Supercharged C3
Race Director
Joined: Mar 2001
Posts: 11,322
Likes: 1
From: Living in the Hartland
Re: Supercharged C3 (69side)
http://forums.corvetteforum.com/zerothread?id=333805
I still think with some creative plumbing it can be done. Eliminate the stock fan and shroud and it opens up a lot of space in front of the engine.
[Modified by Fevre, 10:22 AM 7/12/2002]
[Modified by Fevre, 10:22 AM 7/12/2002]
I still think with some creative plumbing it can be done. Eliminate the stock fan and shroud and it opens up a lot of space in front of the engine.
[Modified by Fevre, 10:22 AM 7/12/2002]
[Modified by Fevre, 10:22 AM 7/12/2002]
Race Director
Joined: Mar 2001
Posts: 11,322
Likes: 1
From: Living in the Hartland
Re: Supercharged C3 (gdh)
Greg
Keeping the short water pump you might be able to mount the charger unit backwards and down in the open area then route the 'duct' work up and qround to the enclosure. Vorteck sells just the enclosure so really you could use any super charger unit you wanted as long as you could make the duct work work. I wish I had the skills and tools to under take this. Maybe in the future.
Keeping the short water pump you might be able to mount the charger unit backwards and down in the open area then route the 'duct' work up and qround to the enclosure. Vorteck sells just the enclosure so really you could use any super charger unit you wanted as long as you could make the duct work work. I wish I had the skills and tools to under take this. Maybe in the future.
Race Director
Joined: Mar 2001
Posts: 11,322
Likes: 1
From: Living in the Hartland
Re: Supercharged C3 (Twinnie)
Twinnie
Is that your setup and if if so looks like a winner! Can you run down some of teh details? Like is it s kit (guessing not), what supercharger and carb fitting is that?
:cool:
Is that your setup and if if so looks like a winner! Can you run down some of teh details? Like is it s kit (guessing not), what supercharger and carb fitting is that?
:cool:
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Race Director
Joined: Mar 2001
Posts: 11,322
Likes: 1
From: Living in the Hartland
Re: Supercharged C3 (Twinnie)
Ah yes I recall seeing that beast a time or two. Is that plastic wrap on the block during a mock up? Looks like it would be interesting to tune but fun to drive.
Race Director
Joined: Dec 1999
Posts: 16,945
Likes: 9
Re: Supercharged C3 (Fevre)
I dunno, I planned on building a 6"rod 350 but have changed my mind to a 406, only drawback is I can't find a suitable 400 block here except for the one a guy is willing to partwith for 700 bucks...
Marck
Marck
Race Director
Joined: Mar 2001
Posts: 11,322
Likes: 1
From: Living in the Hartland
Re: Supercharged C3 (Twinnie)
What about a 383 or 396 in the 350 block? I don't where to get the crank for the 396 but you can get forged 383 cranks from a lot of places. The 406 would be great though.
Race Director
Joined: Dec 1999
Posts: 16,945
Likes: 9
Re: Supercharged C3 (Fevre)
Nah, don''t want a 383. Maybe I'll do a destroked 400 for revs too. Not sure yet. Still need to find a suitable block. I'll build up this one first but I will defenitely change it later on.
Marck
Marck
Le Mans Master
Joined: May 2000
Posts: 6,493
Likes: 6
From: Bloomington MN
Cruise-In II Veteran
Re: Supercharged C3 (RatRacer)
The problem with that setup is it pressurizes the float bowls of the carburetor. This causes all kinds of drivability problems.
AC
Safety Car
Joined: Aug 1999
Posts: 4,862
Likes: 118
From: Texas
Re: Supercharged C3 (A C)
Sure, the float bowls of any carburetor are vented above the venturis. These vents are at atmospheric pressure. When the blower plumbing is installed in lieu of the old air cleaner, these vents are now put under boosted pressure. Carburetors are not intended to operate this way and it makes the jetting unstable as boost increases and decreases with various loads and rpms. This is why you rarely see centrifugal blowers used with carburetors. It doesn't work well.
A roots style blower, on the other hand, works with a carburetor because the carb sits on top of the blower. This way the vents are vented to atmosheric pressure and the fuel in the bowls is stable regardless of how much boost is happening below the carb.
A roots style blower, on the other hand, works with a carburetor because the carb sits on top of the blower. This way the vents are vented to atmosheric pressure and the fuel in the bowls is stable regardless of how much boost is happening below the carb.
