523whp boosted K20 swap NB2 project
#48
No updated pictures to show yet, but we've had a couple transmissions variations in and out of the car, trans mount is prototyped, and the shifter setup is done and feels really great.
I'm hoping to get the Getrag stage 2 kit mounted in the car this week so I can order up a driveshaft. Then we can start playing with electronics to get a functioning VSS.
I'm hoping to get the Getrag stage 2 kit mounted in the car this week so I can order up a driveshaft. Then we can start playing with electronics to get a functioning VSS.
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KPower Industries
Home of the original KMiata Swap
K24 NC swap is coming in 2024! Learn more
info@kpower.industries
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#50
SADFab Destructive Testing Engineer
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Getrag diff.
In an NB vss is easy, you can actually drive the stock speedo with a square wave from an ECU or other source. NA will be interesting. I saw someone recently looking at some sort of motor with a speed signal from the ecu to spin the speedo cable..
In an NB vss is easy, you can actually drive the stock speedo with a square wave from an ECU or other source. NA will be interesting. I saw someone recently looking at some sort of motor with a speed signal from the ecu to spin the speedo cable..
Last edited by aidandj; 02-27-2017 at 10:18 PM.
#57
Adopting the speed drive cable with a mechanical solution would probably not be worth the effort I guess (whould require some adapter and a custom gear)?
Swapping the NB cluster into a NA is probably the easiest way to go.
Those transmissions are not really stout either (they blow up when bolted to a boosted 2JZ) and are a bit agricultural. They are also at least 10 years old and they lack a 6th gear.
Does not sound like a great solution.
What is the most common Getrag diff ratio? I guess that will be 3.73:1?
Combine that with a K24 which spins to 8000 rpm and you end up at roughly 145 mph top speed if your final gear of the box is 1:1
I think that sort of rules out the the tremecs with the huge 0.5:1-ish final gear. Having 6th at approx. 0.8:1 would be as far as you would go I think?