Power FC base fuel map apples to apples?
#1
Racing Rotary Since 1983
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base fuel map apples to apples?
assuming a zeroed out fuel inj page and similar air and water corrections... if i compared 2 maps, with dissimilar fuel injector sizing, would i need to do a math correction in order to arrive at an apples to apples comparison of how much fuel was actually being injected?
thanks,
howard coleman
thanks,
howard coleman
#2
Resident Retard
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an interesting question. I have thought about this as well, as in, can I use a map from someone who runs 1600cc secs, when I have 1300s, but when everything else is the same. I would assume that the math correction you are referring to is on the injector sizing page (as you probably know). I think of it this way: If you had a stock car with a PFC, and all you did was swap injectors, then all the manual says you have to do is plug in the correction values. There are no changes to make to the base fuel or injector maps. So, in THEORY if you had two different cars which were similar except for injector sizes then you should have apples to apples for fuel as well, as long as the correct correction factor was applied for each. In REALITY we know that you can have 2 cars with identical mods run identical maps with different results.
#3
Eye In The Sky
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When I replaced my 850 with 1200s, my engine did not run 41% richer. I also think the injector correction logic
takes car of it.
1200/850= 1.41 or 41% larger. You should still wide band test after.
takes car of it.
1200/850= 1.41 or 41% larger. You should still wide band test after.
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