SC14 + 2l motor?

[FST4RD]

Whilst people are on the subject of the sc14, I'm considering supercharging my starion, not for power but mainly for the responce and mainly the noise....
I know they came out on 6cyl cars and this would be going on to a SOCH DASH motor.
Do people think this would be suitable?

[Crampy]

Yep, it'd go well.
People put them on Nissan SR20 motors (2litre) and V6 Commodores (3.8litre)

The amount of boost it'll run will depend on the pulley ratio, but remember not to rev the supercharger higher than 11,000rpm, as they tend to die at those speeds.

[FST4RD]

What sort of boost would it produce at 11,000rpm?

And is 8psi supercharged the same as 8psi turbo charged? Assuming everything else is identical?

[RedMist]

Rootes superchargers arent efficient at higher RPM. They create high temperature and parasitic drag when they are out of thier efficiency zone. You can regear one to produce boost at higher RPM but they don't have the same RPM range as a turbo. With modern turbos low spool time negate most of the advantages of a supercharger.

[FST4RD]

Yeah i'm not big into thrashing my car and revving the crap out of it... so some instant lo-range boost would be perfect.

[RedMist]

Yeah i'm not big into thrashing my car and revving the crap out of it... so some instant lo-range boost would be perfect.

Not into reving the crap out of it? 11,000RPM??

You wouldnt be able to tell my Nissan is turbocharged. That's if you didn't hear the turbo's whistle in your ear or the recirc BOV's hissing. Power is beautifully linea with almost zero spool time. I'm sure with a suitably small turbo and a high CR you'll have instant lo-range power.

[FST4RD]

I mean the motor, not the SC.
Full boost about 2300rpm in the starion... but the SC obviously from idle.
Really just the noise and more instant boost i'm looking for.

[Adamal]

Pound for pound, so to speak, they aren't the same.

Turbo's make sure of the flowing and expanding exhaust gasses which would otherwise be wasted to produce the power needed to force more air in.
While there is still a 'parasitic' loss due to engine having to force air through the turbine housing (its not an 'ideal' flow path situation), its still not as great as the parasitic loss from a supercharger, which is driven directly from the engine, and doesn't use any excess energy waste to drive it.

Also, they have different aedibatic efficiencies (Don't quote my speeling!).
What that is, is when you compress air, a byproduct of it is heat. Hence why turbo'ed cars are intercooled.
In an ideal situation, 100% aedibatic efficiency would result in the air temp after compression being the same as the air temp before. Which can't happen.
The roots type S/C's are usually good for around 60%, where as modern turbo's and twin screw S/C's are good for around 75%.
And of course, the intake temp is also going to have an effect on the power made from the pressure made.

If you're not looking to make serious power, then go for it. It'd definatly be a fun car to drive. Just don't expect big numbers from it

[FST4RD]

Yeah not in it for the power.....
Will be intercooled and want reliability so not going to go overboard.

[barryogen]

I love frankinmotors... and the SC14 is so well suited for it.