Got EBL?

[[MacGyver]]

I want one..... I think i might go buy a charger just to buy this EBL thing......

Lemme see what i can come up with....

Mac

[Ksig]

Zip:

You answered the first part of my question, but I'm still wandering what types of loss I might see by running 6 psi on your system with a higher boosted pulley. One of the reasons for this question is I'm thinking about getting the EBL and stepper pulley, but running 6 pounds around town and higher boosts when needed and I want to know if I'm gonna see a noticable drop in performance from running 6 psi without the smaller pulley and EBL. Thanks again for making such a usefull product.

[Syncro]

ZIP

How does the EBL regulate boost?? Does it control the JR bypass valve?

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'99 GS-R, JRSC 6 psi, DC 4-2-1 Headers, Type R Cat-Back Exhaust, JR HO Fuel Pump, Cold Plugs, J&S Ultra Safeguard v.2, JR MAP Converter, H&R OE Sport Springs, Stock Rims, Michelin Pilot 205/50/15 Tires - Yes, its a SLEEPER!

[Sonnyballs]

<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Syncro:
ZIP

How does the EBL regulate boost?? Does it control the JR bypass valve?

<HR></BLOCKQUOTE>


Yes.

Sonny


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Sonny Van Hook ([email protected])
2000 Supercharged Civic Si @ 6psi
1999 Tonykart/Honda 80cc Shifter

[zip]

<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Ksig:
Zip:

You answered the first part of my question, but I'm still wandering what types of loss I might see by running 6 psi on your system with a higher boosted pulley. One of the reasons for this question is I'm thinking about getting the EBL and stepper pulley, but running 6 pounds around town and higher boosts when needed and I want to know if I'm gonna see a noticable drop in performance from running 6 psi without the smaller pulley and EBL. <HR></BLOCKQUOTE>

I'm not too sure what your asking but the EBL was made to accommodate higher boost pullies not the stock 6psi pulley. Usually the SC is already equipped with 10-12lbs of boost, but the driver wants to lower boost driving around town for better motor longevity and fuel economy.

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Mods

[This message has been edited by zip (edited July 30, 2001).]

[Ksig]

Sorry about the confusion in my question. Let me see if I can restate it. It might take more space to explain. The way the EBL works is by opening and closing the JR bypass valve just enough to allow the right amount of boost levels. Therefor, if you are running the charger at 9 psi it is obviously moving much faster and creating more heat. Now I know that if you were to be running the boost level at lets say the stock 6 psi with the EBL and a 9 pound pulley some of the air is entering the engine through the bypass valve (cooler air) and some through the charger (hotter air). Now the air that is going through the charger is hotter then if is was running at the stock 6 psi speed but it is being mixed in with cooler air that is coming in through the bypass valve. So my question is will the mix of hotter air and cooler air be aproximately the same tempature (performance) as if there was no 9 psi pulley and EBL, just a 6 psi pulley. A way of testing this would be to dyno a car running stock 6 psi then put on a 9 psi pulley and EBL and then dyno with the EBL set at 6 psi.

[The ANTI-RICE]

<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Ksig:
Sorry about the confusion in my question. <HR></BLOCKQUOTE>

wow, good question though!

Tony

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Dont believe me.......Check it out for yourself at http://www.etrscca.org

[zip]

Oh okay, I get what your asking now. The answer is no, the heat rise at 9psi of boost would be less than boost at 12psi. Though the charger is moving faster the pressure is still equalized in the manifold by the bypass valve. Since the roots is a positive displacement compressor it displaces the same amount of air per revolution. The heat rise comes from cramming the air in the manifold unlike a turbo compressor. It's the same principle as barely driving at positive pressure at high rpms. Will the intake charge be as warm as in full boost conditions, of course not. The law of thermodynamics would state that the heat rise at 9psi would be less than 12psi.

In real world testing, I previously had the 4.0" (8psi) pulley for the B16 for over a year and stepping up to the 3.8" (10psi) pulley in the recent months hasn't increased detonation. Since I have the timing and fuel delivery tuned, I get no activity from the J&S V1. For an impartial opinion, I'll ask NuSier to reply to this thread. He's had the the EBL installed with the 3.8" pulley for ~5 months now since changing over from the 4.2" (OE) pulley.

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Mods

[Boyd B]

its cool you can have the best of both world's jrsc and nos,you can run high boost,then if someone is giving you a tough challenge lower the boost and hit the bottle on them.

[NuSiEr]

Ksig: I think i understand what you're asking. You want to know what is the difference in power between a stock JR 6lb pulley compared to a 9lb pulley running at 6lb's with the EBL. Sorry, I can't answer that question because i never did a before and after dyno. I was having lots of detonation issues with the initial s/c install, so i needed to address that problem first.
Zip's EBL unit really helped in that department. With all the features provided in his unit, i was able to cure ALL of my detonation problems AND up the boost. The TPS feature w/o a physical relay helped a lot because it cured the de-bouncing problem. (Thanks Rafe!)
I'm currently running 8lbs daily and 10lbs max with no problems at all.