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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.


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Old 07-15-2010, 01:24 PM   #1
Grappler
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Default Quick minor questions

So just getting things finished up so I can get my 7 out of the garage and driving before summer is over.

Q.1

According to that other forum bolts on the Powersteering rack for looping the lines are 2 m12x1.25 and 1 M16x1.50 both about 10mm long. Where can I find some? I have checked atleast 4 different hardware stores and none have them.

Q.2
I am using an Rtek ecu for my 6 port turbo setup and I have retarded the timing using arghx's timing maps should I enrich the map a couple percent or should it be fine till I get to the dyno. I plan on staying off boost just to be safe.

Q.3
Does anyone know which wire is a switched 12v line is on the stereo system? I was planning on tapping my gauges into there using the light on the cig lighter as a constant 12v and such.

Heres whats in my car
http://www.mnmazda.com/forum/showthr...s-Fire-Rebuild

Arghx's timing map that I am using
http://www.rx7club.com/showpost.php?...87&postcount=2






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Old 07-15-2010, 08:58 PM   #2
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Quote:
Originally Posted by Grappler View Post
So just getting things finished up so I can get my 7 out of the garage and driving before summer is over.

Q.1

According to that other forum bolts on the Powersteering rack for looping the lines are 2 m12x1.25 and 1 M16x1.50 both about 10mm long. Where can I find some? I have checked atleast 4 different hardware stores and none have them.
Fastenal or McMaster

Quote:
Originally Posted by Grappler View Post
Q.2
I am using an Rtek ecu for my 6 port turbo setup and I have retarded the timing using arghx's timing maps should I enrich the map a couple percent or should it be fine till I get to the dyno. I plan on staying off boost just to be safe.
Dunno, what are your lambda's like at cruise, idle, vacuum? Adjust accordingly and err to the rich side. Bring a spare set of plugs to the dyno and pull the old ones after the cars' strapped down before the fun begins

Quote:
Originally Posted by Grappler View Post
Q.3
Does anyone know which wire is a switched 12v line is on the stereo system? I was planning on tapping my gauges into there using the light on the cig lighter as a constant 12v and such.
Blue with white......... iirc........ how sad is that..... check the FSM to verify it. If you're using it as a turn on and the A draw is low, use an unsed circuit to provide power and the B/Y off of the Main Relay to power the relay for the gauges.

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Originally Posted by Grappler View Post
I think that's a bit to much split under the higher loads. Timing looks pretty good though. Maybe a bit too aggressive for a high comp engine though
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Old 07-16-2010, 08:24 AM   #3
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Are you using a turbo Rtek with turbo sensors?
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Old 07-17-2010, 01:01 AM   #4
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^ Yes I am

I have yet to wire in my wideband EGT and Boost gauge... :/

I just need to find that switched 12v line looks like I need to get digging in the FSM
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Old 07-17-2010, 09:17 AM   #5
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B/Y or B/W are switched 12V that are constant through cranking which is important. you're in the unfortuneate situation where you're still running all stock ign/inj components that rely on those wires so I would use them to power a relay, and that's all.

I BELIEVE that the L/W wire (audio amplifier?) is hot through cranking as well. I believe it's called ign 1 in that little box that breaks out the key positions. That's the one I would use UNLESS you have the factory amps still up and running.

Again, this is all through memory so I could be wrong.
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2015 Audi S4 - Samantha - Zero Brap S4
2004 RX8 - Jocelyn - 196rwhp, 19mpg fuel to noise converter
2000 Jeep Cherokee Sport - Wifey mobile - Now with 2.5" OME lift and 30" BFG AT KO's! So it begins
1998 Jeep Cherokee - 5 spd, 4" lift, 33" BFG's - Rotary Tow Vehicle
1988 'Vert - In progress
1988 FC Coupe - Gretchen -The attention whore BEAST!


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I'm pure Evil
I'm still insane, in the best possible way.
I think Brian's idea of romance is using lube.
Your rage caused the meteor strike in Russia. The Antichrist would be proud of his minion.
You win with your thread. Most everything
It's a truck with a steel gate on the back. Just a statement of fact

Motec M820, AIM dash, ported 13B-RE Cosmo, 6-spd trans, 4.3 Torsen, custom twin wg fully divided mani, Custom 4" split into 2x 3" exhaust, Custom HMIC, Custom custom custom custom I like to welder stuff....
No Bolt-ons allowed. Dyno'ed @ Speed1 Tuned by me - 405rwhp on WG.... WM50 cuming soon.
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