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Old 04-04-2012, 12:29 AM   #1
2genfun
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Default greddy fcd/bcc

um quick question...since the directions i got for my bcc were in japanese, anybody know where to find the wiring schematic for a 7mgte?
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Old 04-04-2012, 03:18 AM   #2
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AFAIK, the BCC won't work on a MKIII.... It'll work on the MKIV, MR2, Celica turbo because the ECU in these cars use the boost signal to supply the ECU with information. The MKIII's boost sensor is only there for the purpose of driving the boost gauge. Do you have a BCC or an FCD?

Nevermind I see it intercepts the TPS' VTA signal. Nonetheless I don't believe the BCC will serve any appreciable function on the MKIII.
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Old 04-04-2012, 05:41 AM   #3
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i have a bcc
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Old 04-04-2012, 06:56 AM   #4
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I don't see how that's going to do anything for you. The MAFT Pro piggy-back for example can modulate the TPS signal but on the MKIII it's only useful to ensuring that the ECU is operating in open loop when you want it to (ie: if you want the ECU to go into open loop at 50% throttle versus the stock 75% throttle). It's not used in calculating fuel cut.

I didn't look at the specs in detail, does the BCC also have FCD functionality (frequency clamp for the KVAFM)?


EDIT: I've found a few posts elsewhere stating that it isn't compatible with the MKIII... The MKIV is the only Supra it's compatible with. Does that one say 7M-GTE or MA70 on the label (or a model number)? If it does then can you post a picture of the directions ans we'll see if we can't get it sorted out?
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Last edited by cre; 04-04-2012 at 07:11 AM.
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Old 04-04-2012, 08:19 PM   #5
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i see you mention the maft pro piggy back, iv heard so much about it on this fourms but never quite found where i could buy one and what benifits i would exactly offer. what i would like in lamens terms is would this help spool quicker offer some added performance whith out much modification. iv seen a piggy back from venome on hoarse power freaks for the mk3 but i have had no one whith a good expirience so i dont really want to buy. what would you say
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Old 04-04-2012, 11:42 PM   #6
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Originally Posted by pandrade View Post
i see you mention the maft pro piggy back, iv heard so much about it on this fourms but never quite found where i could buy one and what benifits i would exactly offer. what i would like in lamens terms is would this help spool quicker offer some added performance whith out much modification. iv seen a piggy back from venome on hoarse power freaks for the mk3 but i have had no one whith a good expirience so i dont really want to buy. what would you say

I've covered the various tuning options out there, including the MAFT Pro, to a sickening degree. Please seach a bit and you'll find some posts by myself with a significant amount of information on the MAFT Pro and MAFT Gen II.

I wouldn't buy anything by Venom for one of my vehicles or anyone else's. I have installed ONE component for a customer but I tried like hell to talk them out of it and made sure they were aware I accepted NO responsibility if it fails and causes damage.
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Old 04-05-2012, 01:49 AM   #7
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i hate to be THAT GUY that ask the millionth time but i just needed a dumbed down is it worth buying if all i want to ever hit is 500hp. all the other results are so technical i do get lost some times( im young dont understand the heavy teck talk quite yet) sorry for asking an obviouse answer
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Old 04-05-2012, 04:09 AM   #8
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I don't know which of my posts you've read on the matter but most of them are as "dumbed down" as you'll get. Over 300RWHP you don't get the choice of "easy" or "basic" anymore unless you're looking to add "perpetually broken" to that list of descriptors.

The easiest option you'll find would be to buy an AEM which plugs right in to the OEM wiring harness and pay a GOOD tech to tune it all for you.... $$$$$
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