Regulating a Supercharger

[TT_NS]

how do you regulate the pressure from a supercharger?
Also has any one seen a fabricated setup with a supercharger on a 4G63? (i mean a real supercharger non of the electric stuff)

 

[JessesTalon]

Ghettofied i have seen people drill holes in the charge pipe...

but most ppl do it with pulleys, smaller the SC pulley more boost you get...

 

[JessesTalon]

the type of belts DSM's use your supercharger would take more power than add, and most likely throw the belt every other day, (to skinny)

 

[1stGenRocks]

the type of belts DSM's use your supercharger would take more power than add, and most likely throw the belt every other day, (to skinny)

thats why the supercharger doesnt run off the stock belts. you need to add a belt and another pulley on the crank to drive it.

 

[JessesTalon]

thats why the supercharger doesnt run off the stock belts. you need to add a belt and another pulley on the crank to drive it.

Have you seen how much room the belts have between the engine and strut tower... Umm I think it won't fit...

 

[TT_NS]

Take out the A/C and bolt up the Supercharger there and run the belt off from there like the A/C. thats what i was thinking. It would be cool if they have a BOV that could be controled to stay open a specific amount to controle boost. but then it wouldent be called a BOV

 

[JessesTalon]

So are you think about SC'ing your 91 tsi?

Honestly unless you want to just prove to yourself that it can be done, there is no point, Superchargers rob power, you'd be better off spending money on a decent sized turbo for whatever HP you want.

not trying to knock you on doing somethign different, but if your doing it solely to make power, your wasting your time with it.

 

[tstkl]

wouldn't that uhhhh lower boost... or are you thinking that the recirculated air wouldnt escape through the air filter and instead go back into the super charger and be pressurized again?

 

[1stGenRocks]

theres pic of a supercharged 1g 2.0 nt around here somewhere. i think he mounted it in place of the power steering pump

 

[TT_NS]

well my 91 TSI got stolen a couple weeks ago so im just trying to get back on the horse and do something interesting. I was looking to see if i can find a supercharger that can produce 20 PSI. If so i would look into doing that. I was also talking about that bov as a way to keep the supercharger at a sertain pressure. but i wasent talking about using an actual BOV just one that can be controled some how to open once the SC reaches a sertain pressure so it dosent go over. kinda like a waist gate i guess

 

[TT_NS]

What Supercharger creates more pressure a vortech or a twin screw compressor?

 

[dsm-onster]

Have you seen how much room the belts have between the engine and strut tower... Umm I think it won't fit...

My neighbor has a supercharged ls1 Chevy suburban. And he runs a stock width (1") serpentine belt. It would fit quite nicely.

 

[dsm-onster]

So are you think about SC'ing your 91 tsi?

Honestly unless you want to just prove to yourself that it can be done, there is no point, Superchargers rob power, you'd be better off spending money on a decent sized turbo for whatever HP you want.

not trying to knock you on doing somethign different, but if your doing it solely to make power, your wasting your time with it.

No, no, no. Superchargers add power. They use about 20+ horsepower to drive them but they throw so much air in the engine that it makes up for it and then some more. Beecause of the restriction in the exhaust (about 30 psi of back pressure at peak for the average setup), a turbo "robs" almost as much horsepower according to Corky Bell's book "Maximum Boost", the forced induction bible. I've seen a supercharged 22r Toyota Pickup (2.2 liter 106hp stock) roll out 250 horsepower at a dyno with a supercharger.

Do it! you'll be rare and exceptional. but remember it is relatively easy to turbo your stock engine.

 

[dsm-onster]

What Supercharger creates more pressure a vortech or a twin screw compressor?

Vortech by far... but the twin screw is very good for low end torque which a stock n/a is designed for in the cams and compression ratio. None can go above 22-23 psi. At the current state of engineering the laws of physics prevent it from doing so based on the fact that you have to have a belt from the engine drive it and the engine revs to 7500-8000 rpms. but that is more than enough when coupled with high comression to get you were you would want... you'll need high lift and forged internals to really get what you want out of a supercharger... I say do it and laugh at the guys that sold their n/a's and went out and bought a turbo "for more power". look at this for fuel, timing, water injection, etc. control. I suggest water injection. All my aquaintances that have supercharged setups swear by it. He!!, I'm turbo and have water injection and I swear by it.

 

[napkinthief]

I was going to supercharge my nt, but I decided to go the turbo route since there have been so many before me that did it and I can find help when something goes wrong. I would like to keep being updated on this project, and hopefully you can break some records. What are your goals of the project and is it a street or a track car?

and for anyone whos telling him just to go turbo if you want speed, for speed you can pick up an old 5.0 mustang throw in about 2 grand of bolts ons and itll rip most of the fwds.

 

[napkinthief]

damn this is like the early morning night owl thread rofl, im goin to sleep

 

[dsm-onster]

damn this is like the early morning night owl thread rofl, im goin to sleep

What!!! i've had 5 or 15 beers and I'm feeling conversational.

 

[Stapl3]

There is a twin charged evo 8 making some impressive #'s.

 

[dsm-onster]

There is a twin charged evo 8 making some impressive #'s.

Hey, Stapl3, do you have any links??? I really, raely have been looking into this. I'd love to get any info I can on such a setup... Any info you can shoot out to me would be greatly appreciated...

 

[avw0516]

So do you want to turbo and supercharge your car? It makes an interesting combination to say the least. With the evo he is able to run a huge turbo because the boost from the supercharger can feed the engine and then spool the huge turbo. Also it would make huge power anywhere through the rpm band. Good luck if you try it.

Heres the link to the evo. I think this is an awesome project. http://www.dsmtuners.com/forums/showthread.php?t=180605&highlight=supercharged+turbocharged+evo