if your goal is juts a 14-13 sec 1/4 mile i would go with every mod N/A and spray a 75 shot, N/A my car went 14.9 im sure with a 75 shot the car would be well into the 13's....SPRAY IT!!!!!!!!!

Depends on where you get the parts and if you actually top swap or use a SS M90 kit. I got most of my top swap parts for $450 before shipping (and that means a M90 with a new coupler and new needle bearings). All that's left is a LIM (cheap), TB (also pretty cheap), and then pulleys. Then add in gaskets and fluids and I could do it for under $1k easy. But... I'm doing a lot of extra work before the parts go on.

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2004 Impala LS - got some mods
NAIOA Moderator

Making you think twice before picking on Impalas

yea i was wondering how much for a top swap then the mods to get you into the 13's if it would still be cheaper than the turbo kit. i would asume so tho.

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white 04 comg G gtp. wizair and pacesetters
personal best 14.6 91mph 2.1 60"
track day in a few weeks

Shoot, a whole L67 to rob parts off of would be cheaper than a whole turbo setup....but I think that's like comparing apples to oranges. After finally getting to see a turbo setup (TurboKent) I was pretty impressed with the setup. Aside from the cumbersome cramped engine bay, I'd love to see one near me.

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GreenBastardPerformance2000 GTP Coupe (the green bastard)
XP, Pacesetters, LS1 TB & MAF,MSD System, P&P LIM, P&P GenV w/ 3.2, 3.0, 2.8, Devil'sOwn Injected 100% Methanol,PowerTuned, TripleEdge Trans w/3.29's
12.92 @ 105mph

I was thinking of swapping to a turbo setup just recently....I'm gunna see how far i can push that gen 3 though.


I think the s/c setups look nicer also. But thats just me.

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1999 Silver GTP~HP Tuners~XP cam~ZZP FS Intercooler~#4 FMHE~ZZP 78mm Billet Throttlebody~LQ4 MAF~Lucas 42.5's~ZZP SS Headers~2.8 MPS~PRJ fuel logs~Ported & Polished S/C~TDCRacing FWI ~Built Tranny-3.29's-7/8's chain-Intense forged Input Shaft~

Running mid-high 12's
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