PI heads with supercharger? QUESTIONS

[lanthony155]

anyone in here runnin PI heads with a supercharger? im hearing that with the pi heads it bumps compression too high to be able to safely run a supercharger. any help guys? thanks

 

[justinschmidt1]

I am and my cars really realllyyyy fast

 

[Mustang Mark]

I am and my cars really realllyyyy fast

i thought you had a complete pi engine?
i think he is talking about puting them on the npi shortblock which bumps the compression up to 10.4:1

 

[justinschmidt1]

I am and my cars really realllyyyy fast

i thought you had a complete pi engine?
i think he is talking about puting them on the npi shortblock which bumps the compression up to 10.4:1

haha, I do..

Im just messing around cause this questions prolly been asked 1000 times.

But yes, you can run boost on a npi with pi heads, just have to run less boost, and be careful with the tune.

Its been done.

I would recommend an inter cooler atleast.

 

[98GTnSC]

I am and my cars really realllyyyy fast

i thought you had a complete pi engine?
i think he is talking about puting them on the npi shortblock which bumps the compression up to 10.4:1

haha, I do..

Im just messing around cause this questions prolly been asked 1000 times.

But yes, you can run boost on a npi with pi heads, just have to run less boost, and be careful with the tune.

Its been done.

I would recommend an inter cooler atleast.

+1

 

[DropTopPony]

Good tune and keep it under 10psi and you should be just fine.

 

[1Sic98gt]

My buddy runs his at 8lbs on a conservative tune and does fine. But yes def. have a intercooler.

 

[lanthony155]

thanks guys. ive heard of people doing it i just didnt know the success rate of not breaking shit. but yea im building up the bottom end first anyways and plan on keeping it under 10psi. So sounds like i should be allset :wave:

 

[Mustang Mark]

thanks guys. ive heard of people doing it i just didnt know the success rate of not breaking ****. but yea im building up the bottom end first anyways and plan on keeping it under 10psi. So sounds like i should be allset :wave:

well if you are building the bottom end why dont you get the pistons with the same dish as a pi engine so you can run more boost?

 

[Lee12609]

the compression isnt much of an issue as long as the tune is good.

you'll make more power even with less boost and timing than a stock NPI car with more boost and timing.

 

[Willis_98GT]

Timing makes the world go round brother

 

[Lee12609]

Timing makes the world go round brother

Correct timing does!

 

[Zwolaver21]

the compression isnt much of an issue as long as the tune is good.

you'll make more power even with less boost and timing than a stock NPI car with more boost and timing.

the compression isnt much of an issue as long as the tune is good.

you'll make more power even with less boost and timing than a stock NPI car with more boost and timing.

+1

 

[Lee12609]

Npi @ 7psi is the same dynamic compression ratio as a pi swap @ 5psi and the pi swap at 5 Psi will make a good bit more power.

 

[lanthony155]

alright good stuff that answers alot of my question. thanks everyone