[quote=“misteroman$$$,post:9,topic:24623"”]
Some great info there.If I decide to keep my 06,I may just have to do this.Anyone catch a total parts price?
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i dind’t. but the heads can be head for about $375/piece. these are fully assembled with valves/springs. You will need an l76 intake if you do this which isn’t too expensive and already has a 90mm opening in it. The fbod guys sell the 90mm tb that comes with the intake since it’s DBW. the cam will run between 275- 450. depends on what monster you want to put in it. with a cam you may need to upgrade the springs ($200)on the l92 heads. pushrods are a must($125-150). Radnom gaskets and such. All in all less than $3,000 in mods to make over 600 hp seems like a steal to me.
As for the GTO boy. yes intake/exhaust are great mods and the LSx motors respond well to it. Obviously you don’t want to go throwing heads and a cam at something while running the stock mani’s (though they don’t flow nearly as bad as they are made out to). We all know an engine is a big air pump so air in and air out = best results. Longtubes are going to vary in cost dramatically depending on the brand. Kook’s, QTP, Hooker, Hedmann, SLP…etc. Lt’s are usually starting around the $350 area and work up to about $1300. Then you have to decide on keeping the cats or letting em go. If gone you’ll need a y-pipe. Then of course a sexy cat back to bring the mean sound all together. Don’t rule out the shorties either as they make good torque just don’t gain as much on the topend. Shorties + cats = deep throaty growl. LT’s + catless = loud noises.
any other questions? :lol: sorry so long.