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mysteed -> RE: Specific Questions over 3.8 V6 supercharger (5/8/2008 9:23:25 AM)
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Superchargers:
M112 supercharger- The cheapest kit out there (under 3k) but you must find all the parts yourself. If you want something that looks amazing when you pop the hood or something everyone will recognize isn't stock, then this is the supercharger for you. This does not currently come intercooled and you will either need a 3" cowl hood or you can cut your stock hood and let it poke through (this is what I did). On a stock motor, you will make around 260-275rwhp and 300-315rwtq. Since this supercharger has a self contained oiling system, you will need to change the oil every 25,000 miles.
Vortech- The middle of the road kit but also comes with almost everything that you need for the install. You will need to tap the oil pan to add this supercharger but it requires little maintenance. This does not come with an intercooler but you can add one if you can get someone to fab one for you. On a stock motor you should make around 230-250rwhp and 275-290rwtq. The average price for a Vortech runs around $3,000 but you will still need to buy fuel injectors, MAF, and a fuel pump.
Procharger: There are two kits available from Procharger (8psi and 11psi) but both give a significant increase in power over stock. If you choose to go with the Procharger 11psi kit it comes with an intercooler and you can upgrade to the 3 corer intercooler at an additional cost (this is highly recommended). You can also upgrade the stock P1SC headunit to the D1SC, which is high recommened since the D1SC is more efficient. Upgrading the headunit at the time of purchase adds another $300 to the cost, but if you want the upgraded headunit later it'll cost you in the neighborhood of $1,775. This kit offers the highest numbers based on a stock motor (around 300rwhp and 300rwtq with the standard kit) but it is also the most expensive kit at around $4,000. On the other side, the Procharger kits come with almost everything you need to install the kit, but you will need to relocate the AC lines and some users have problems with shredding belts prematurely due to the belt alignment being off (this can be easily fixed by some shims). Also, since the Procharger is a self-oiling unit, you will need to change the oil in the supercharger ever 6,000 miles.
Turbo's:
Check out www.tmaturbo.com for full pricing and differences between a single turbo and twin turbo's. Also be aware that it will take several weeks for Any at TMA to make your kit but his work is well worth it. You can have a shop custom fab up a kit for you, but expect it to cost around 5$5,000-7,000.
Keep in mind that no matter what supercharger or turbo(s) you go with you will still need to get a boost gauge (plus somewhere to mount it), a tune, colder sparkplugs (ex: NGK TR6's or NGK TR7's), and it is recommened that you change the cars fluids at the same time.
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