Hi I just received my 3.5 MPS in the mail. Should I install it? or wait for my overkilled re-tune to come in(estimated 3 weeks)?

CURRENTLY ON MY CAR:
ZZP Fixed Pacesetter headers
Autolite 104's .055 gap
tb spacer
overkilled cai /tstat tune
Cold Air intake

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OVERKILL
P4 Perilli Tires
ZZP Pacesetter Headers
Custom Cold Air
ALT 104
3.5MPS Pulley

Wait, wait, wait. You're not modded enough for a 3.5 anyways, so absolutely wait for the tune.

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One Big Ass Mistake America

Oh yeah..otherwise it could be a big ping-ping,boom.

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2005 GT owner [Non S/C] with a "big DIC".
Two years later and I still love the car.
Thanks Pontiac...Bleen is keen!

ok will do. you guys looked at my post right? not my signature, thats old mods.
Just making sure. Ive done research throughout the forums, 3.5 is appropriate for my mods. I currnetly show 0* knock with my 3.8

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OVERKILL
P4 Perilli Tires
ZZP Pacesetter Headers
Custom Cold Air
ALT 104
3.5MPS Pulley

To be honest,any time you signifigantly up the boost/performance level of your car,you should be sure to have an appropriate Cal/adjustment to suit.
It's a lot more fun driving them than fixing them.

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2005 GT owner [Non S/C] with a "big DIC".
Two years later and I still love the car.
Thanks Pontiac...Bleen is keen!

The drop from a 3.8 to a 3.5 on a Gen-V is a BIG drop. I will admit that I missed the mod list in the post, but in my opinion, you're gonna need more. I hope to be proven wrong, especially since I don't know as much about the L32 as the L67, but the smaller injectors of the L32 will limit your headroom.

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One Big Ass Mistake America

I would have someone tune the living daylights out of it when you add the pulley. I personally think that with the headers you should be OK. Maybe add some rockers...? Otherwise, I think you'll be fine so long as you TUNE.

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2012 Ford Focus SE Sport
2012 MINI Cooper Clubman

I have ADHD and drive a Focus. Ironically.
Although gold dust is precious, when it gets in your eyes, it obstructs your vision.

Wait for the tune!! I put on a 3.6 with intake, headers, exhaust, 180 tstat, and 104s and i was seeing ~3 degrees of knock. I ordered a tuned pcm and I wont even risk driving my car around till it comes here. I think i should be fine with the tune. I want to put on a 3.5 but i will prob need 1.9 rockers which i plan to do in a few months.

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2004 GTP COMP G
K&N Intake, MPS, 3.5, Overkill PCM, SLP Powerflo, GTX Tips, SLP Headers, SLP Cat, 180 tstat, MSD Coils
Aeroforce Interceptor, Tints, 17" Elbrus Wheels

for the record everyone, the pulley was installed yesterday (along with tune). It's currently showing 0* of knock with the occasional cruise 1.5 highway knock. Guess I lucked out
thanks everyone

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OVERKILL
P4 Perilli Tires
ZZP Pacesetter Headers
Custom Cold Air
ALT 104
3.5MPS Pulley

No luck involved...you were smart and listened.

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2005 GT owner [Non S/C] with a "big DIC".
Two years later and I still love the car.
Thanks Pontiac...Bleen is keen!