Re:The truth about the afc hack!!!!!!!
 

Are you by chance pinging in low throttle dr. boost? :)

Re:The truth about the afc hack!!!!!!!
 

ok, who is running the afc hack without an itc or a btm? how much degrees should i retard the timing from the distro?

Re:The truth about the afc hack!!!!!!!
 

Nope, none at all anywhere. Perfect power all through the rpm.


I don't have a BTM and I have my timing almost as retarded as it will go. I am going to try and advance it a little and see what happens.
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Re:The truth about the afc hack!!!!!!!
 

Will the engine light flash if the boost is below 9.25 psi in my Civic? I mean, does the stock ECU handle the boost up to 9.25 psi and delivers the fuel needed?

Re:The truth about the afc hack!!!!!!!
 

Dr boost Can you tell us what your setup is and are you running a missing link or check valves?

Re:The truth about the afc hack!!!!!!!
 

If the boost is below 9.25 psi? Do you mean above? The stock ecu WILL NOT compensate for fuel under boost. You need some sort of fuel amnagement.


T-3 Super 60 at 8-11 psi (depending on how I feel)
Spearco fmic
DSM 450cc injectors
S-AFC
No missing link or check valves
timing is almost fully retarded at the distributor
No BTM

This seems to work just fine. I can't hear any pinging at all. Its just smooth and clean.
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Re:The truth about the afc hack!!!!!!!
 

on what engine?

Re:The truth about the afc hack!!!!!!!
 

D15B7 with a stock bottom end and a :-XBLOCKGUARD :-X which I would not recommend.
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Re:The truth about the afc hack!!!!!!!
 

The limitation of the MAP sensor (9.25 psi) has nothing to do with if you tune your AFC so that the MAP signal going to the ECU exceeds 3 volts.

Look at my ignition boost maps above... that's set for -40% across the board. If you start richening via AFC to around -35% (or richer) you've unstretched the maps enough to run off of them if you boost high enough.

Re:The truth about the afc hack!!!!!!!
 

No, i mean below 9.25 psi, I don't want to kill my engine ;) I understand that the ECU won't give my engine any more fuel if the boost is above 9.25 psi, but what if the boost is 0-9.25 psi?