So im doing a twin turbo set up on my iroc and was goin to go the blow through route. Looking for suggestions on carbs and what not. What u guys out there running. Would love some helpful input guys!

 

CSU blow-thru carb is the way to go...If you dont have the cash for that, then u need to start searchin and reading and hope that u can modify and tune carb urself for blow through operation...Good luck.
I plan to do the same with my car if stick this vortec setup....These are my 2 best options....So pick which one suits yours skills and budget the best.

 

Well thats one of the main reasons im goin with a carb is because the cheapest EFI i could find was gonna cost me over 3 grand when its all said and done with...now im decent when it comes to tunin a regular carb...but what is different when doin a blow through carb if i was to modify one myself?

 

csu did mine and i couldnt be happier a little finicky at first but a little tunin went a long and i mean long wayand there cust support was top notch

 

kevin at csu did my e85 850 and it works great.

 

look into megasquirt, u can be efi for a few hundred using megasquirt, its very easy to tune and setup, and the support on the megasquirt forums is top notch

 

U need to go search over on www.turboforums.com

 

i had CSU modify my 750 and with only a jet change its running great. no track numbers yet...hopefully first thing this spring with a new shortblock built for boost.

sort of simple compared to some of the efi timing capabilities and fuel programming, but i use a MSD 6AL BTM to retard timing and an aeromotive boost-referenced fuel pressure regulator to up fuel as the boost comes on and i couldnt be happier. pretty simple and straight forward but it works great on my blowthru.

Good luck!

 

go to www.turboforums.com and search under the blow through section. You will find dozens of people actually doing what your asking about.

 

I'm selling off my proform 750 carb setup for blow thru along with the extreme velocity carb hat and spacer in the highly polished version with o-rings. Both were basically used for mockup and I took the car to one car show on a trailer, so it has under 3 miles on everything. If you're interested shoot me a PM. I'm swapping combos and sold off the twin turbo kit already, and I need to get a 950 carb now.

The carb is sitting in the original box, etc. I also may still have the twin turbo intercooler sitting on one of the shelves at the shop too if you're interested in buying it all I'd give you a good price.

 

I third searching on theturboforums. Blow-through works, but so does megasquirt.