PI head swap or 4.10s

phil_the_thrill

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alright. I've been assessing my finances and I am either going with the PI head and intake swap or 4.10s. Which one of these do you guys think i should do?
 

Lightning Struck

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PI swap all the way, you can get 40hp or more out of the entire PI set-up. Might as well pop 500 for a set of aftermarket cams too for some extra power 8)
 

phil_the_thrill

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yeah i was thinking PI swap definantly but i wanted to see what others said. i would love to put some different cams in at the same time but i dont think my budget will allow it. planning on doing this over christmas break. should be able to bang this out in 3 or 4 days right?
 

Dalamar

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the 60 HP and better power curve, as well as better response to future mods is better than gears.

Gears are great too, torque multiplication, but you'll still choke out a 4800 rpm's with the NPI's
 

DropTopPony

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The swap no question....putting pi parts on is a great mod.
 

281powered

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PI all the way :thumb: trust me from experience, i did the 3:90's before my PI goodies and don't get me wrong the gears were an awsome upgrade but then i put the PI equipment in and man you won't even reconize your car after that, you really notice the extra ponies :boink:
 

ck5.0

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P.I. Heads would be a great start. They are a HUGE difference in my car. Of course 4:10's are a great seat of your pants part. What are your plans for the car? If money is an issue and you don't really plan on modding the motor big then maybe 4:10's. My vote is for the P.I. Heads.
 

97stanger

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think twice about the headswap if you plan on supercharging it anytime soon though :thumb:
 

jared6180

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I have had to choose on previous cars, and I would do the gears FIRST. Others talk about it feeling like a different car after the PI swap, and hell you are adding 45-50hp...it better!!! 4.10s in the rear would do about the same for you in the 1/4 mile though. You will def feel the 4.10s
 

DropTopPony

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jared6180 said:
I have had to choose on previous cars, and I would do the gears FIRST. Others talk about it feeling like a different car after the PI swap, and hell you are adding 45-50hp...it better!!! 4.10s in the rear would do about the same for you in the 1/4 mile though. You will def feel the 4.10s

Your not saying that adding 4.10's to a NPI 2V will drop as much et in the 1/4 as doing a PI swap? Those 4.10's will be nice and help you get to that magic 4500rpm choke off point the wonderful NPI intake and cams die at. Doing a PI swap doesn't just add 40-50rwhp it also extends the usable powerband up to 6000rpm adding much needed top end power. Gears may help you drop 2 or 3 tenths but a PI swap usually results in a full second drop off your 1/4.
 

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