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Apexi safc for V8?

Questions and comments about various aftermarket parts and companies who sells these parts. You could also review sellers you've purchased from.

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Posted: Tue May 08, 2007 12:57 pm
Joined: Fri May 04, 2007 11:19 am
Location: Under the Hood
Posts: 2
Ok so im planning on designing my own remote turbo system, and in order to get the right air/fuel ratio I am thinking an Apexi safc would work. My buddys have put these on their cars like a sec gen RX-7 and a 300zx z31. Would the safc work for my LT1 camaro? or would a Nelsom pmc work?

Posted: Tue May 08, 2007 4:29 pm
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Posted: Fri Jul 13, 2007 11:32 pm
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The thing about Apex'i safc and vafc is that they don't allow you to control ignition timing. So if you are only looking to tune the air/fuel ratio, the Apex'i controllers work well for a lot of people with low boost applications.

Keep one thing in mind; these units are designed with Japanese imports in mind, their website even explains this. They do claim that you can use it on any EFI equipped car, and you probably can, I just wouldn't use something that toyed around with my computer's fuel maps if it wasn't designed for my computer AND engine. You just don't know what it's doing.

If I were you, I'd just take the time to learn the art of tuning fuel maps and do it the right way. You can control a lot more of what is going on, and datalogging is just plain helpful in so many ways.

Back when I was tuning my Civic, people on Honda forums mainly used the Apex'i systems for modest home-built turbo setups. But for those who want to do it right they usually chip the ECU and tune it with Hondata or a similar program to tune the ignition timing as well as the a/f ratio.
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