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Old 05-23-2011, 11:04 PM   #1 (permalink)
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1 set of free civic CRX VX CX or HF upgraded 4-hole fuel injectors

I currently have a set of these upgraded 4-hole Bosch injectors for my HF but I don't drive enough to get good FE improvement readings. I do notice easier starts and smoother acceleration. I have 1 free set available for someone on this forum willing to install these and keep a log on FE improvements (if any) and then post up detailed results. This injector set will drop right into any 92-95 VX, CX or HF engine. These are rated @ 200cc per minute and well within the ecu's adjusting parameters. If you have an 88-91 HF I will include the resistor box delete plug. Please note that these injectors are reconditioned with new filters and lower seals. Again, I would like for these to go to someone willing to log and share results. Please PM me if interested. Thank you.

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Old 05-25-2011, 12:13 PM   #2 (permalink)
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Old 05-25-2011, 04:08 PM   #3 (permalink)
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Old 05-25-2011, 10:44 PM   #4 (permalink)
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Please remember when installing these injectors that any gains may be attributed to them being "as new", when compared to your old, probably factory original injectors.

Had to be noted.
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Old 05-26-2011, 11:15 AM   #5 (permalink)
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Duly noted, Christ. I plan on removing the OEM injectors and having them flow-tested, cleaned, balanced, and new parts installed, then testing with them again after running the Bosch injectors for a certain amount of time.

This will also give me the chance to test another set of VX injectors that I have as spares too.
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Old 11-01-2011, 08:18 PM   #6 (permalink)
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TomO any updates ?
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Old 11-02-2011, 01:48 PM   #7 (permalink)
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The Gas Log starting at 6-12-2011 is when I installed the injectors. Overall, I am pleased with how they've been performing.

The OEM injectors had three leakers of the four as I tested them outside of the vehicle and cleaned them.

The new style injectors have shortened start time in varying weather and temperature conditions. They also provide a smooth powerband and smooth cruising as steady speed.

I do admit that similar results may have been provided by cleaning and rebuilding the OEM injectors, but the new injectors are smaller, newer, and were easier to swap out rather than waiting for the OEMs to be rebuilt and not having a car to drive.

I have inspected the tops of my pistons and can still clearly read the "IN" and arrow marking on them and have no carbon buildup on them since running the new style injectors.

One thing to know about the new injectors: the very first start up of the car will require an ECU reset and relearn procedure as the new injectors flow a small amount more of fuel. The new amount of fueling is easily accounted and controlled by the ECU once the relearn is done. It only takes about 2 minutes for the ECU to compensate (the amount of time the OEM wide-band takes to heat up and start reading), once the ECU has learned the injectors offset, it runs beautifully.

If you read into my fuel log, there are some real-life influences on the mileage. Windy days (sometimes a week long), tire pressure differences, oil changes, towing, temperature fluctuations and finally, declining temps.

I've been using my block plug heater as of this week since the morning temps are upper 30's and afternoon temps are upper 50's. Recently my car had a problematic distributor cap. Which prompted me to rebuild my distributor with a new cap, rotor, ignition control module, and coil. I've also had to remove my extended side skirts, but was able to install my winter/Aero bumper. All of these things will impact the mileage as well.

But still, if someone sold these for around $100 I believe they would be worth it as an upgrade considering the lowest I've found to have someone clean, rebuild and flow-match the OEM injectors is $89.

I just wish the Non-Ethanol gas wasn't so expensive near me as I used to see an almost 4mpg gain using the old injectors with it. I would love to see how the new injectors do with it. But even with gas prices down, the 91 Octane Non-Oxy (Non-Ethanol) is 60 more per gallon than 87 Octane 10% Ethanol, this means that right now it's about $4.10 per gallon in my area now.
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Old 11-02-2011, 02:07 PM   #8 (permalink)
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Thanks TomO
I found these on eBay and wonder how they compare, if its worth the price
Honda Civic VX CX D15Z1 D15B8 Fuel Injectors Best Upgrade for more MPG's eg OBD1 | eBay
But of course they don't ship to Canada
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Old 08-22-2012, 02:15 PM   #9 (permalink)
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I finally got in touch with these people and got them to send me a set to Canada.
Honda Civic VX CX D15Z1 D15B8 Fuel Injectors Best Upgrade for more MPG's eg OBD1 | eBay
So I am hopeful of smoother driving and hopefully even better MPG.
From what I have read it should be relatively easy to swap them out, anybody done this thats willing to pipe in with advise, it would be appreciated.
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Old 03-09-2013, 02:34 PM   #10 (permalink)
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"WD40", do you have any updates on those OsideTiger injectors?

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