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Old 01-02-2016, 11:16 PM   #1
dwhacks
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Dwhacks : 1992 Accord DX

Well I guess it's time to share my work in progress. Here is my 92 Accord project car!


At my first drag race, 1/8mile


Engine bay as of Dec 31, 2015


Girlfriend driving while I CROME

Here's the story for those not following my Beginners sections posts:
My Brother has had his 92 accord ex (canadian, so f22a1) for about 9-10 years and he's been pretty good to it maintenance wise, although he did drive it like he stole it. Its been parked as his "spare" car for around a year now because he has a Bugeye WRX and an Audi A4. Early spring 2015 we were chatting one day and he said "there's no point in selling it, I need to find someone who will appreciate it" so I told him "let me build a race car!".....

And that's when I hit google and found this wonderful forum.

So previous to me taking over the project it has:
  • Lowered (Mysterious lowering springs)
  • Ram air
  • eBay header
  • 2 1/2" exhaust
  • A/C delete
  • 30,000k transmission (he dropped the old ones gears on the street)
  • Axles changed same time as tranny
  • eBay front and rear UCA Camber
My hopes are around 200hp one day, but no rush getting there. I'm starting with the top end and moving to the bottom end over 2016.

Now:

ENGINE
  • 3" ram air
  • 68mm throttle body
  • Port matched and cleaned up H23 intake manifold
  • Cleaned and polished head with lapped valves
  • Delta 272 Regrind
  • New eBay header, wrapped
  • Custom Painted valve cover
  • Cruise DELETE
  • P06 ECU with IAB circuit, 5v O2 sensor mod, Moates Ostrich2
  • DSM Blue Top 450cc injectors
  • Marshall fuel pressure gauge

EXTERIOR
  • Fiberglass ghetto trunk hole repair
  • LOUD horns (Sickspeed)
  • 2x 6LED "fog lights"
  • 17x7 Core Racing wheels (discontinued model)
  • Falken Ziex ZE912 215/40ZR17
  • Nitto NT555r 245/50r16 on Street Gear Black Widows (Front Drag radials)

INTERIOR
  • Fully gutted
  • Back seat delete
  • Custom Wood gauge panel and amplifier (diy)
  • Ignition switches and push button start
  • Neo chrome shift nob
  • Cheddas Auto Single Bend short shifter and bushings kit
  • Wideband, Oil temp, Oil Pressure, and Vacuum gauges

And last, here is my new engine to build my FrankenBuild

F23A1 from a 2002 Accord with 170,000km on it. Going to put my top end on it a la jdm92_accorn style.


Last edited by dwhacks; 07-07-2017 at 12:17 AM. Reason: Updates
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Old 01-02-2016, 11:24 PM   #2
dwhacks
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Almost forgot this walk around gem.



Youtube Link

Last edited by dwhacks; 03-11-2016 at 10:13 PM. Reason: I can't get embedded youtube to work.
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Old 01-03-2016, 02:26 AM   #3
Mike1357
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That valve cover is awesome! It's fantastic to see new blood in the members rides section.
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Old 01-03-2016, 01:24 PM   #4
dwhacks
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Quote:
Originally Posted by Mike1357 View Post
That valve cover is awesome! It's fantastic to see new blood in the members rides section.
Thanks! The valve cover turned out great.

I love this forum, figured about time I made a worthy thread.
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Old 01-09-2016, 08:16 PM   #5
dwhacks
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Shortblock ready!

Well, My f23a shortblock is basically all ready! I just need to borrow an engine hoist and I'm ready to start this franken-swap!


Last edited by dwhacks; 05-11-2017 at 10:09 PM. Reason: Needs https
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Old 01-09-2016, 11:48 PM   #6
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Very nice work. I like the valve cover. Good luck with the franken build.
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Old 01-12-2016, 08:49 PM   #7
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Quote:
Originally Posted by dwhacks View Post
Well, My f23a shortblock is basically all ready! I just need to borrow an engine hoist and I'm ready to start this franken-swap!

It's a little hard to tell from this pic, but are your pistons flat or maybe even slightly dished?
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Old 01-14-2016, 03:12 PM   #8
dwhacks
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Quote:
Originally Posted by Tishock View Post
It's a little hard to tell from this pic, but are your pistons flat or maybe even slightly dished?
They are slightly dished. They should be stock as far as I know.
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Old 01-16-2016, 02:45 PM   #9
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This is what the pistons in my JDM F23A look like. Thats why I asked. I believe the F23 came in either 8.8:1 or 9.3:1 compression ratios. I assume the ones in your block are the 8.8:1 pistons.

