Jump to content
SAU Community

Question about apexi S-AFCII

warrior_350
 Share

Recommended Posts

iijj Community Regular

iijj

Posted
Posted

Hey - got my SAFCII fitted & tuned today! Very happy with results. Mech. told me I should have used the Power FC instead - I said he shoulf pay me the two grand!!!

Anyway, I had a massive (read BIG) overfuelling problem on standard settings and the graph rose to about 90rwkw then dived at 4500ish rpm (falling below 70 rwkw) only to recover to 93ish at high revs. YUK!!! I knew that "boost was more than BANG...whimper...splutter!

So, at the same boost (10psi) it now looks (and feels!) the business with a smooth curve all the way to 6600ish rpm and 137rwkw. At 5500rpm it's now making 51 more KW! ! ! ! ! ! Money well spent it seems. What a relief!

The air-fuel ratios were previously dipping below 9.0:1 from 4500, and all the way to redline. With ratios now in the 13:1 to 11:1 range through the boost range, the engine can finally breathe!

Not bad for less than $800 altogether, including fitting and tuning!!!

The peak figure seems a little low compared to some of the guys on this forum, but I have tuned my previous car on three dynos, and the last was on this guys. My little NA VTEC produced 95+rwkw on two dynos, and then 77rwkw on this guys, so I've got a feeling it's one of those "conservative" figure producing dynos. Maybe I've got 150rwkw - who knows? - and who cares now that I've got the whhoooooossshhh back - and the punch wherever and whenever I need it.

iijj

PS wonder what 11psi feels like....hmmmm....just for a blat, maybe!?!

Busky2k Veteran

Busky2k

Posted
Posted

The SAFC will not change fuel economy of a car, cos at low rpm where the car spends most of its time, the ECU is running closed loop (and the SAFC's low throttle map corrections are cancelled out in the end) Only at WOT if your leaning it out some gains are to be had, but WOT chews fuel anyway!!! My fuel economy got worse when I got my SAFC, because I put my foot down alot more now :)

JimX Grand Master

JimX

Posted
Posted
Originally posted by Busky2k

The SAFC will not change fuel economy of a car, cos at low rpm where the car spends most of its time

Hehe, you make too many assumptions about my driving style :)

But yeah, I agree you won't much difference on the highway cycle economy. But with a lot of stop-starting, it can be slightly improved with the S-AFC, especially if you have your foot down a lot.

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share
Go to topic listing


  • Similar Content

  • Latest Posts

    • Kinkstaah
      Blue slip

      By Kinkstaah · Posted

      Sorry, are coilovers ACTUALLY ILLEGAL in NSW? They aren't in Vic, as long as they retain 70% of stock travel and the car is above 100mm off the ground. Does NSW actually have a law making coilovers actually illegal? RWC/Blue Slip/Engineering people not knowing the actual f**king laws boils my blood. Demand them to point to the documentation that states a coilover is illegal. (it may exist in NSW )
    • PranK
      Blue slip

      By PranK · Posted

    • GTSBoy
      Ethanol Content Sensor - Always at 11%?

      By GTSBoy · Posted

      But seriously, can we ask for the results of the "tip a bottle of metho into a nearly empty tank" experiment?
    • GTSBoy
      Blue slip

      By GTSBoy · Posted

      Hang on. Let me get this straight. The desire is to have coilovers, BC in particular, to be MORE comfortable on Sydney roads than stock suspension? Well, that's obviously not right. BCs have crude damping design at the very best, and typically hard spring rates. BC stands for Billy Cart. And then, the desire is to put in some shitty old worn out stockers, to get it blue slipped and then put the BCs back in? And then.....what? Not worry about getting pulled up by the Plod? Because you seem to have raised a worry about paying for engineering (which actually does solve all your legality problems) and still getting pulled up.... but the only problem there is that if/when that happens you have to show your paperwork at the inspection station. Whereas, if you just swap in borrowed shitty old stockers to get it slipped now, and then you get defected in the future, you have to go find more shitty old stockers then too. You course of action looks like this set of options: Buy brand new stock type dampers, and springs. probably cost a bit more than $1k all up, but will last for the remaining life of the car. Put them in, pass inspection, drive on them forever more. Hell, they could even be really nice Bilsteins and Kings or other lower&stiffer springs if you wanted. Get the car engineered as is. ~$1k. Buy new Shockworks coilvers (or MCA) and also pay for engineering. You're spending a lot more here. But these will be the best things that you could drive around on.
    • Dose Pipe Sutututu
      Blue slip

      By Dose Pipe Sutututu · Posted

      Might be worthwhile hitting up Facebook's groups, I know most of them contain terrible people and scammers - however you might be able to find someone that's in Sydney with factory suspension you could purchase and/or hire. Just do not send any form of money anywhere, in person cash only.
×
×
  • Create New...