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Old 08-06-2015, 09:15 PM   #121
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Quote:
Originally Posted by dwnshft2drft View Post
Speedometer gear mounting kit:
Extension housing 32130-RRS50
Ball 32720-RRS50
Snap ring 32228-RRS50

6 speed with VSS plug are from early s15 the late type dont have them.
Thank you! But what about the actual plastic gear that sits on the shaft inside the tail housing? Am I doomed to track down a blown 5 speed and modify it to work? Or is there a direct replacement for the s15 gearbox?
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Old 08-06-2015, 09:52 PM   #122
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Thank you! But what about the actual plastic gear that sits on the shaft inside the tail housing? Am I doomed to track down a blown 5 speed and modify it to work? Or is there a direct replacement for the s15 gearbox?

They did not mention that gear part number. You need to modified other gears for test fit.
And for the extension housing you already have it.
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Old 09-04-2015, 08:33 PM   #123
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Originally Posted by shaggy0778 View Post
Not my car, but a friend of mine in Jacksonville is making over 400whp on an s15 6 speed. He broke the original trans after 3-4 months of dailying/abuse including launching with 275 radials. He's now on his second

Mustang dyno:
And this one is done too.....
Time to go 350z trans, finally.
There's a video on my IG of how noisy it is.
The last trans did the same thing until it just didn't want to go into gear at all and I'd get stuck in neutral while driving.
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Old 09-04-2015, 10:12 PM   #124
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If you drive it nice, it can last a long time at 400bhp. No hard launches, no slicks, no drifting, no terrible clutch kicks.

The only reason I am not using a six speed right now is because of their cir-clip issue.
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Old 09-27-2015, 01:23 AM   #125
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Riding in a tow truck at 3am. Just toasted the 3rd trans. Awesome.
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Old 10-23-2015, 09:03 PM   #126
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Quote:
Originally Posted by ShakotanGazelle View Post
Thank you! But what about the actual plastic gear that sits on the shaft inside the tail housing? Am I doomed to track down a blown 5 speed and modify it to work? Or is there a direct replacement for the s15 gearbox?

Did you figure this out?

I used the USDM "speedo drive gear" to suit my chassis, ie: speed sensor (5MT - KA - 95) and had it enlarged to fit (I.D.) 28mm.

This part is inside the transmission on the output Shaft, so get the parts guy that has experience with the exploded diagrams, and not the 18yr old.
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Old 10-24-2015, 08:47 AM   #127
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Quote:
Originally Posted by S13GG View Post
Did you figure this out?

I used the USDM "speedo drive gear" to suit my chassis, ie: speed sensor (5MT - KA - 95) and had it enlarged to fit (I.D.) 28mm.

This part is inside the transmission on the output Shaft, so get the parts guy that has experience with the exploded diagrams, and not the 18yr old.
I got a blown 5 speed for free so that's here I'm gonna steal that part from.

Anyone got the 6mt bell housing bolt sizes or a set I can buy? Bought a 5mt set but half the bolts are way too short - go figure
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Old 11-08-2015, 12:10 AM   #128
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circlip modification by neat gearboxes

https://neatgearboxes.wordpress.com/...x-circlip-mod/
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Old 11-15-2015, 09:15 PM   #129
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so what do s13 6 speed guys use for driveshafts? the s15 one i have is too long and the carrier bearing is like 6" too far back.
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Old 02-20-2016, 10:36 PM   #130
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If anyone is planning to ditch the dual mass flywheel, keep in mind that you will most likely need standard s13/s14 flywheel bolts. The s15 bolts are way too long. ARP seemed to be the cheapest. That's what I used with a Nismo/Autech flywheel.
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Old 02-29-2016, 07:07 PM   #131
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Is there anyone out there with confirmed drive shaft fitment info? my car is s14/abs car. I purchased what i was told is a 6-speed s15 drive shaft. Fits into output of transmission just fine but is too long. The rear section from diff to carrier is off by 1/2" approx. The front section is entirely too long by probably 2-3". Anyone else compile any data? I figure i can locate a stock rear section and have the front section shortened, but was hoping for a bolt in solution.
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Old 05-25-2016, 08:42 PM   #132
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I have an Autech S15/6 speed that I'm swapping in a Datsun roadster. It has 60K miles on it. I'm thinking that I should at least replace the clutch disc before I install in the car. thoughts? What clutch disc should I get to replace the one I have?
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Old 08-15-2016, 09:54 PM   #133
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Amazing write up we don't even have this much info in AUS about the gearbox.
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Old 08-15-2016, 10:01 PM   #134
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dam great job on the post
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Old 09-24-2016, 07:25 PM   #135
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I was re-reading this for some info about the gear ratios and using a calculator came up with a different gear spread, here is the modified version

