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93 4d lx, z6,ported, port matched, compression bumped, balanced, manual swap
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659 Posts
Please share that project!
When I get around to it I will, going to do a rust bucket junkyard build. As requested. He just wants 11 sec 1/4 mile NA, he thinks that's not too much to ask 🤣 🤣 🤣 about 9 projects in front of him, when stuff stops breaking...
 

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BATSLOMAN GIVES NO FUCKS.
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Im jelly as fuck. and Im sorta mad, but glad it went to the right person.

that civic needs a d-so sticker on it.
 

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93 Civic HB SI
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1,613 Posts
Discussion Starter · #89 · (Edited)
So to continue....


The car sat in the driveway for a bit, basic parts list in mind, but I started focusing on inspecting the rest of the car condition. Aero told me the car had been sitting for 3+ years, so I focused on the fuel system first.

Ordered a new fuel tank, and repurposed the other Walbro 255 and OE pickup sock he had in the parts stash. Pulling the tank and inspecting things, the sending unit and pump hanger was still in good shape, so those were re-used.

New fuel tank was installed pretty painlessly, minus having to drown a few more wasp nests with water along the way.

I also went ahead and pulled the ECU out, and because it was a Demon1, inspected the Keep Alive Memory lithium battery floating point voltage. Per Moates website, if battery voltage was above 2V, it should still be OK. This one spec'd out with 2.8V still.

Was able to pull the tune off the Demon on the counter, and make sure the license was still valid, it was all good:

Passive circuit component Circuit component Hardware programmer Microcontroller Computer hardware


Also went ahead and pulled the injectors out to ultrasonic clean while pulsing, and get them flow tested using the homemade rig:

Table Product Eyewear Material property Desk

Gesture Finger Font Gas Measuring instrument



Hood Automotive tire Automotive mirror Automotive lighting Grey



Electrical wiring Gas Computer hardware Machine Electronic device

Gas Motor vehicle Audio equipment Measuring instrument Gauge


It was really dark outside by the time I got the rig set up to flow the injectors, but they all performed evenly at 43.5PSI, and the spray patterns were nice and clean and even, so I rolled with that.

Lubed em up with some WD40, wrapped em in a paper towel and stored them in a plastic ziplock bag until I could reinstall them.
 

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93 Civic HB SI
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Discussion Starter · #90 ·
So knowing the Demon1 appeared to be in good shape, made a few changes I saw were off in the tune and settings, I went ahead and jacked up the car and did the following:

  • Drained the oil and changed the filter.
  • Changed the fuel filter.
  • Added 5 gallons of fresh 93 octane to the tank.
  • Changed the spark plugs and gapped to .022"
  • Installed the new battery and cleaned the tray
  • Installed a new knockoff billet KTuned battery hold down
  • Pulled valve cover to inspect valvetrain and timing belt, poured oil all over the cam, rockers and valvetrain to refill the pan, reinstalled valve cover
  • Removed and checked the air filter, was pretty clean, reinstalled
  • Removed front and rear bumpers for cleaning (more wasp nests)
  • Removed, took apart and inspected the blowoff valve, reinstalled
  • Reinstalled the injectors and fuel rail
  • Installed some new door mirrors (Aero said some a-hole whipped both mirrors backwards on their pivots, breaking them so they didn't retain position anymore)
  • Pressure washed the underside to remove more spiders

Spent pretty much an entire day doing all this, zero clouds or shade in sight, sweating like crazy lol. But, it paid off once it fired up:

Tire Wheel Car Plant Vehicle

Car Plant Vehicle Automotive tail & brake light Vehicle registration plate

Car Wheel Tire Vehicle Land vehicle

Car Vehicle Motor vehicle Hood Automotive lighting

Tire Wheel Automotive tire Tread Bicycle tire

Hood Tire Automotive tire Automotive lighting Motor vehicle

Tire Wheel Bicycle tire Motor vehicle Automotive tire

Automotive air manifold Motor vehicle Vehicle Automotive exterior Auto part
 

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Discussion Starter · #92 ·
After getting it running, I noticed that the exhaust had a whole bunch of randomness going on in the center section, so I dropped it from downpipe to muffler to redo the center section:

