yea thanks for the info! I was deffinately considering the snow water/methanol injection system aswell as an intercooler which is another consern of mine. would i be better off with 2 smaller individual intercoolers then y pipe them together before the carb or would it be be better to have them merge before 1 larger intercooler? i would think there would be more surface area through 1 large intercooler making for a denser charge but would there be any loss in psi? also going to a lower or higher psi would require adjusting the blow off valve and retuning the carb right? or is there more i would need to do?
You want an open plenum single plane intake or else you will have fuel distribution issues.
you do not need an intercooler, on carbed turbo apps the fuel atomizing dropps the intake charge significantly. Yes you can use one, however most dont.
Fuel pump and fuel system is most important. You basically have two choises and A1000 or a magnafuel pro star 500. You will need a boost referanced pressure regulator, you will need a blow trough modified carb.
Boost adjustments are made with the wastegates, not the blow off valve.
The blowoff only dumps the pressure between shifts, the wastegates change set PSI.
turbomustangs.com is your best bet for info... IF you dont want to go to a mustang site cause your a chevy die hard. thats ok cause they now redirect you to theturboforums.com The new address for turbomustangs.com.
Although I dont know much about blow thru turbo setups, or much about turbo setups in general, I have been reading alot at www.theturbofourms.com and for blow thru stuff they regard c&s specialties and csu very highly as far as carbs go. check out that site and you will be able to read and study until your eyes bleed about turbo's.
72 Nova SS, Plans have changed a little:artmorrison front subframe, and rear 3 link, pretty much stock ls1 and six speed with a single turbo for around 550hp. with a few other things mixed in.
current cruiser: "The green machine"
'70 Impala 4drht, 26K original miles, 2" drop springs and large swaybars, drives pretty good for a land yahct
and why do we modify everything...."BECAUSE STOCK SUCKS"
The chances of a "carb" turbo system giving the same results as a "port" injected system for a lower cost
may not be possible.
I would be glad to help prove that an EFI system, using some common "used" items may cost less.
A test case : the engine choice, first, which year SBC ?
Brian Hobaugh SCCA National Tour June 2014
First Hemi 'Cuda Convertible Ever Built
Short clips: Goodguys Pleasanton autocross and pit videos
The chances of a "carb" turbo system giving the same results as a "port" injected system for a lower cost 
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