Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

Throttle Bypass Mod

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Old Oct 2, 2006 | 09:59 AM
  #1  
JolleyRanchaMan's Avatar
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From: South Jordan, Ut, Salt Lake
Default Throttle Bypass Mod

Right now I am pretty broke until next friday and am just looking for simply mods right now. Is anything on this page worth while, I am considering the final mod but dont know the risks of doing it. I am just looking to get the most power out of my stock motor until next year when I can do the engine build up and turbo. http://www.ultimateresourcegui....html
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Old Oct 2, 2006 | 10:34 AM
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Default Re: Throttle Bypass Mod (JolleyRanchaMan)

well i tried to do this, when i was wait to get all the parts for my b18c swap, and the days for my little HX motor were actually numbered.

i ditched the cat/header, did the throttle heater line off, ditched the egr **** with a block off plate, ditched p/s, ditched a/c, and kicked the charcoal can out.

but the throttle body coolant line, youl prolly need a longer hose by like 8 or 9 inches( really rough guess) and you remove the line from the throttle to the iacv. and connect the line that did go into the throttle body to the IACV. but you may have to readjust your idle to lower, since youll be idling like you are always cold.


HERES A DIAGRAM I JUST MADE IN PAINT


but yeah i could really only feel a difference when i took off the power steering. it felt smoother and peppier. plus i love the way it feel
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Old Oct 2, 2006 | 11:12 AM
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it keeps the ib cooler?
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Old Oct 2, 2006 | 11:43 AM
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Mista Bone's Avatar
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Dyno tested in 1999, no power gains, just a messed up idle.

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Old Oct 2, 2006 | 12:07 PM
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Default Re: (Mista Bone)

well if you were to dyno test it you would have to let the cool down for SEVERAL hours. i have had the mod done, and the IM is much cooler with it off. so doing hte tests "back-back" would be pointless

if you catch my drift
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Old Oct 2, 2006 | 12:20 PM
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sounds interesting, anyone else do this?
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Old Oct 2, 2006 | 01:29 PM
  #7  
JolleyRanchaMan's Avatar
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From: South Jordan, Ut, Salt Lake
Default Re: (type B16)

So I am getting mixed feelings, I am not the best at tunning would it be difficult for an average joe to adjust his idle? If you can tell me how to adjust it on the stock throttle body that would be great, I have tuned many carbs on dirt bikes but never a car.
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Old Oct 2, 2006 | 02:10 PM
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Ive done this, for some reason, when i first did it like a year ago, it felt like a huge jump, but really to make your car more reliable, keep them on!! i just put my coolant lines back on, and absolutely NO diff. Its not a good mod to do, unless you have a hondata IM gasket
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Old Oct 2, 2006 | 04:02 PM
  #9  
Mista Bone's Avatar
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Default Re: (SkankyEJ7)

Several Hours huh, try 45-60 minutes for lunch while the fans are on, plus the fan for the car while on dyno.

Water temp has to be 170 degrees F before the ECU gets out of cold start mode, by that time everything is heatsoaked.

Also played with using a ball valve to adjust the flow, still no change in power output.

Made 25-30 pulls that day, some people still believe the bullshit that don't work.

Simple setup, D15B7 making 118 whp with just IHE, Sept 1999.


Now if you had a Mustang or a GM TPI, icing the intake helps.......not a Honda......

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