Forced Induction Superchargers | Turbochargers | Intercoolers

E85 with no intercooler

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Old Feb 16, 2011 | 10:34 PM
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Default E85 with no intercooler

Thinking about doing E85 on my twin TC76 build with no intercooler. I know a lot of blow through carb guys do it, so why couldn't EFI?
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Old Feb 16, 2011 | 11:03 PM
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You live in Arizona Buddy, I would like to know the answer to this as well. IAT's are high as it is because of the obvious during the summer, it would suck to get the kit done just to find out you need the IC.
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Old Feb 16, 2011 | 11:53 PM
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The thing of it is, since it is EFI you can't really see how much the fuel spray is cooling the charge. With the blow through stuff the intake stays cold. What about putting the injectors farther up in the runners of my Super Vic? I also my do some pre and post turbo water/meth(windshield fluid) injection.
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Old Feb 17, 2011 | 08:24 AM
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Exactly. The blow thru effect is similar to mounting a meth nozzle before the TB on an injected car. With FI, the fuel doesn't have much chance to effect the IATs. You will be able to run a few more PSI on e85 vs pump gas on the same setup non-intercooled but will still be severely limiting your total power. I'm running e85 and A2W IC which keeps IATs super cool.
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Old Feb 17, 2011 | 09:58 AM
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Yeah, blow through carb is nothing like EFI. If you don't run an IC you should at least do meth injection but that's complicating it when all it needs is a simple IC.
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Old Feb 17, 2011 | 10:23 AM
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I was running 10.7:1 static CR with 8psi of boost, 24* of timing and no IC with no problems on E85

was spraying a little bit of 50/50 meth/water


added an IC this winter though, didn't really have to, just did i guess
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Old Feb 17, 2011 | 11:14 AM
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How much of a pain would it be to get an air to air in the front of my GTO that's 1500hp capable?
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Old Feb 17, 2011 | 11:39 AM
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Good luck with your project.

I have loved GTOs since a couple of my friends got them.
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Old Feb 17, 2011 | 12:54 PM
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Originally Posted by TurboAv
How much of a pain would it be to get an air to air in the front of my GTO that's 1500hp capable?
That's a BIG FMIC! I'm sure there's a way to get it in there but the issue at that point would be getting mass airflow to it...
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Old Feb 17, 2011 | 06:50 PM
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Originally Posted by 93formto98T/A
Exactly. The blow thru effect is similar to mounting a meth nozzle before the TB on an injected car. With FI, the fuel doesn't have much chance to effect the IATs. You will be able to run a few more PSI on e85 vs pump gas on the same setup non-intercooled but will still be severely limiting your total power. I'm running e85 and A2W IC which keeps IATs super cool.
Are you running a heat exchanger, any logs of what your iat's are cruising and wot? Thanks !
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Old Feb 17, 2011 | 08:19 PM
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Originally Posted by droksformula
Are you running a heat exchanger, any logs of what your iat's are cruising and wot? Thanks !
I'm running 2 large heat exchangers which equate to the size of a stock fbody radiator. However I'm sure it's overkill and plan on converting one to an oil cooler. The car is still in the shop so no cruising iat logs yet. On the dyno with room temp water in the tank the iats peaked at mid 60s under WOT. Being that it's a procharger (no heat soak from exhaust gasses), running e85, and A2W IC i'm sure the cruising iats would be "chilly".
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Old Feb 17, 2011 | 08:43 PM
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There is actually lots of room in the front if you remove the crash bar. There is also enough room to get 2.5 tubes down to the sides. I'm trying the treadstone 9" vertical flow unit with a twin 67 427. That's the best off the shelf unit that I know of but its not going to support 1500. You will need a good core such as Bell with good designed endtanks and a vertical core so you can route it right to the Tb over the radiator. You could go through the framerail but the less 90's the better off you are.
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Old Feb 18, 2011 | 10:23 AM
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What makes the Treadstone better than the CX Racing intercooler?
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Old Feb 18, 2011 | 10:39 AM
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The CX racing unit is rated at 700 CFm and 600-700 crank hp. Outlet is positioned to go around through the framerail or around in the fenderwell.

The Treadstone unit is rated at 1950 CFM and rated at 1300 crank hp. Core is 1" wider and 2" higher. It also offers the 15 degree angle with the outlet in the ideal spot to go over the radiator in a GTO. I believe the Treadstone also has an inner fin bar and plate design that the CX may not.
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Old Feb 18, 2011 | 02:34 PM
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Originally Posted by LS1NOVA
The CX racing unit is rated at 700 CFm and 600-700 crank hp. Outlet is positioned to go around through the framerail or around in the fenderwell.

The Treadstone unit is rated at 1950 CFM and rated at 1300 crank hp. Core is 1" wider and 2" higher. It also offers the 15 degree angle with the outlet in the ideal spot to go over the radiator in a GTO. I believe the Treadstone also has an inner fin bar and plate design that the CX may not.
You are looking at the wrong CX Racing intercooler. The one I'm looking at has a 27x9x3.5 bar and plate core. With a center top outlet. Just like the Treadstone. The Treadstone core is smaller at 25x9x3.5. So why is the Treadstone double the price? They are both probably made overseas.

http://www.treadstoneperformance.com...2C+GM%2C+Viper

http://www.cxracing.com/mm5/merchant...gory_Code=INCO
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Old Feb 18, 2011 | 03:02 PM
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Yes I was. That one looks ok, but I dont like the squared off end tanks. Kind of like a log manifold, lots of turbulance.

Treadstone does not manufacture their own cores but they are manufactured in America and they claim to be very similar to Bell or Garrett. Cant say that for CX racing.

http://www.treadstoneperformance.com...install-16.pdf

Ive used both brands. I dont have any actual intake air temp or pressure drop comparisons but the Treadstone is a quality piece IMO. I think its worth the extra.
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Old Feb 18, 2011 | 03:05 PM
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Oh yeh I forgot, thats going to be one BAD *** GTO!
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Old Feb 18, 2011 | 08:20 PM
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Originally Posted by LS1NOVA
Oh yeh I forgot, thats going to be one BAD *** GTO!
I hope so, lol.
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