The lightning guys are seeing 8lbs stock and up to 19lbs with different pulley combinations. So i suppose it will make a good 19 too.

Right now its enogh boost for my needs.


Oh by the way, the real important thing about this
IT IS COMPLETELY QUIET Flat out you can't hear it while driving idleing or accelerating. As soon as you nail the gas you hear a whinny moan that is just unreal!

 

Remember that our engines are bigger.. but.. any form of intercooling/aftercooling??? got any more or less invested price?

 

I did'nt really spend any more on it,

was considering building a intercooler out of a tranny cooler or old AC condenser the next time i have my intake off.

probally will just develop my own water injection.

Intercooling isn't a nessisity, nice but not needed

 

Well... I gained almost 90rwhp with just the aftercooler... Nahh.. its not needed.. you do not need 90rwhp more right??? With 50rwhp that car can move and take me to the university and stuff... So why put a supercharger on it? let alone..why put a v8 on it?

 

With the Roots style blower (Eaton), wouldn't it be difficult to add an intercooler/ or aftercooler?

 

What the hell are you talking about???

When you build something you make compromizes, one I made was intercooler.

No a intercooler is not needed, check out the magnuson guys they don't use one. Or the hot-air buick guys.

Let me get the bugs out of it and i'll figure something else out that will optimize the blower further. hell i'm making about 100 extra hp at almost 2000rpm less than my car NA, God only knows once i get it tuned out and turn it up to 6000rpm.


In the mean time, i don't need your attitude.. are you just being a sore loser because you said it couldn't be done and I did it?

 

More power to non-conformists and free-thinkers! If we all think the same, we can only expect the same results. Keep on rolling, this is what the thrill of life is about... the unknown.

 

NO... just some sarcasm to demonstrate that an aftercooler and intercooler is very very useful and add lots of gains... I admire what you did... Its what I have wanted all along... Its just to express that the cooling the aircharge is very very important in maximizing the efficiency of something on an engine... Get me now???

with IATs on the 200s which it will create that heat in a blast, its got to go low on timing, very low so you can run more boost and its always better to run cooler air (we all know that.. I think)

Water injection is a good idea for it...

I like the fact that it cretes boost very low... Finally turbo performances

 

Does anyone have any hardcore data on what the adiabatic effecientcy is on differnet blowers? I bought a supercharger guide book hoping to find it and still haven't.

based on my calculations i got around 60% effecientcy @ 5psi.

Ideal = T1 [P2/P1] ^.283

Actual delta T = http://www.automotive.eaton.com/prod...rols/M112.html

Delta Ideal T/ Delta Actual T = Adiabatic Effecientcy.


If anyone can find any data make sure its not comparing the GMC 6-71 blowers of the 50's to the new centrificals. I would like some data on my unit.

i don't see why my unit would be any less effecient than a centrifical, they are not over driven so they should see less mechanical heat. they are not "slicing" the air at such high speeds which should cut down on friction.

 

From what I understand, the Roots style isn't over driven so it is less efficient. It's like starting and riding a bike in 10th gear so it uses more energy. RKrause has some good info on blowers, maybe he'll chime in. TTT for you.

 

If I recall.. adiabatic efficiency is around 50-60% at most vs 72% on centrifugals when not exceeding their efficient point...

The thing is: you get a lot of heat also from the engine as the intake does.. There is a lot of heat everywhere...

The new cobra.. there is a guy that modded it with a kenne bell supercharger and their biggest problem was the extreeme heat...

The car did 603rwhp and ran 11.2@125mph on a 90º humid day... but if I recall it has an aftercooler of some sort... So its an intereting idea... Maybe a vortech aftercooler???? seems a pretty good idea or start.. I dont know.. The vortech aftercooler netted me down around 70-90F lower on intake temps specially when on boost... I could see 200F on some ocasions and I rarely see 120+ now unless I am on traffic for HOURS in which case... you wont be racing...

 

http://www.thrashercharged.com/l67_htm/intercooler.shtm


Here's some info on the L67's(GTP) M90. I assume it can be applied to the M112 also. It has some good info in it.

So I suppose adiabatic efficiency is around 60%.

 

What are you gonna do about a hood?

 

It fits under the stock hood.

Its a firebird too so it really shouldn't have problems on a camaro. We have lower hood lines i believe.


I've got the stock hood on it now.

 

Wow, nice setup then. I didnt think the hood would fit. Nice fabrication. Looks like its gonna put out some massive power. Good idea too.