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LNC - 003 Functionality Question

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Old Jul 9, 2017 | 07:04 PM
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Default LNC - 003 Functionality Question

I wonder how well the Secondary RPM limiter on the LNC - 003 would work as a WOT box for no-lift shifting. I really do not want to get the N2MB WOT box because an auto swap is in the works in the next 18 months.

https://www.summitracing.com/parts/lpe-l460105297
Old Jul 10, 2017 | 04:31 PM
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I use my primary setting on my car for launch and WOT shifting. It's wired into my clutch switch, anytime the clutch is in it's 4200 rpm or less.


I have my secondary wired to a switch for a rolling anti lag. Flip the switch and foot to the floor is 60 mph is 2nd. Third honk flip the switch and I'm in boost W0T going like hell.

Last edited by ss4luck; Jul 10, 2017 at 04:32 PM.
Old Jul 10, 2017 | 09:52 PM
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My thought was hook the Primary up to a momentary switch to use it for staging - kinda like a trans brake. Hook the Secondary up to the clutch pedal switch for WOT shifting.
Old Jul 11, 2017 | 03:40 AM
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Put it to the clutch switch and kill two birds with one stone.

Also I've learned the hard way and from reading tons of posts, take the stock clutch wires and tie them together (your car will start without the clutch pressed in) and run your own 12v source through the stock switch and to the LNC. If you follow LPEs wiring through a relay 9/10 times the car won't start. No one has figured out why, its just easier to bypass the stock "safety feature"

Last edited by ss4luck; Jul 11, 2017 at 03:41 AM.
Old Jul 11, 2017 | 07:39 PM
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Originally Posted by ss4luck
Put it to the clutch switch and kill two birds with one stone.

Also I've learned the hard way and from reading tons of posts, take the stock clutch wires and tie them together (your car will start without the clutch pressed in) and run your own 12v source through the stock switch and to the LNC. If you follow LPEs wiring through a relay 9/10 times the car won't start. No one has figured out why, its just easier to bypass the stock "safety feature"
I wouldn't be killing 2 birds with 1 stone. that would only give me 1 RPM limiter instead of 2....
Old Jul 12, 2017 | 01:41 AM
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You want a launch limiter and a limiter for WOT shifting right?

What do you wanna launch at?
If it's anywhere under readline, it won't matter what you set it to for WOT shifting, the effec twill be the same. Clutch in ignition goes out till you come off the clutch or t sees 4500 RPM. Two birds, one limiter.

Last edited by ss4luck; Jul 12, 2017 at 01:43 AM.
Old Jul 14, 2017 | 05:29 PM
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Originally Posted by HardcoreABN
I wonder how well the Secondary RPM limiter on the LNC - 003 would work as a WOT box for no-lift shifting. I really do not want to get the N2MB WOT box because an auto swap is in the works in the next 18 months.

https://www.summitracing.com/parts/lpe-l460105297
Have you tried the LNC003, yet? I'm considering the same thing.
Old Jul 14, 2017 | 06:49 PM
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Originally Posted by ss4luck
You want a launch limiter and a limiter for WOT shifting right?

What do you wanna launch at?
If it's anywhere under readline, it won't matter what you set it to for WOT shifting, the effec twill be the same. Clutch in ignition goes out till you come off the clutch or t sees 4500 RPM. Two birds, one limiter.
I will probably be launching at about 4500ish and shifting at 7000ish. That is going to put the engine below the recovery RPM after the shift....
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Old Jul 14, 2017 | 06:49 PM
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Originally Posted by jallen355
Have you tried the LNC003, yet? I'm considering the same thing.
I have not
Old Jul 14, 2017 | 07:49 PM
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Originally Posted by HardcoreABN
I will probably be launching at about 4500ish and shifting at 7000ish. That is going to put the engine below the recovery RPM after the shift....
Will it fall that fast during a "spilt second" WOT shift?
Old Jul 14, 2017 | 08:34 PM
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it won't simply "fall"
Old Jul 14, 2017 | 11:31 PM
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Okay......

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