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Author Topic: Sr20det And S15 6spd  (Read 3543 times)

Offline 1NZS12

Sr20det And S15 6spd
« on: 02:56:19 AM / 16-May-07 »
Hey i didnt know where else to put this but has any1 done an S15 conversion engine and  6SPD box??? is it possible??? any help id appreciate thanx

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Offline asparagus

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Sr20det And S15 6spd
« Reply #1 on: 02:58:35 AM / 16-May-07 »
Quote from: 1NZS12
Hey i didnt know where else to put this but has any1 done an S15 conversion engine and  6SPD box??? is it possible??? any help id appreciate thanx

Yes, it's definitely possible. No, I do not recollect anyone doing an s15 SR swap with the 6spd. It shouldn't be too different from any other SR swap
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Offline TalkingGoats

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Sr20det And S15 6spd
« Reply #2 on: 07:31:17 AM / 16-May-07 »
That is the route I am going WHEN I go SR I hope you do it first. That is a nicely ratio'd tranny. It would make for a perfect track attack set up.
I'd rather be a matchstick than a lighter.

Offline Gyuji

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Sr20det And S15 6spd
« Reply #3 on: 09:44:36 AM / 16-May-07 »
I hear the 6spd trannies are made of glass.. beware.

Offline TalkingGoats

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Sr20det And S15 6spd
« Reply #4 on: 09:54:44 AM / 16-May-07 »
Dude thats shit. What material are they using for the gearing? Or whats the HP limit? Under 350?
I'd rather be a matchstick than a lighter.

Offline erik_200sxdrift

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Sr20det And S15 6spd
« Reply #5 on: 04:16:57 PM / 16-May-07 »
Quote from: Gyuji
I hear the 6spd trannies are made of glass.. beware.

most people that get s15 motors but in the 5 speed tranny's
i think that the driveshaft is going to be a different size than an earlier sr20det
because of the tranny
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Offline DjayS12

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Sr20det And S15 6spd
« Reply #6 on: 05:51:19 PM / 16-May-07 »
The S15 tranny is less strong than the S13/S14 ones. But its a strong tranny.

It's like saying that someone who weight 300 lbs is skinny, compared to someone who weight 400lbs!

Offline @^*FeNdERbeNdeR*^@

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Sr20det And S15 6spd
« Reply #7 on: 02:19:15 AM / 17-May-07 »
I believe the issue is that the gearset for 6 speeds is fitted onto layshafts that are the same length as the 5 speed layshafts, so the gears themselves are narrower, have a lower mesh area and hence the rumour that they are "weaker" If you are going to be crashing gears, then this might be a problem, but personally I think the clutch would give out before the gearbox.

Also, from memory the S15 SR20DET ECU needs a signal from a tacho sensor built into their diff to function. There is a way to overcome this, but I'll have to look back at some of the magazine articles from the last 2 years lol. I think it was August 2005 in NZPC, but I can't find it right now...

I'll get back to you
« Last Edit: 02:26:37 AM / 17-May-07 by @^*FeNdERbeNdeR*^@ »

Offline 1NZS12

Sr20det And S15 6spd
« Reply #8 on: 03:48:46 AM / 17-May-07 »
Quote from: @^*FeNdERbeNdeR*^@
I believe the issue is that the gearset for 6 speeds is fitted onto layshafts that are the same length as the 5 speed layshafts, so the gears themselves are narrower, have a lower mesh area and hence the rumour that they are "weaker" If you are going to be crashing gears, then this might be a problem, but personally I think the clutch would give out before the gearbox.

Also, from memory the S15 SR20DET ECU needs a signal from a tacho sensor built into their diff to function. There is a way to overcome this, but I'll have to look back at some of the magazine articles from the last 2 years lol. I think it was August 2005 in NZPC, but I can't find it right now...

I'll get back to you


Thanx alot mate..where abouts are you in NZ??? im in AKL..Have you got any spare parts i just go mine the other day and im keen to get it up and running
Thanx. Sam

Offline @^*FeNdERbeNdeR*^@

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Sr20det And S15 6spd
« Reply #9 on: 06:00:32 AM / 17-May-07 »
Quote from: 1NZS12
Thanx alot mate..where abouts are you in NZ??? im in AKL..Have you got any spare parts i just go mine the other day and im keen to get it up and running
Thanx. Sam

Christchurch (Durty South/Mainland)

As for parts - none spare sorry mate. I'd keep an eye out for a parts car if I were you or keep trolling the wreckers. There seems to be a lot more written off down here than actually running on the road lol...

Start a project thread, tell us about your car and we'll discuss it more there...
« Last Edit: 06:02:25 AM / 17-May-07 by @^*FeNdERbeNdeR*^@ »

Offline @^*FeNdERbeNdeR*^@

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Sr20det And S15 6spd
« Reply #10 on: 11:45:54 PM / 18-May-07 »
Back to the S15 Engine and box

Yes it can be done, but the speedo drive is in the differential, so to get it certified here, you would have to either use the S15 diff as well as custom halfshafts/mounts etc or custom make a solution.

The guy I was thinking of used a proximity sensor from a Volvo truck and used that to pick up the number of revolutions of the driveshaft flange bolts (Pretty clever I think  )

So I guess you have to weigh up whether it is worth the trouble.

Cheers

Ryan
« Last Edit: 11:48:47 PM / 18-May-07 by @^*FeNdERbeNdeR*^@ »

Offline 1NZS12

Sr20det And S15 6spd
« Reply #11 on: 11:54:53 PM / 18-May-07 »
[quote name='@^*FeNdERbeNdeR*^@' date='May 19 2007, 04:45 PM' post='124510']
Back to the S15 Engine and box

Yes it can be done, but the speedo drive is in the differential, so to get it certified here, you would have to either use the S15 diff as well as custom halfshafts/mounts etc or custom make a solution.

The guy I was thinking of used a proximity sensor from a Volvo truck and used that to pick up the number of revolutions of the driveshaft flange bolts (Pretty clever I think  )

So I guess you have to weigh up whether it is worth the trouble.

Cheers

Ryan

i think it might be easier to go with the 5spd..haha

thanx for your help!

Sam

Offline seishuku

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Sr20det And S15 6spd
« Reply #12 on: 12:06:32 AM / 19-May-07 »
Some models of the S15 trans have the speedo port on the back half, but it's just plugged and only needs a sensor (I think, some have said it doesn't have the speedo drive worm gear either).
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Offline @^*FeNdERbeNdeR*^@

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Sr20det And S15 6spd
« Reply #13 on: 01:04:28 AM / 19-May-07 »
If I were you, I'd register over at AUS12 (Click Me) because they deal with a lot more JDM over there than the majority of American and Canadians on here (No offence lol) read thru some of the project threads, and remember only believe half of what the Australians say lol

Offline mikey

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Sr20det And S15 6spd
« Reply #14 on: 09:31:12 PM / 29-May-07 »
yeah i've heard the S15 6-speeds are like glass as far as trannys go and i'm not possitive but is the tranny physically bigger in size?  fitment issue?  i wanted to do it in my S13 but it seemed to intimidating.
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