I was in a meeting for 6 hours today...

"Bandit" (2bandit) 06/25/2014 at 15:09 • Filed to: Bandit at work

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For the longest time I couldn't figure out how I knew the name of this one company that sent representatives (Eaton). Then it hit me, they make superchargers! I don't know why you guys need to know this, but now you do. Can I request a sample charger that fits a Pontiac 400... you know, for research ?

lone_liberal > Bandit 06/25/2014 at 15:11

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They make all sorts of locking differentials too. You might need to research those as well.

Jake - Has Bad Luck So You Don't Have To > Bandit 06/25/2014 at 15:12

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Yup! Been wanting to buy an Eaton M90 for my car for a while, but the cost of the supporting mods for one is a bit high.

Audi-os, Amigos! > Bandit 06/25/2014 at 15:12

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Does a supercharger work by having a belt drive an air compressor?

Totally not the place to ask, but I figured you'd know.

Arch Duke Maxyenko, Shit Talk Extraordinaire > Bandit 06/25/2014 at 15:12

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Eaton makes a lot.

Brian Silvestro > Bandit 06/25/2014 at 15:12

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wörk wörk wörk

BoulderZ > Bandit 06/25/2014 at 15:12

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They make a lovely assortment of differentials as well. I put one of their TrueTrac diffs in my truck this winter. Really nice stuff. I like your thoughts on the Pontiac research...

Bricks > Bandit 06/25/2014 at 15:12

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I was just thinking about throwing a m90 in a ford mustang v6 this morning, I ended up trying to fall asleep a little bit later and came up with the wild notion that rupert murdoch does great supercharger installations.

YSI-what can brown do for you > Audi-os, Amigos! 06/25/2014 at 15:16

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Yes, that is exactly how it works!

YSI-what can brown do for you > Bandit 06/25/2014 at 15:16

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Eaton be eaton up all your cash. Bad puns are the best puns.

davedave1111 > Audi-os, Amigos! 06/25/2014 at 15:25

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Technically, a supercharger is just a device for forced induction. A turbo is a type of supercharger - originally called a turbo-supercharger, the 'turbo' part came from the addition of a turbine to drive the compressor. Unless specified otherwise, the default 'supercharger' is left for compressors driven from the crank, normally by belt-drive.

mcseanerson > Audi-os, Amigos! 06/25/2014 at 15:26

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It's good to ask questions. Otherwise your knowledge crystalizes and you don't know the difference between a supercharger and a turbocharger, like my dad.

Audi-os, Amigos! > mcseanerson 06/25/2014 at 15:29

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Hahahahahahaha.

Turbo charger uses exhaust gas to spin a turbine, which is used to power an air compressor. This is why we experience "turbo lag" - because the higher the RPMs, the more exhaust.

Supercharger uses a belt to drive an air compressor. This is why superchargers deliver more power at lower RPMs than do Turbos - because the air compressor is linked directly to the belt drive.

^^^Is that all correct? That's the summation of my knowledge of the two!

mcseanerson > Audi-os, Amigos! 06/25/2014 at 15:38

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Simple answer: yes. Complicated answer: It's complicated. I don't know enough about superchargers to go into detail and I know enough about turbochargers that I don't know enough to explain them.

Bandit > Audi-os, Amigos! 06/25/2014 at 15:45

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Asking questions is how To learned, so never be afraid to ask. Everyone else has already answered though.

Clown Shoe Pilot > Audi-os, Amigos! 06/25/2014 at 15:45

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you're gettin' it.

turbo lag is most noticeable in big ass single turbos. you need a fair bit of exhaust to get them spun up initially. so, you put the hammer down and make some exhaust which gets the turbo spinning a little. Then once they're spun up a little and you're making some boost, you get more exhaust. More exhaust spins the turbo faster, giving you even more boost. You get a nice positive feedback loop until it all ends with a dead dentist wrapped around a telephone pole, encased in painted steel that looks like it MIGHT have been a 911 once upon a time.

the supercharger gives you boost at lower RPM (depending on how it's geared - a popular mod on the supercharged MINI is to change the pulley diameter to make even MORE boost at lower RPM) but has its own disadvantage at higher RPM - you could be using a whole bunch of HP just turning the compressor.

A cool solution could be twincharging - put a turbo and supercharger on the engine. Then, put a clutch on the input shaft of the supercharger so that once you're in the boost on the turbo you can cut the supercharger loose. everybody wins!

Bandit > Arch Duke Maxyenko, Shit Talk Extraordinaire 06/25/2014 at 15:47

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They do! They are a partner in some research my university is doing on Diesel engines... Not as cool as a superchargers though

Frank Grimes > Bandit 06/25/2014 at 15:48

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you should make your firebird supercharged with an eaton chain driven clutched drive also add 4wd somehow not lifted just 4wheel drive.

Audi-os, Amigos! > Clown Shoe Pilot 06/25/2014 at 16:01

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Awesome explanation, I appreciate it.

Bandit > Frank Grimes 06/25/2014 at 16:03

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How about I just steal the drive train out of a Ferrari ff?

Frank Grimes > Bandit 06/25/2014 at 16:04

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too expensive also you need a big block pontiac maybe use tornado drievtrain adapted to pontiac motor probably easy to do or two motors.

Bandit > Frank Grimes 06/25/2014 at 16:06

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Ah but you see, Pontiac never made a big block. Even the 455 was a small block. So Nissan GtR drive train it is then.

Frank Grimes > Bandit 06/25/2014 at 16:10

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dont you will go to hell. why not a 455 that is a big block. actually find one of these 389 with the cams.

Bandit > Frank Grimes 06/25/2014 at 16:15

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Because I don't want to put another chevy motor back in my Trans Am unless it is preceded by the letters LS. Is that a DOHC 389?

BJohnson11 > Bandit 06/25/2014 at 22:58

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6 hours? Brutal. Eaton makes sooooo much more than car stuff, but still cool! I'd say their automotive part of the company makes up maybe 5-10% of their sales.