything else already on the car) it dyno'd 213.4 RWHP / 282.6 FT. LB All in all car feels very fast and strong...and I'm happy with the result. I will be removing the C&L mass air meter and get a new dyno tune. Should be able to squeeze out 270 RWHP.
#'s are looking a little low. I have the mods listed in my sig and made 212 rwhp and 284 rwtq. Most 99+ GT's are making right around 250 rwhp stock right?
Most 99+ dyno around 230-240 RWHP. The owner of a local Mustang shop dyno'd his 01 5 speed at 233 RWHP stock.
For some reason I thought I remeber numerous people saying there 99+ GT dynoed at around 250 rwhp but you are right that would make no sense since there crank #'s are 260.
With no other mods than the PI swap I went from 189 to 230 after the tune it was 242. Nice numbers man and get rid of that maf its worthless.
good numbers man! hopefully you squeeze out that 270rwhp...thatll be sweet! what do you guys think my 97 will dyno at?? MODS: trick flow upper plenum bbk 75MM throttle body bbk cold air intake bbk underdrive pullies bbk off road h-pipe american thunder catback exhaust 4.10 gears (dont matter in hp numbers) bbk timing adjuster frpp aluminum driveshaft.... last 3 dont really matter. But how much you guys think i will pull??? oh almost forgot! all that PLUS my PI swap.
What does it take to get 300 HP at the wheels with a PI swap, Porting? Mild/Agressive Cams? Miracle? I am shooting for 300 rwhp in my 98 gt, and I was planning on a PI headswap with either porting or aftermarket cams....whats it gonna take to get to 300?
Pretty much everything you can think of minus a blower. P/P heads, cams, every bolt on in the book, and a great tune. It's tough but it has been done.
The beast is completely street legeal and always pass smog test. The h-pipe has cats and I went with shorty headers instead of long tubes for the same reason. Everything looks stock, you can't even tell that I have new heads and intake unless I tell you. BTW, I didn't change out the cam to some of the nice aftermarket ones but I know I will eventually have to inorder to break 300 RWHP.
if you get every bolt on including long tubes...you could probably do it with VT Stage 2 cams and stock PI heads.
