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Old 04-21-12, 02:04 AM   #16
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Old 04-21-12, 05:58 AM   #17
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z33:
1st Gear Ratio 3.79:1
2nd Gear Ratio 2.32:1
3rd Gear Ratio 1.62:1
4th Gear Ratio 1.27:1
5th Gear Ratio 1.00:1
6th Gear Ratio 0.79:1

w58:
First Gear: 3.285:1
Second Gear: 1.894:1
Third Gear: 1.275:1
Fourth Gear: 1.00:1
Fifth Gear: 0.783:1

crazy how identical the last 3 gears are. what i've read about the w58 and the 3.91 your around 3krpms at 60mph in 5th.... kind of a bummer to me personally, but i would imagine 1st and 2nd being quite fun with 200wtq from basically idle! seems you gotta go with a 3.76 or 3.26 when going manual with these cars
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Old 04-21-12, 06:13 AM   #18
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Quote:
Originally Posted by iridebmx View Post
z33:
1st Gear Ratio 3.79:1
2nd Gear Ratio 2.32:1
3rd Gear Ratio 1.62:1
4th Gear Ratio 1.27:1
5th Gear Ratio 1.00:1
6th Gear Ratio 0.79:1

w58:
First Gear: 3.285:1
Second Gear: 1.894:1
Third Gear: 1.275:1
Fourth Gear: 1.00:1
Fifth Gear: 0.783:1

crazy how identical the last 3 gears are. what i've read about the w58 and the 3.91 your around 3krpms at 60mph in 5th.... kind of a bummer to me personally, but i would imagine 1st and 2nd being quite fun with 200wtq from basically idle! seems you gotta go with a 3.76 or 3.26 when going manual with these cars
Good point!
Even the 3.76 would be borderline too short. In stock Z's with a 3.55 rear, first gear is darn near useless because of how quickly you need to shift. On SC's making over 250rwhp, I wouldn't consider anything besides the 3.26. It's fairly close to Nissan's 3.3 auto which is a very common swap for people pushing boost.
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Old 04-21-12, 06:22 AM   #19
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did some more searching as this interests me now.

i used this calculator i found that uses excel and put in the gearing for the 3.91 and z33 and the 3k rpm thing was for 70mph not 60mph.
http://www.diffsonline.com/techinfo/...Calculator.xls

also your not going to hit 60 in 2nd unless you switch to a 3.26 and thats near redline, something to think about using the z33.

I WANT!!!

Last edited by iridebmx; 04-21-12 at 06:27 AM.
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Old 04-21-12, 08:00 AM   #20
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Old 04-21-12, 08:43 AM   #21
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I'm more interested in the shifter. I would like to see this adapter for the shifter.
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Old 04-21-12, 09:46 AM   #22
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That shifter housing is too long , it will come through your armrest lol, you may be able to shorten the rod and cut couple inches of the shifter bracket , and that will move it a couple inches forward.

Last edited by 99SC42; 04-21-12 at 09:55 AM.
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Old 04-21-12, 02:39 PM   #23
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Wow I will really need to swap my Rear end then. I got the 4.08 auto rear gearing. did i just read that MK3 supra diffs fit? I thouht only MK4 diffs were bolt on, and i never though about length. in pictures it looked about that same as the R154 shifter extension so i thought it would be about right lenght. More info on the clutch setup and stuff would be nice
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Old 04-21-12, 03:46 PM   #24
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Shifter must be shortened here is a couple of ideas

Cut and weld


Or find this bracket (someone in tampa fl makes them)
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Old 04-21-12, 07:20 PM   #25
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Quote:
Originally Posted by Revhead95 View Post
Wow I will really need to swap my Rear end then. I got the 4.08 auto rear gearing. did i just read that MK3 supra diffs fit? I thouht only MK4 diffs were bolt on, and i never though about length. in pictures it looked about that same as the R154 shifter extension so i thought it would be about right lenght. More info on the clutch setup and stuff would be nice
No the MK3 does not fit. MK4's GS300 (JZ147) all fits
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Old 04-23-12, 07:18 AM   #26
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the GS300 has a different rear end? i thought they were the same as the SC300s rears
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Old 04-23-12, 09:13 AM   #27
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yeah it's physically the same but the gear ratio is different
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Old 04-24-12, 06:03 AM   #28
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Glad to see we can use a Short shifter for the Z with this swap. now what about speed sensor with this trans? and also since its a six speed is there a Reverse lockout to stop you from going into reverse instead of 6th when driving>?
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Old 04-30-12, 02:35 AM   #29
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Quote:
Originally Posted by Revhead95 View Post
Glad to see we can use a Short shifter for the Z with this swap. now what about speed sensor with this trans? and also since its a six speed is there a Reverse lockout to stop you from going into reverse instead of 6th when driving>?
yes u have to push down, then to the far right and down to engage reverse
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Old 05-01-12, 12:02 AM   #30
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Reverse lock out requires the original shifter plate which didn't come with the trans I bought. I'm done with the swap and been driving it for a week and I doubt that you can engage reverse after fifth gear. Trans shifts great at any rpms but I am using the "cd009" version. For anyone that is not familiar its the revised version which nissan released in 2006.

I would not use anything from 2005 and earlier just as a precaution.

Gearing is very short with the stock early sc400 differential. I might swap it with a late model sc400/gs400

I'm crusing 50mph at 2k rpms in 6th gear. But it does accelerate very quick.

Very solid trans so far.

Last edited by sc4doubleO; 05-01-12 at 12:06 AM.
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