JR BTC picts

[zip]

Thanks for sending the picts Jim! I agree that the BTC looks like a quality piece. Too bad I wasn't warned it was coming out because I bought the MSD6BTM back in April. Oh well, I hope you and rjaffey give us the pros and cons of this new device when you put it through race conditions at the track!

[JRCivic]

Hey VtecNOGeek...

Do you think you could combine ALL FOUR threads concerning the BTC... I believe it would make it a lot easier to follow.

Just a thought...
Jim


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'93 Civic Si H/B with B18C1, JRSC @ 8psi
Best 1320: 12.68 at 110 mph

[HondaCivicEx98]

THIS IS JSUT TO CONTROL THE TIMMING , RIGHT?
NTH TO DO WITH DETONATION, RIGHT?
JUST WANTED TO KNOW HOW WOULD AFFECT THE DETONATION SINCE THAT IS POSSIBLE TO RUN AT 16BTDC.
THANKS

[Civic TSI]

What's the difference between this and the MSD 6BTM ?

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To 24 PSI, and beyond !
HS Le Club

[sjoback]

I think you get it painted a neat black color with a cool JR logo!

[sjoback]

recently, I also heard that it adds timing off boost. is this true? that would be cool. otherwise, bleh.

[JRCivic]

Yes, the rumors are true:

The BTC is NOT a re-badged MSD BTM. It is a re-mapped ECU and a Boost sensitive Timing Retard Control all wrapped up in one nice little package... there is NOT any type of Ignition amplification here.

The timing and fuel curves have been optimized: the timing is slightly advanced from idle to 3000; then progressively retarded from 3000 to 5000; then barely advanced again from 5500 to redline. The BTM knob is a "Click" type control with 21 positions (0 to 2' in 1/10th degree increments). VERY PRECISE.



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'93 Civic Si H/B with B18C1, JRSC @ 8psi
Best 1320: 12.68 at 110 mph

[Holden]

Jim: Can you tell us what it does to the fuel curve?

Also, how is the retard setting used? Is it a factor used for both raising and lowering timing and applied all the time? Or does it just determine how much retarding happens after 3000? Does it affect the timing advance after 5K?

Thanks,

Greg

[SPRCHRGD]

<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Civic TSI:
What's the difference between this and the MSD 6BTM ?

<HR></BLOCKQUOTE>

The BTC was desingned with the Honda timing curve in mind, as the MSD BTM is a universal piece, and the BTC has more accurate dial in measurements...

Someone correct me if I am wrong...

[randomwalk101]

I'm just curious but how many hp will the JR BTC will give you? Also how many MPG fuel saved?