Reddit reviews How to Tune and Modify Engine Management Systems (Motorbooks Workshop)
We found 2 Reddit comments about How to Tune and Modify Engine Management Systems (Motorbooks Workshop). Here are the top ones, ranked by their Reddit score.
i personally wouldn't tune for knock, the power should be a bell curve so as you hone in on the best settings power should rise then fall after maximum power is reached, then start to drop off before it knocks.
so that is what i'd tune for. at worst knock tuning would be a disaster on some engines, and on others you're likely loosing power . at the dyno i've often seen people say tune to knock then back off a whatever a good number/% they've heard is.
you have to know a lot of about the math of specific engine you're tuning for to do proper calcs to get you base maps that are close, so since not all that is available, VE being the most useful, it often does become iterative and you just get a feel for it.
dynos aren't that complex, they just measure torque. the manual for them usually has the operation procedure in them, or the rep shows you. but basically you just do a pull on it while it measures rpm/tq and AFR then it plots an HP/TQ graph usually with some compensation for loss, or which conversion factor to use, SAE etc (where a lot of the online battles take place on dyno figures)
i prefer dynapak's myself, mostly since theyre a lot safer and i don't walk over the roller when concentrating on the laptop, and i've felt they're more controllable/repeatable but YMMV
https://www.dynomitedynamometer.com/dyno-dynamometer-article.htm has a good overview of the different styles.
these are some of the books i have
https://www.amazon.com/gp/product/0837603005
https://www.amazon.com/gp/product/0470057572
https://www.amazon.com/gp/product/0837611083 (general motronic overview)
https://www.amazon.com/Bosch-Automotive-Handbook-Robert-GmbH/dp/0837617324
https://www.amazon.com/gp/product/0837615410
https://www.amazon.com/gp/product/1932494421 good starter book
https://www.amazon.com/gp/product/0760315825
https://www.amazon.com/Auto-Math-Handbook-HP1554-Calculations (updated ver)
http://www.amazon.com/Modify-Management-Systems-Motorbooks-Workshop/dp/0760315825/ref=sr_1_3?s=books&ie=UTF8&qid=1300143812&sr=1-3
this is another good book. it helped me figure out my boost leak issue and adjusting my apexi safc unit. get a boost guage and wide band reader to start. good luck!