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Old 01-16-2016, 08:51 PM   #10
apalileo
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Looks like you have a great foundation to build upon! Keep us up on the build!
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Old 01-16-2016, 11:45 PM   #11
dwhacks
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Quote:
Originally Posted by Tishock View Post
This is what the pistons in my JDM F23A look like. Thats why I asked. I believe the F23 came in either 8.8:1 or 9.3:1 compression ratios. I assume the ones in your block are the 8.8:1 pistons.
Wow, those sure are different. Mine is the USDM version. I knew the F22a had a higher compression in the JDM version, but I didn't know about the F23a, interesting.
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Old 01-16-2016, 11:51 PM   #12
dwhacks
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Well I started the swap today. I started by removing the head and parts that needed to be swapped over while the engine was still in the car. Now whats left is to transfer over the wiring, pull the old engine and drop frankenstein in.





Hoping to finish it tomorrow as I've got to give make the hoist Monday!

Last edited by dwhacks; 05-11-2017 at 10:10 PM. Reason: https all the pictures!
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Old 01-19-2016, 08:30 PM   #13
dwhacks
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Got'er all buttoned up monday night after work! Shes running and working as expected. I used the alternator bracket from the F22a because the F23a one didnt fit with the power steering. I will delete the power steering and when I do I can use the f23a bracket which has a place to mount the dip stick. For now its kinda wedged in there.

This was my first engine swap and wow was it intense! I am sore all over from wrenching, but everything worked out and so far no leaks!

No I just need to figure out how to tune with a Crome Gold rom. I was using the free version before and the gold roms are quite different. Anyone with any knowledge is welcome to chime in.
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Old 01-19-2016, 11:03 PM   #14
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Welcome to the brotherhood of engine swaps! Good luck with the tuning! Wish I could help you out, but I've got no experience in that aspect yet... yet.
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Old 03-04-2016, 11:41 AM   #15
dwhacks
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Well a few questions here. Does anyone know the compression ratio of the USDM f23a forsure? Is it 8.8:1? if thats the case then It seems I didnt gain any compression with my franken engine so I will probably need to re-think things.

Next, does anyone have experience with DOT drag tires? I want to stay with DOT tires so I can still compete in sportsman bracket at my local track. I was looking at the Mickey thompson Street radials, and don't really know what size or if its even a smart option. I don't mind swapping tires at the track so they don't have to be "daily drive-able". Any input would be helpful!
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Old 03-04-2016, 11:59 AM   #16
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Which F23A did you get?

F23A1/4 - 9.3:1 Compression Ratio
F23A5 - 8.8:1 Compression Ratio - this matches our F22A1/4/6 compression ratio.

If you got the A5 this may explain why there is no bump in compression.
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Old 03-04-2016, 12:08 PM   #17
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I believe the F23A1 had a 9.1:1 or 9.3:1 ratio, but that was in part due to the specs of the cylinder head. The later iterations in the US were slightly redesigned to meet ULEV specs and as a result the compression dropped back down to 8.8:1. Damn emissions.

It's likely the head design may be your draw in this build. Higher compression pistons maybe?

Can't help you with drag tires, unfortunately.
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Old 03-04-2016, 03:29 PM   #18
dwhacks
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Yeah, seeing lots of different numbers here and I didn't measure the volume when I had the head off.

It's an F23a1 from a 2002 accord. Wonder if the fact its from Canada makes a difference or not. I think '02 was the last year the f23a was found in the accord so maybe I have the 8.8:1 version. Is there any way to verify this other then taking the head off and measuring? My pistons sure are different then Tishocks that were posted above.

I havn't got it on a dyno, but the engine doesn't seem to run much different then my old one. It does need more fuel and run smoother, and the power band is noticeably in a different place.

The main benefit so far is really the fact that I'm not burning oil anymore! yay!
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Old 03-11-2016, 10:09 PM   #19
dwhacks
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Today I got my new 450cc DSM blue top injectors and Marshall fuel pressure gauge installed! Runs better then before and my duty cycle on the injectors is in a much more acceptable place.

Next I might do the fuel pump, either a Grams or Walbro 255 unit, but I don't know if I really need it.

And I should get to a dyno, maybe just to get my HP/TQ tested. I'll need to get a Hondadata s300 if I want them to tune the car, as they don't seem experienced with Crome.
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Old 03-17-2016, 02:12 PM   #20
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To clarify on the f23's:

Jdm f23a's had two different pistons. The odyssey ones have a weird dome, the accord's are flat top. The accord's are 9.8:1, odysseys SHOULD be higher according to their design.

F23a1/4's have a slightly dished piston, 9.3:1 . F23a5's are dished slightly more, 8.8:1.

ALL f23's have a common head casting. The non vtecs just have different valvetrain/rockers. Cams are different as well and usually dependent upon their respective engines.
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