turbo or supercharger

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CarGuru > General Motors > turbo or supercharger 15 April 2005 07:19:58

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turbo or supercharger
Flatline____44 15 April 2005 01:59:02
	i have a 98 4x4 chevy blazer 4.3 v6 i cant figure out if i wanna buy a supercharger or a turbocharger. i heard turbochargers put out more hp but superchargers are easier to install. anything to sway my decision would help.
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Paul 15 April 2005 04:28:43 [ permanent link ]
	Flatline____44 wrote:> i have a 98 4x4 chevy blazer 4.3 v6 i cant figure out if i wanna buy a> supercharger or a turbocharger. i heard turbochargers put out more hp> but superchargers are easier to install. anything to sway my decision> would help. Superchargers are easier to install??? If it were me, I would do some reading on the subject. Library books.
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Paradox 15 April 2005 06:06:58 [ permanent link ]
	"Flatline____44" <waker44@hotmail-dot-com.no-spam.invalid> wrote in message newsaOdnZO_soI7esPfRVn_vA@giganews.com...> i have a 98 4x4 chevy blazer 4.3 v6 i cant figure out if i wanna buy a> supercharger or a turbocharger. i heard turbochargers put out more hp> but superchargers are easier to install. anything to sway my decision> would help. Find whichever one you can get as a kit, I think the old Typhoon and Syclone S-10/Sonoma's had turbo'ed 4.3's, but don't quote me on that.
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Phillip Schmid 15 April 2005 06:11:33 [ permanent link ]
	"Flatline____44" <waker44@hotmail-dot-com.no-spam.invalid> wrote in message newsaOdnZO_soI7esPfRVn_vA@giganews.com...>i have a 98 4x4 chevy blazer 4.3 v6 i cant figure out if i wanna buy a> supercharger or a turbocharger. i heard turbochargers put out more hp> but superchargers are easier to install. anything to sway my decision> would help. Both're pretty hard to install from what I hear. Turbos have to spool up, but there're many different things you can do to play around with them. Get a smaller turbine and it spools up quicker, but less gain and vice versa. Turbos are more efficient because they're run off exhaust gasses while superchargers are run off the engine. There're different kinds of superchargers too, some put out a constant boost, others increase as the engine speed increases (I THINK this is right but I'm not 100% sure on it). Either way you may have to tap the oil pan to get oil to the charger (this is more common with turbochargers then superchargers). And Paradox is right, the Syclones and Typhoons had turbos. Myself, I'd look for a kit with a self-oiling charger and go either way.
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Paradox 15 April 2005 06:36:33 [ permanent link ]
	"Phillip Schmid" <SchmSte8@hotmail.com> wrote in message newspF7e.19096$215.16644@tornado.rdc-kc.rr.com...> "Flatline____44" <waker44@hotmail-dot-com.no-spam.invalid> wrote in message> newsaOdnZO_soI7esPfRVn_vA@giganews.com...> >i have a 98 4x4 chevy blazer 4.3 v6 i cant figure out if i wanna buy a> > supercharger or a turbocharger. i heard turbochargers put out more hp> > but superchargers are easier to install. anything to sway my decision> > would help.> Both're pretty hard to install from what I hear. Turbos have to spool up,> but there're many different things you can do to play around with them. a smaller turbine and it spools up quicker, but less gain and vice versa.> Turbos are more efficient because they're run off exhaust gasses while> superchargers are run off the engine. There're different kinds of> superchargers too, some put out a constant boost, others increase as the> engine speed increases (I THINK this is right but I'm not 100% sure on it).> Either way you may have to tap the oil pan to get oil to the charger (this> is more common with turbochargers then superchargers). And Paradox is right,> the Syclones and Typhoons had turbos. Myself, I'd look for a kit with a> self-oiling charger and go either way.> Heres a kit, its a centrifugal style supercharger instead of roots style like on the 3800SC Impala/Monte/Prix, which means you can intercool it, (really only needed at 10-12+psi....) http://store.summitracing.com/?target=partdetail.asp&part=PWA-K10525-101&N=100+400215&Ntk=P_ManufacturerPartNumber&Ntt=K10525-101 And for around $2500 thats a good deal.
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Steve Fun 15 April 2005 07:19:58 [ permanent link ]
	On Thu, 14 Apr 2005 16:59:02 -0500, waker44@hotmail-dot-com.no-spam.invalid (Flatline____44) wrote: i have a 98 4x4 chevy blazer 4.3 v6 i cant figure out if i wanna buy a>supercharger or a turbocharger. i heard turbochargers put out more hp>but superchargers are easier to install. anything to sway my decision>would help. 6 of 1, 1/2dozen of the other: Turbo uses the still expanding exhaust gasses to drive the impeller to compress the incoming air. This is the source of the turbo lag and the imparting of heat to the intake compressed air. Lag can be mitigated with variable vane turbo's and alternate sized twin turbo setups. The imparted heat can be reduced with an inter cooler. But the increased intake heat combined with higher combustion pressures will require knock sensors and a seriously strengthened bottom end for reliability at higher pressures along with hardened valves etc. With a Turbo you can easily run from about 7-30 PSI of pressure (whether the engine can survive those pressures is another matter). Superchargers provide quick response power, impart less heating of intake air (all air that is compressed does heat however) and requires less plumbing. However, Superchargers constantly drain power (if you are using them or not), Superchargers can be noisy (esp roots types at higher pressures). It is not as important but if you want an inter cooler your choices are more limited (eg water to air), superchargers also require clearance on the top of the engine as well as a drive belt source location (Turbo's can be more conveniently located). There's many many other issues with both systems that aren't listed here. But you've got to ask yourself this: How much power do you need? How much can you afford to spend? Would you have room to install a small block? (say a nearly new, used Vett engine)? You can get quite a bit of power out of the 4.3 even without added air pressure, would you be willing to port, polish, balance & blueprint & further tweak your present engine? Turbo & Supercharging is best the domain of vehicle manufacturers looking for more power from smaller engines. There is no substitute for Cubic inches. If it were my money (which it isn't) I'd go for a light weight small block and squeeze it in. It will be the most reliable, most efficient route to go. that's my 2 cents.
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RJ in WV 15 April 2005 07:22:25 [ permanent link ]
	"Flatline____44" <waker44@hotmail-dot-com.no-spam.invalid> wrote in message newsaOdnZO_soI7esPfRVn_vA@giganews.com...>i have a 98 4x4 chevy blazer 4.3 v6 i cant figure out if i wanna buy a> supercharger or a turbocharger. i heard turbochargers put out more hp> but superchargers are easier to install. anything to sway my decision> would help.> Just drop a V-8 in it. Direct swap, and about the same cost. RJ in WV
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CarGuru > General Motors > turbo or supercharger 15 April 2005 07:19:58

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