BlackSol
BlackSol New Reader
6/24/08 3:51 p.m.

Hello anyone with any experience using a Power Card tuning device on Hondas or Miatas. Its really a fuel controller.

Thanks

MadScientistMatt
MadScientistMatt HalfDork
6/24/08 8:23 p.m.

Haven't used one but I have a passing familiarity with it since I work for a company that builds a very different tuning device for these cars. :) The PowerCard is a single purpose device: It can add injector pulse width but not subtract it. It doesn't let you add larger injectors but it seems at least one of the PowerCard products has the ability to control extra injectors.

93gsxturbo
93gsxturbo New Reader
6/24/08 9:33 p.m.

Why you would buy one of these instead of an A'PEXi Super AFC is beyond me. The AFC is a great unit for the price. The powercard is very limited.

BlackSol
BlackSol New Reader
7/5/08 3:37 p.m.

Is the Apex unit ok to do off dyno tuning. Is there complete instructions and every thing I'd need.

MadScientistMatt
MadScientistMatt HalfDork
7/6/08 6:41 p.m.

If I'm reading your other posts correctly, you're trying to supercharge a B16, run around 8 psi of boost, and avoid dyno tuning it? A dyno tune would help ensure you've got the most out of that combo; why leave horsepower on the table?

If you can't dyno tune it, I'd get a wideband oxygen sensor, a MSD Boost Timing Master, a rising rate fuel pressure regulator, and keep a very close eye on your AFR gauge. Well, actually, if it were my car, I'd Megasquirt it (the other possibility is to put in one of the various hacks for tuning the stock ECU - but I work for a Megasquirt company so it's what I know), put in larger injectors, and hit the dyno. But that's probably more work than what you're looking for.

gamby
gamby SuperDork
7/6/08 11:07 p.m.
93gsxturbo wrote: Why you would buy one of these instead of an A'PEXi Super AFC is beyond me. The AFC is a great unit for the price. The powercard is very limited.

I don't know about the powercard, but I dyno-tuned my 99 Civc Si w/ a V-AFC (and cam gears) with nice results. Nothing earth-shattering (it's an N/A B-Series--tough to wring anything at all out of it), but the torque curve was flattened nicely and we picked up 10hp in one spot of the powerband.

Also, w/ a piggyback device, plan on doing an OBD1 conversion--especially if you're doing cam gears. Otherise, welcome to a world of hard starts, stalling, crappy idle and CEL's. w00t.

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