E-Cool in operation

[Tom @ Fast Forward]

Brrrrrrr :) (http://www.FastForwardSuperchargers.com/Brr.wmv)

[socal pat]

It's sheer trickery I tell you!!

[eunos1800]

Hi Tom,

Where are you measuring the intake temp?

The reason i ask is on my WI i have noticed that if the intake temp sensor is mounted after the WI the meth/water will soak/saturate the sensor giving false readings.

From my experimentation the best datalogging is to be gained from CHT, EGT.
By far the best point of reference i've found so far though is timing advance when measuring intake temp effects coupled with some type of fluid injection.



Cheers
Mark

[Tom @ Fast Forward]

The sensor is in the intake manifold and shrouded from any spray.

[FormerDatsun510Man]

I was over at Tom's place on my way back from California. I can say now without hesitation that E-Cool works. I base this on the fact that both his Coldside (non-intercooled :biggrin:) and my Hotside are running identical 130/65 pulley ratios. Both of our setups were without ping at WOT... and I will tell you that the combination of Arizona 91 octane gas and 115 deg F ambient temps is a real test!!! The fans on my hotside gave out and I replaced them with quality units and removed the flat plate shroud, and mounted straight to the back of the radiator. That combined with a 180deg thermostat seems to have solved all the overheating problems I had... again that heat out west is a real test!!!

Anyway, I can say for certain that if I tried running my 130 pulley non-intercooled that it would ping like hell, even on 93 octane over here in Louisiana. There are only two differences in my setup vs. Tom's. One, his has E-Cool, two his is a Coldside. I think the Coldside design itself may be helpful in having a higher ping threshold, the blower is mounted on the cool-side of the engine and Ari's cold air intake is a great design. However, I recall back in my former tuner days that the Coldsides would ping on a 105 pulley without E-Cool and on 93 octane. Thus, the fact that Tom can run a 130 pulley, 91 octane and not get ping in the middle of the desert tells me E-Cool is doing quite a lot.

The only negative thing I can say is that his Coldside doesn't feel as strong as my Hotside on the street with the same pulley. However, his engine has 150K miles on it, much of it as a test guinea pig and most of it boosted. I really like the finished look of the Coldside under the hood far better than my Hotside. The fact that it doesn't ping and has nothing blocking the radiator is a big advantage IMHO. I thought I would never say this two years ago :biggrin:, but I think I am going to try the E-Cool method on my R4 Hotside and pull of the FMIC and see how it does on the street. If all looks good I will then dyno test it and perhaps try it like that at a track day even coming up in November. If all that goes well, I think I will be up for a Coldside conversion...

Tom, I want to thank you again for your generosity during my stay at the official FFS headquarters :). I felt like I was treated like family.

Bill

[Tom @ Fast Forward]

Your 250WHP to my 220WHP might, just might, make yours feel stronger up top. :)

Glad you made it home OK and the new fans did the job.