capitano
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Blitz Access ECU
Hey All, Spent half the night looking for info on Blitz Access ECU's and really haven't found anything substantial. I've got a 1990 turbo with very, very minor mods (full exhaust and air filter) and was wondering if the Blitz ECU would give much extra power, or even if it was safe to use? The car currently boosts around 10-11 psi depending on temperature. From what I can tell the pros are removal of stock restrictions (speed limiter, boost, fuel cut, etc.) and remapped AFR's. My question is does anyone have any actual experience with these ECU's and how did they find them with respect to driveability? Any comment on the 98 octane fuel vs. the 100 octane these were probably designed for? (When did 100 octane fuel become available in Japan?) All I can find on the net are the power graphs on this site, http://www.gtfours.co.uk/...cu/blitz/blitz_ecu.htm Has anyone put these units to the test? Dyno? Raced even? If anyone has any experience/advice with these units at all it'd be appreciated :D
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Admin
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Re:Blitz Access ECU
2012/06/25 18:11:46
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I have mine on eBay at the moment. I ran it in my ST185 for over a year. It definitely has a more aggressive ignition map as you can feel it pull harder in the mid range at light throttle. It also seems to be better up top though I have never done a back to back comparison. I'm selling it because I need the money to spend on the MR2 money pit
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adisco
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Re:Blitz Access ECU
2012/06/30 02:14:12
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Thats good because im the buyer. -)
Hope it works without problems as i read that there is difference between rev1-rev2.
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capitano
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Re:Blitz Access ECU
2012/07/05 22:17:01
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Arghh missed this! Thanks for the advice. Let me know how it goes adisco.
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WIDEMR
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Re:Blitz Access ECU
2012/07/05 23:30:19
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Ahh that ECU is getting around 
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adisco
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Re:Blitz Access ECU
2012/07/06 10:19:06
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capitano
Arghh missed this! Thanks for the advice. Let me know how it goes adisco.
Ive swapped over the ecu's, its exactly what ive expected. Feels like factory ecu without any faults. In term of performance, you can definitely feel the improvements, runs leaner and smoother. Id say just by guessing its added extra 15% of power across the rev range. Red line is 8200 rpm which is quiet high... i think its better on fuel economy too but will have to confirm this as i only had it for few days. Also dont need the FCD anymore. I believe these are best way to go for bolt on mods with ct20b. You invest 500 or so dollars, no tuning required. When you get over it wack the standard ecu and sell. I used to have mines ecu in my r33 skyline and i was also very happy. pretty much same deal. After i blew the turbo i ended up going all out, pfc injectors, pump, air flow meter etc and i was never as happy as i was with mines, VALUE FOR MONEY that is.
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adisco
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Re:Blitz Access ECU
2012/07/06 10:20:32
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WIDEMR
Ahh that ECU is getting around
haha dont worry its safe with me -) not going anywhere
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MRTurbo
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Re:Blitz Access ECU
2012/07/06 10:52:36
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I think the real gains here are (only) from the more combustible AFRs under boost. The JDM stock ECU was tuned for 100 octane so if you're using 98 on this, it would be far from ideal, as you wont be able to take advantage of timing benefits.
post edited by MRTurbo - 2012/07/06 10:58:31
1990 SW20 GT 3S-GTE Targa 2001 Honda CBR600F4i 
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adisco
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Re:Blitz Access ECU
2012/07/06 11:02:59
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MRTurbo
I think the real gains here are (only) from the more combustible AFRs under boost. The JDM stock ECU was tuned for 100 octane so if you're using 98 on this, it would be far from ideal, as you wont be able to take advantage of timing benefits.
Agree, one of main benefits is leaner AFRs, but isnt that why we tune cars to begin with? Along with timing etc Also, im using 100 octane in all of my cars from Liberty petrol stations.
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MRTurbo
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Re:Blitz Access ECU
2012/07/06 11:25:46
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There isn't much tuning to be done with the Blitz - plug and play! lol I've looked in to getting one ages ago but didn't think it was worth the gains. Looking at one of these in the future which offers very flexible (tuning/AFM delete) and for only ~$200 more. http://www.mapecu.co.nz/ Been using a bit of United 100 on the stock ECU and noticed an improvement, but fuel economy worsened from the ethanol.
1990 SW20 GT 3S-GTE Targa 2001 Honda CBR600F4i
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adisco
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Re:Blitz Access ECU
2012/07/06 16:38:57
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MRTurbo
There isn't much tuning to be done with the Blitz - plug and play! lol
I've looked in to getting one ages ago but didn't think it was worth the gains. Looking at one of these in the future which offers very flexible (tuning/AFM delete) and for only ~$200 more.
http://www.mapecu.co.nz/
Been using a bit of United 100 on the stock ECU and noticed an improvement, but fuel economy worsened from the ethanol.
I know there isnt much tuning to be done with blitz ecu, im just saying isnt the point of tuning to improve AFR because they run too rich, and that is what this ecu does anyway so there is benefit number one among many more. Getting a stand alone ecu is ofcourse better and safer and with good tuner will give you better results when tuned to your car, and your specific modifications...The only downside is $$$$$$. After having my old s15 tuned 2-3 times and skylines 3-4 times, mate, that is 4K wasted just on labour which i never got back! Blitz ecu money, i can get back by selling the ecu. Thats how i think now but each to their own...
post edited by adisco - 2012/07/06 16:42:46
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MRTurbo
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Re:Blitz Access ECU
2012/07/06 18:48:12
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I agree that standalone plus tuning/dyno time gets exxy very quick. But the Map ECU isnt a standalone its an interceptor to the stock ECU that basically allows you to have full control of it. Tuning is done by an easy to use GUI and linked with a wideband allows easy tuning. The unit is not much more than a Blitz too.
1990 SW20 GT 3S-GTE Targa 2001 Honda CBR600F4i
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MRTurbo
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Re:Blitz Access ECU
2012/07/10 10:10:01
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Just 'leaned' mine out for free on the w/e. Midrange pulls much harder now. AFM mod FTW. :D
1990 SW20 GT 3S-GTE Targa 2001 Honda CBR600F4i
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EssDub
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Re:Blitz Access ECU
2012/07/10 10:29:51
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The Blitz Access ECU does Sweet FA. Ran one in my GT-S Turbo in NZ and actually lost power, due to it advancing the timing something fierce and not even 100 octane would stop the det. Went back to a stock ECU and gained 8kW over basically the entire curve O.o Modding my AFM provided larger gains and was more reliable :P
post edited by EssDub - 2012/07/10 10:42:55
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MRTurbo
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Re:Blitz Access ECU
2012/07/10 10:39:30
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You mean ECU Graham? lol
Glad you confirmed this.
I was going to get one ages ago but I'm very skeptical about the gains, plus the fact they're not exactly cheap. It IS supposed to have a more aggressive ignition table but considering even the stock JDM ECU pings on 98 (apparently), you'd want to be running ethanol/race gas to really reap the benefit.
1990 SW20 GT 3S-GTE Targa 2001 Honda CBR600F4i
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