Thread: ECU Question 15f
01-19-2010, 02:09 PM #1
ECU Question 15f
Hey guys I am making a list of the rest of the things I need to order to get my 15f project going and I came to the question of the ECU, I had planned on using one of these 3 stock computers, the 15f stock (2005) a 12f stock (more timing into it) or the riva offshore computer, Im just not sure if I will be able to use any of these with my ITB setup and the ZX cams, I had originally planned on playing with the fuel pressure based on a wideband gauge and tuning with a fuel pressure gauge and fuel pressure regualtor and then adding a powershot if I had to. Im not changing all that much with the engine, most of the internals are remaining stock in this incarnation (pre boost) The only real issue I can see is the Idle control motor is going away because of the zx throttle bodies, all the rest of them will still be there, air temp tps map sensor
also the stock dash is going away it broke so Im going to run standard marine gauges to monitor the engine
and possibly engine water temp.
does anyone see any problems with this?
01-19-2010, 06:37 PM #2
Careful with the 12f ecu's. If # is 32 or lower this is the one that has advanced timing and caused detonation and cracked piston on my 12f. With performance in mind this may be what you want?
The one on it now has a 36. These are the last 2 digits on the ecu.
I was told that the 32 # was a ecu trying to meet E.U smog standards and that is why it was so advanced.
This is all I really know about these. I may be able to find out more and will let you know. I follow your project because it is interesting and you are very informative. The knowledge you share is great. I don't chime in much because mine is quite limited. So in escence reading your thread is like ski school for me. Thanks.
01-19-2010, 07:35 PM #3
sweet thanks for the number info, im trying to help everyone out, thats why I post everything I do lol even if it doesnt work
01-26-2010, 01:37 PM #4
01-26-2010, 02:11 PM #5
It would help keep the engine from knocking with real high compression
there was a rumor out that the offshore ecu was a stock 12f but it was never confirmed
01-26-2010, 02:15 PM #6
01-30-2010, 06:53 PM #7
01-30-2010, 07:04 PM #8
yeah but its the compression ratio that matters most in a 4 stroke, I think the 15f is 10.6 and the 12f is 11.2
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