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mu^cieieawmorimancemraKesisvstemsi from the street to the track we got

Starting at

$149

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Complete at the wheel kits ...starting at $575 rear kits tool potential and hot rod parts availability.

Because the 3.1L V-6 was not offered stock in your chassis, custom fabrication skills would be needed to install it. Frontend weight with the V-6's iron block and aluminum heads would increase over your all-aluminum four-banger. The Ecotec and GM 3.1L V-6 have different trans mounting patterns, so your existing trans won't bolt up, either. As is the case with any late-model swap, a knowledge of wiring, electronics, and computer interface is needed. A typical cross-platform FWD (front-wheel-drive) GM swap involves grabbing the entire front engine and transaxle (aka the "powertrain assembly"), the front cradle, the computer, and the wiring harness from the donor vehicle, then trying to figure out how to graft all this into the receiver vehicle. You should have access to the complete factory service manu als and wiring diagrams for both vehicles.

In my opinion, this is way too much effort to gain a measly 30 hp. Instead, keep what you have and install a GM Performance Parts supercharger kit on the 2.0L engine (GM kit PN 17800003 fit the '03-'05 Cavalier and Sun-fire). This will raise output over 200 hp without the need for a time-consuming, expensive engine swap. GM's kit includes all necessary hard parts, but your GM dealer still has to reflash the computer. There are also complete supercharged and turbocharged Ecotecs from later cars, but this could require the later wiring harness, fuel system, and computer. And most were only offered with a manual trans. For more information on hopping the Ecotec, see HOT ROD, July '07, "Ecotec to Go."

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