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ta350 · 03-10-2009, 11:21 AM

First off you have to put things in perspective. Stock for Stock the LS1 Dominates.

For arguments sake lates say you get the 5.3 L33 or LM4 Aluminum Block. First off your gonna have to tear down the engine no if ans or buts about it. Replace Main Seals, All gaskets, Piston Rings, Check for dead cylinders, compression, etc. Lets say Tear Down will set you back $300 in parts if you do it yourself. Then you have your z06 cam which you can pick up on a forum for $150 shipped. Then your gonna need push rods, valve springs, retainers, etc well say avg price $450 for a whole set for valve train upgrade. Then you have your intake you can get a ls1 intake and throttle body for around $300 on forums. Then you have your manifolds and a cat back for lets say $800

So that puts ya at $2400 in parts including the engine. Not including engine mounts, oil pan, wiring harness, fabrication if need be. etc. Also theres no $$ for labor in there if your having a shop do it.

03-10-2009, 11:21 AM	#58
ta350 Join Date: Jul 2005 Location: Medford, NJ Posts: 502 iTrader: (0)	First off you have to put things in perspective. Stock for Stock the LS1 Dominates. For arguments sake lates say you get the 5.3 L33 or LM4 Aluminum Block. First off your gonna have to tear down the engine no if ans or buts about it. Replace Main Seals, All gaskets, Piston Rings, Check for dead cylinders, compression, etc. Lets say Tear Down will set you back $300 in parts if you do it yourself. Then you have your z06 cam which you can pick up on a forum for $150 shipped. Then your gonna need push rods, valve springs, retainers, etc well say avg price $450 for a whole set for valve train upgrade. Then you have your intake you can get a ls1 intake and throttle body for around $300 on forums. Then you have your manifolds and a cat back for lets say $800 So that puts ya at $2400 in parts including the engine. Not including engine mounts, oil pan, wiring harness, fabrication if need be. etc. Also theres no $$ for labor in there if your having a shop do it. __________________ 1993 Trans Am ---> LT1 bolt ons (Sold) 2002 Firehawk Trans Am ---> SLP 400HP kit, LS6 intake, LS6 block (Sold.... Miss her) Current Vehicle 2002 Chevy Silverado 1500 2005 GSXR 750 Street Fighter Flat Black Red Rims Last edited by ta350; 03-10-2009 at 11:22 AM.