Righto,next major problem i am having is now the ecu wont hold a programme,then after about 40 mins refused to accept anymore so my afternoon paid for on the dyno got totally wasted for the second time,fricken hate this car right now. The honda h engine was hondas larger highperformance engine family from the 1990s and. What makes tuning with neptune nice is that the base maps and corrections are very close ballpark. This is the custom programmed crome pro basemap file only. They have huge power potential in both na and turbo form. Ultimate h22 swap guide over 14 years of refinement, simply. H22a vtec engines are fantastic for the tuner market, offering large displacement, fantastic bore stroke combinations and great airflow. Here is a fairly defiantive thread on hondatech that details most of the differences between the h22 and the h23 vtec. The notorious h23a to h22a swap car forums and automotive chat. I know there have been a bunch of people on here that have done this setup and have gotten a good tune, can you share your map. G23 vtec tech knowledge move over k24, the frankenstein g23 packs the same punch at less than 14th the cost by luke munnell photography by somya siva, chris bolin. The h23a dohc vtec engine is largest displacement in the h series engines with a compression ratio of 10.
This should be at an rpm that allows the smoothest transition. The honda h engine was hondas larger highperformance engine family from the 1990s and early 2000s. This includes only a reburndable sst chip with the stock map you select from the options. I took and h22 base map and changed injector sized and gear ratios. Hondaacura usdm obd1 ecu chipping kit with basemap by.
The kelford range of h22 camshafts feature the same lobe designs as our popular b series cams to cover the needs of most motorsport uses. The selections available are limited, please select from the list. Like hondas other 4cylinder families of the 80s and 90s, it has also enjoyed some success as a racing engine, forming the basis of hondas touring car racing engines for many years, and being installed in. Golden eagle mfg h23a non vtec head gasket speedfactory. Tuning will be done later, i want to run the car normal with ac and iab. Learning how to upload a base map is essential to to tuning any ecu. It is largely derived from the honda f engine with which it shares many design features. Any of the cams designed for the h22 heads will fit in the h23 vtec.
It is important to dial back the timing in your boost map to start out. If your map looks good you should be able to download it to your demon and look at the sensor readings with koeo. If you are ordering a basemap for a non vtec engine, please select no vtec. I am using the p72 gsr ecu and i people are saying that it is looking for secondary butterflies and i am. Once the download is complete, go to the location where you saved the file. You will need to download the file and save to your laptop. Ha motorsports custom basemap file for use with neptune rtp. Actually i have a loose baffle in the oem gsr muffler so it buzzes from 2. Click on download and choose to save the file to your computer. F22a or h23 basemap needed post by nucleara thu nov 05, 2009 9.
When i downloaded the jdm h22a base map and tried to open it in crome. I am also looking for an f22a single no vtec map if anyone finds one. Kelford pacaloy premium quality gold nitride, dual valve spring set for use with stock retainers. I get this a lot too on which cams are the best for my stock h23a vtec bottom end. All 92 up prelude 5 speed trans and 92up accord trans. Running an h23 on an h22 tune basemap chip honda prelude. Use eci that came with the engine with proper mods to wiring. Engine management and tuning jdm h23 dohc vtec basemap anyone. My buddy bought a cb7 with an h23a vtec unfinished. Please read item description completely before ordering choose this product if you want a. All times vary of course on the driver and track prep, but regardless all of the cars that had chips ordered for the setup were all daily driven and never had an issue with the tune.
Which may equate to why some kiss the valves to the piston on larger lift cams. Golden eagle mfg h23a non vtec head gasket speedfactory racing. As far as i know, the injectors are different in the h23 and h22, am i right. Earlier on in the search for a devastating swap the h23a engine played second fiddle to its other honda brother the h22a though the coveted blue top h23a dohc vtec engine took the prelude and accord modding crown for top dog. The sir wagon was also available in two models, fwd and awd. Im not saying its not already fast just i know it can get faster. It drives smooth as hell, the trans shifts like butter, and sounds like sex.