Vehicle Automotive tire Hood Automotive tail & brake light Automotive lighting

Air gun Motor vehicle Wood Shotgun Trigger


I had some 2.5" stainless stock and an extra V-Band laying around from the other civic exhaust, employed it here:

Automotive tire Automotive lighting Wood Bumper Fender

Automotive tire Rim Wood Metalworking Engineering


Took some rough measurements of where everything was at so I wouldnt be totally lost if needed:

Handwriting White Black Wood Font


Also took the opportunity to put another bung in the downpipe for the wideband:

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Motor vehicle Wood Bumper Line Automotive wheel system

Motor vehicle Wood Engineering Gas Auto part
 

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Discussion Starter · #94 ·
New setup installed on the car:

Automotive tire Plant Wood Road surface Asphalt

Tire Vehicle Automotive tire Automotive exhaust Motor vehicle

Automotive tire Road surface Asphalt Bumper Landscape

Wheel Plant Tire Automotive tire Automotive lighting

Wheel Tire Vehicle Car Automotive tire

Tire Wheel Plant Automotive tire Motor vehicle


Some nice clean engine bay shots :)

Vehicle Car Motor vehicle Hood Automotive air manifold

Motor vehicle Hood Car Automotive design Vehicle


Night shot of the dash after re-aiming the headlights:

Car Vehicle Speedometer Automotive lighting Light


The following day before heading to work, it was really starting to look more and more like a car ready to be driven!

Tire Wheel Car Vehicle Hood
 

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Discussion Starter · #95 ·
Did the best I could to make the tailpipe tip square to the back of the car and the ground. The muffler itself sits at a slight angle, so I had to position a random scrap piece of 2.5" and tack it in place to get the location where it would look square.

Then had to retouch the tailpipe cutout semicircle at the bumper, because it was originally off center as well, but we got it fairly straight :)

Car Automotive tail & brake light Vehicle Green Vehicle registration plate

Wheel Tire Car Plant Vehicle

Car Land vehicle Vehicle Automotive parking light Automotive tail & brake light

Tire Wheel Vehicle Car Photograph

Vehicle Automotive lighting Automotive tire Hood Car

Tire Car Wheel Land vehicle Vehicle

Tire Wheel Car Vehicle Plant

Tire Wheel Car Vehicle Land vehicle

Wheel Tire Car Land vehicle Vehicle

Tire Wheel Car Vehicle Automotive tail & brake light
 

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Discussion Starter · #96 ·
With the rear bumper buttoned up, I started working on the front bumper.

I opted to remove the grille meshing, because the black plastic in the grille in front of the intercooler was starting to discolor and fade. Used a dremel and trimmed it open. I personally think it looks much better opened up:

Car Vehicle Grille Vehicle registration plate Motor vehicle

Car Vehicle Grille Hood Automotive lighting


Next I re-did the brakes and gave the shocks some love:

Trunk Bumper Vehicle Automotive exterior Automotive design

Water Automotive lighting Gas Recreation Grass

Plant Window House Gesture Tree

Bicycle part Bicycle handlebar Diving mask Electric blue Gas

Tire Wheel Photograph Automotive tire Car

Wheel Tire Automotive tire Vehicle Tread

Wheel Automotive tire Motor vehicle Tire Automotive fuel system
 

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Discussion Starter · #97 ·
Also got the wideband gauge and pod installed. I bought another Autometer pod that matched what Aero already had, just the POD was $50! He used some high quality stuff:

Hand Light Finger Steering wheel Automotive tire

Speedometer Vehicle Car Motor vehicle Tachometer

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Discussion Starter · #98 ·
Went for a quick drive after the brakes were ready! Hit 2 pounds of boost lol:

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