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Author Topic: Supercharger  (Read 2849 times)

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pedroMV6

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Re: Supercharger
« Reply #15 on: 19 November 2009, 19:51:18 »

Quote


turbos can handle more power than super chargers,and the restriction you imply would only be a problem if you kept to the standard diametre exhaust

Erm, no not necessarily.
Check out some big power engines (including diesels) and see how many are turbocharged compared to how many are supercharged.




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Kevin Wood

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Re: Supercharger
« Reply #16 on: 19 November 2009, 19:52:48 »

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A turbocharger and a supercharger are not really that different as far as the engine is concerned. Yes, the power delivery will be slightly different and the mechanical challenges of fitting them will be different (driving a supercharger from the crank vs. finding somewhere to mount a turbo).

Remember that a turbo leaches power from the engine as well. It's adding restriction to the exhaust system that the engine must work against. Some of that energy would have been wasted anyway, but not all by any means.


turbos can handle more power than super chargers,and the restriction you imply would only be a problem if you kept to the standard diametre exhaust

The point I was making is that it's not the case that superchargers sap energy and turbochargers give you power for free.

It's also not the case that one will give you more power than the other. It all depends how they are sized relative to the engine, which is not trivial.

Remember, superchargers are the tool of choice for top fuel drag racers. 5,000+ BHP out of a V8?

Quote
Why not just drop in a V8 for that money?

Amen to that. Probably less work and you know for a fact that it'll still be running in 150k miles.

Kevin
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KillerWatt

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Re: Supercharger
« Reply #17 on: 19 November 2009, 20:14:21 »

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Amen to that. Probably less work and you know for a fact that it'll still be running in 150k miles.
And if built properly, it will still be making pretty much the same power/torque levels as what it did when new.
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cem_devecioglu

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Re: Supercharger
« Reply #18 on: 19 November 2009, 20:15:15 »

please ignore the comments on the 3rd picture..





« Last Edit: 19 November 2009, 20:17:33 by cem_devecioglu »
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Kevin Wood

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Re: Supercharger
« Reply #19 on: 19 November 2009, 20:17:38 »

I'd forgotten about that one, Cem.

http://www.steinmetz.no/PressRelease.aspx

Kevin
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Exec

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Re: Supercharger
« Reply #20 on: 19 November 2009, 22:03:33 »

well V8 would be ideal, but i don't want to make such a big changes to my miggy, and i would like to make my engine extracharged - just for fun & to know how complicated it is (or not) :)

i just wanna make a project similar to steinmetz's one, at the beginning as simple as it can be

mrjimbo

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Re: Supercharger
« Reply #21 on: 20 November 2009, 06:27:41 »

Why not just drop in a V8 for that money?     :y
[/quote]


Some of the Holdens had a V8 in them and there was also a V8 with a supercharger on it in a limited edition.

A friend of mine has one of these supercharged V8's that came out of a car that was bought at a salvage auction, he broke the car for spares but kept the engine and is going to rehome it in an Ultima CanAm that he's just bought. The engine has been on a dyno recently and was making just over 600hp and about 375ft/lb of torque with the possibility of making a lot more hp/torque just by changing a couple of pullies.
I'll let you know how things progress with this.

If one of these will fit in a Holden then it can't be too difficult to fit it in an Omega, probably easier and cheaper than modifying the Vauxhall V6 engine when you consider that you'll need Forged pistons to take the extra power and heat produced inside the engine and your cams will need to be reprofiled to work well in a forced induction engine, and would the crank be strong enough to take the extra power ?
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Exec

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Re: Supercharger
« Reply #22 on: 20 November 2009, 07:46:32 »

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I'll let you know how things progress with this.

V8 (from Monaro for example) can be fitted in Omega, there were some projects like that here in Poland, but it is a lot of work...
But i'm still interested in project you mentioned with s/ced V8 :)

Quote
If one of these will fit in a Holden then it can't be too difficult to fit it in an Omega, probably easier and cheaper than modifying the Vauxhall V6 engine when you consider that you'll need Forged pistons to take the extra power and heat produced inside the engine and your cams will need to be reprofiled to work well in a forced induction engine, and would the crank be strong enough to take the extra power ?
the thing is there's no need to get forged pistons etc for making 5PSI or less, all i have to do is fit the s/c, modify the wheels for the new belt, of course make new air intake and ECU. I don't even need the intercooler at this moment, because the air compression won't be too high.

Kevin Wood

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Re: Supercharger
« Reply #23 on: 20 November 2009, 10:50:05 »

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A friend of mine has one of these supercharged V8's that came out of a car that was bought at a salvage auction, he broke the car for spares but kept the engine and is going to rehome it in an Ultima CanAm that he's just bought.

Oh dear. Now I'm starting to get jealous. :-* Awesome cars. If money were no object and I lived somewhere with less congested roads.... ::)

Used to camp at the same camp site as the Ultima crowd at Le Mans. They had some great bar stories. One guy got clocked speeding a couple of miles from the belgian border so he decided to make a run for it. Needless to say the Oostende ferry for the return trip was hastily rebooked.  ;D

Kevin
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