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Old 09-26-2016, 09:13 AM   #136
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Quote:
Originally Posted by Kingtal0n View Post
I was re-reading this for some info about the gear ratios and using a calculator came up with a different gear spread, here is the modified version

You should probably keep the final drive the same for a gear set comparison. I'm curious what an S14 5-speed looks like compared to an S15 6-speed, both with 3.692 FD.

3.916 was only on A/T cars, 3.692 was M/T, and 4.08 was NA and all USDM models.
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Old 09-29-2016, 11:01 AM   #137
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Quick question if somebody dosent mind answering....

Bought a S15 6MT to put on my SR20DE drift car

It came with the shifter, but no knob so I bought an eBay special, I've tested all the gears and its fine...

But how do I engage reverse?! I've tried pushing down and pulling up but no luck? Do I need a special gearknob to pull up?

Bit confused haha

Sorry if this sounds stupid!


Also sorry again for bumping an old thread

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Old 09-29-2016, 11:19 AM   #138
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its a 90s 6 speed... so probably just push all the way to left and up, or all the way to the right and up or down. no need to push down or pull up on the gear shift.
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Old 09-29-2016, 11:21 AM   #139
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Looking at pics on one of the first few pages and it's all the way across right and down, next to 6th, sure I tried that though

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Old 09-29-2016, 11:22 AM   #140
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Do you have it installed already?
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Old 09-29-2016, 11:23 AM   #141
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Do you have it installed already?
Yes mate

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Old 09-29-2016, 11:26 AM   #142
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Theres a reset trick. Have some one push the car reverse while you engage clutch then force it to reverse. I had the engine running and be safe though.
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Old 09-29-2016, 11:27 AM   #143
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Theres a reset trick. Have some one push the car reverse while you engage clutch then force it to reverse. I had the engine running and be safe though.
What I'm asking is do you have to push the knob down or anything to put it in reverse?

I know how reverse works

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Old 09-29-2016, 11:31 AM   #144
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Looking at pics on one of the first few pages and it's all the way across right and down, next to 6th, sure I tried that though

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This is correct no downs or ups. If you still cant put it in reverse. Try the Japanese trick I posted.
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Old 09-29-2016, 11:42 AM   #145
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This is correct no downs or ups. If you still cant put it in reverse. Try the Japanese trick I posted.
How does that work? Do you keep pushing to the right and try put it in reverse?

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Old 09-29-2016, 11:51 AM   #146
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How does that work? Do you keep pushing to the right and try put it in reverse?

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Yes mate, while someones pushing the car reverse. Try it and let me know if this works. If it does I'll tell you what went wrong.
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Old 09-29-2016, 11:52 AM   #147
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All the way right and down how hard is that to understand.
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Old 09-29-2016, 12:24 PM   #148
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All the way right and down how hard is that to understand.
Because I didn't know that?

No need for the attitude.
Quote:
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Yes mate, while someones pushing the car reverse. Try it and let me know if this works. If it does I'll tell you what went wrong.
Wicked cheers for the helpful comments buddy!

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Old 09-29-2016, 12:40 PM   #149
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All the way right and down how hard is that to understand.


He's doing it right but he was just confused
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Old 09-29-2016, 12:53 PM   #150
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Because I didn't know that?

No need for the attitude.

Wicked cheers for the helpful comments buddy!

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No sweat mate! Hey wonder if you can help me out to find me a s15 evaporator box and s14a front bumper side cover/caps? (pictured)

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