bullit versus PI?!?!?

kid rock · Jul 18, 2006

i am assuming this is tech due to the fact that i am pondering the performance issues between the 2!

hey guys,

1st off is it possible to put the bullit intake manifold on a 98GT??

if so then why do most people go fo the PI intake over the Bullitt??

OR

is it just for the 99-04 cars and fitting it on the 96-98 4.6 a PITA??

Cheers guys

Si

:SNSign:

stangGT97 · Jul 18, 2006

The bullitt manifold + installation kit is at least 5 times the cost of the PI manifold + hardware - you need a new air tube, throttle body, plus you'll have to find a way to tap a second temp sensor in the coolant crossover (not a big deal, but with the PI manifold you can use your NPI aluminum crossover and have a pre-tapped sensor hole). Don't get me wrong, while the peak gains of the Bullitt vs. PI are not that different, I've been told that the Bullitt gives good gains throughout the power band, not to mention it would be ideal if you were to run a shot of N2O. But I think all in all, its the price to performance factor that causes most people to steer in the PI direction. I hope that helps

kid rock · Jul 18, 2006

stangGT97 said:
The bullitt manifold + installation kit is at least 5 times the cost of the PI manifold + hardware - you need a new air tube, throttle body, plus you'll have to find a way to tap a second temp sensor in the coolant crossover (not a big deal, but with the PI manifold you can use your NPI aluminum crossover and have a pre-tapped sensor hole). Don't get me wrong, while the peak gains of the Bullitt vs. PI are not that different, I've been told that the Bullitt gives good gains throughout the power band, not to mention it would be ideal if you were to run a shot of N2O. But I think all in all, its the price to performance factor that causes most people to steer in the PI direction. I hope that helps

no thats kool geezer thanks, sombody over on the bullitt owners club forum was selling the whole kit the other week so i was wondering tis all!

does it alter the compression in the same way the PI swap does??

so in simple terms does just changing to the PI intake really make that much difference??

and on the nitrous side of things yeah it would be a LOT safer with the bullitt!

and what about the heads side of things are they any different??

cheers again lol

Si

stangGT97 · Jul 18, 2006

the 4.6L in the Bullitt Mustang uses regular PI heads, w/ the special intake mated to them. Just replacing the intake alone does not cause a change in compression, but it will give you a little more power. If you're not doing the whole headswap, then I would recommend PI cams and intake, probably the best bang for the buck mod you can do to give your NPI 4.6 a kick in the pants. I did not install PI cams when i did the manifold and I've been kicking myself ever since.

Also, the PI manifold is completely fine for nitrous, but backfires do happen sometimes... the good thing is that it is really cheap to replace if it does crack. Bottom line, if you can get the Bullitt intake and all the hardware for a good price, jump on it and use if when you do a headswap

ascoldasice17 · Jul 18, 2006

screw that...get this bad boy.....http://www.livernoismotorsports.com/product.phtml?p=744

helty · Jul 18, 2006

isnt there an FRPP manifold for 96-98s that look exactly like the Bullitt? In fact wasnt the Bullitt manifold based off that one?

In fact.....

http://www.fordracingparts.com/parts/part_details.asp?PartKeyField=3330

stangGT97 · Jul 18, 2006

ascoldasice17 said:
screw that...get this bad boy.....http://www.livernoismotorsports.com/product.phtml?p=744

didn't you just post a thread asking about that "bad boy"? so I don't think you're in any position to be recommending that to anyone. furthermore, this thread is about Bullitt vs. PI, and your comment does nothing to help clarify the differences. You'll never make respectable power with that blower until you swap cams for either PI cams or a set of comp blower cams, as those are the final major bottle neck in the NPI 4.6 (you already took the manifold out of the equation)

Duke309 · Jul 18, 2006

helty said:
isnt there an FRPP manifold for 96-98s that look exactly like the Bullitt? In fact wasnt the Bullitt manifold based off that one?

In fact.....

http://www.fordracingparts.com/parts/part_details.asp?PartKeyField=3330

ouch 1700 bucks just for an intake.

stangGT97 · Jul 18, 2006

Duke309 said:
ouch 1700 bucks just for an intake.

right, it's a complete rip off, thats why the PI intake is so appealing

helty · Jul 18, 2006

stangGT97 said:
right, it's a complete rip off, thats why the PI intake is so appealing

I just posted the link, never said its worth $1700

four six · Jul 18, 2006

you can do the entire swap + bullitt intake for that $$

stangGT97 · Jul 18, 2006

helty said:
I just posted the link, never said its worth $1700

go drool over jason's cams

DropTopPony · Jul 18, 2006

Duke309 said:
ouch 1700 bucks just for an intake.

that intake used to be under $1000 until Ford jacked up the price...bastages

helty · Jul 18, 2006

stangGT97 said:
go drool over jason's cams

boost > cams

stangGT97 · Jul 18, 2006

helty said:
boost > cams

oh right I forgot you were rockin' the turbonator

helty · Jul 18, 2006

stangGT97 said:
oh right I forgot you were rockin' the turbonator

Damn right I am. You should try it, might give that 97 of yours a little kick in the pants.

stangGT97 · Jul 18, 2006

helty said:
Damn right I am. You should try it, might give that 97 of yours a little kick in the pants.

nah dude it doesnt need it, i got the 1337 3.55 gears for that

kid rock · Jul 18, 2006

1700 dollars but only, 1000quid for me lol good ole exchange rate lol

cheers for all th help guys,

im assuming that the bullit throttlebody would provide more power and better response as its a dual one?? or have i been on the stuff again lol

anybody know where does the bullit stuff cheaper than ford??

cheers again

si

ps wos up with mateys "bad boy" that really work??

bullit versus PI?!?!?

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