From the email attachment, you can download and save onto your laptop then use as. Neptune rtp custom programmed basemap file ha motorsports. Youll hear a distinct sound when the vtec comes on. Downloads getting started part 1 downloading, installing, basic setup, and creating a basemap. Utilizes factory oem gaskets for optimal performancemachined to fit almost any bore size imaginableused on top winning race cars the world over from circle track to import drag racingdowel holes are opened on hondaacura bseries gaskets to accept any. Aug 04, 2007 looking for h22a turbo base map crome p28 or even hondata s300. The h23 is a stroked nonvtec version of the h22 rated at 160 horsepower. Ultimate h22 swap guide over 14 years of refinement.
By continuing to use this site you consent to the use of cookies on your device as described. F20b engines hondatech view and download honda prelude service manual online. How to upload a base map to your hondata s300 ecu youtube. Crome pro custom basemap file no chip, file only ha. Jul 23, 2009 i have a h23 dohc vtec that is not a frankenstein it is a true jdm blue top h23 dohc vtec from the sir accord sold in europe.
Nathan morris author of the ultimate h22 swap guide. The best way to tune a car using a hondata ecu is on a dyno where you can. Vehicle specific wiring diagram performance silvia. If you are unsure about what rpm to use, please select not sure and we will set this at the best rpm for you. Well we got it all hooked up and running off the stock ecu. Jdm 0307 k24a engine honda accord element crv ivtec dohc 2. Jdm h23a vtec blue top mystery motor, true facts, questions. The japanese version included several things not available in the us, including automatic climate control in all versions except the ex ii, bose stereo system w cd. There is a vtec version that was available overseas, but theyre pretty rare. Choose a location where you can easily locate the file by saving it to a location such as the my documents folder or to c.
Theres another one on the forums but the guy started with a turbo h22 map i feel mine runs way better. Please i am looking for more horsepower from the civic i put this motor in. Where can i find or can someone give me a good base map for a p28 ecu to run a stock h22a motor. To start it is believe that the pistons sit almost deck height 0 which most h22s are 6k in the hole. Found in the american 5th gen prelude base and typesh bb6. The power is on par with a typical h22 engine, but with a lower redline. D17 whtblu map sensor d18 d19 redwht egr valve lift sensor d20 yelwht tp sensor d21 bluwht map sensor d22 grnwht2 tp sensor there are no pin changes necessary, or any additional rewiring. If you are ordering a basemap for a nonvtec engine, please select no vtec. Im looking for a base map for a jdm h23a dohc vtec for crome. So after installing the rad and playing with kpro, i got it to run. Specs om h23a vtec blue top found on wiki h23a vtec in 1998 honda produced a rare vtec version of the h23 engine for use in japan only. The h23a dohc vtec engine is largest displacement in the h series engines with a compression. Item id 1167 models buyer must determine the fitment before buying mileage 82341 km51464 miles. Easiest solution as stated above would be to go to a.
I asked him whether or not he has any h23a base map chip tunes, but i dont think he does because he told me to just swap the injectors from my h22a4 into my new h23 and see how the car runs. Jdm h23a vtec and non vtec motors, h22a type s obd1 and. With a freshly built p30 engine rom with the map sensor you want selected you want to scale it down for resolution. So id you know where i can find these parts please tell me the website. However, the biggest change was the new available h23a dohc vtec engine that was only available in the sir wagon. Jdm h23a vtec and non vtec motors, h22a type s obd1 and obd2. Found in the japanese 19982002 accord wagon sir ch9. But he went and bought a p28 chipped but the dude said he could not find a basemap for the motor therefore he put a h22 basemap which did not run it at all. Billet manual timing belt tensioner for honda prelude 1992. I have a h23 dohc vtec that is not a frankenstein it is a true jdm blue top h23 dohc vtec from the sir accord sold in europe. It does, however, have a few more footpounds of torque than the h22. Ha motorsports custom basemap programmed chip crome. Jan 11, 2011 hh22a7 base map with euror injectors caused massive overfueling and suspected bore wash which is the theory of why my block sleeve cracked. The manual covers the h22 swap into these cars only.
Hondata s300 custom programmed basemap file ha motorsports. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. The only options ive seen so far was supercharged h22a 550cc injectors for hondata, and just stock spec h22a for crome and uberdata. If you need to customize any features like rev limits, injector sizes, vtec points, etc. I need to download the original basemap for my new ecu. Our crome pro custom programmed basemap file is the solution to getting your. The h23 is a stroked non vtec version of the h22 rated at 160 horsepower. Runs and drives pretty good just very rich, but its a good start.