SAFC before or after or inline with HKS FCD?

Sii

Member +
Guys,

Just about to wire in an HKS FCD and the car has a SAFC wired in, obviously they share the same wires.

Is there a rule to which has to go closest to the ECU?

Cheers

In the garage now on the laptop .....

Sii
 

scot-ish

Member +
that link is correct, i wired mine in last week like that

but what are you using the safc for when youve got emanange in??
 

HYBRID

Super Moderator <a href="http://www.toyotagtturbo.
hks fcd & safc = FAIL

u need to use a clamp type fcd not a resistor type..

kon
 

scot-ish

Member +
hks fcd & safc = FAIL

u need to use a clamp type fcd not a resistor type..

kon
is fitted on my car, and is working, and is used plenty plenty times on aus starlet before they used the SAFC on its own to drop the map reading

ive just build a FCD with a dual op amp, as a clamp circuit, and i will fit it next week to see if it makes much difference with it, im assuming the HKS works like by offsetting the map signal?? and if the signal was 5v, it would still give FC depending on which setting of the potionometer your using??
 

Derek

Lifer
Kabooooooooooooooooooooooooooooooooooommmmmmmmmmmm!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 

scot-ish

Member +
if you use an rrfpr and use the safc to trim the fuelling down (instead of trying to use it to add fuel) it works perfectly fine.

thts the impression i got, as i read up ages before i bought them, altho i wish i knew how cheap the emb is now, i wud have just got it instead
 
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