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well from wath i know, blownb310 been ice racing its daily 4wd for 2 or 3 years now without problem with 115hp at least (ga16de)
 

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Discussion Starter · #3 ·
115hp on ice races aren't exactly what I've planned, more like well over 200hp and tarmac (if I can make it legaly here in Finland... :rolleyes: )

But that 115hp daily for two or three years sounds like it is quite strong :) If I can get it done legaly here, then I'll probably drive it about once a week if weather is good.

But how about if there is 300hp and about 300lb/ft of torque?
 

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im sure it will be up to the task... wath will need to be done to help it sustain that much power will be engine mount (more solid) drive shafts (those too) and a stage3 clutch with spring... nothing like a solid sprung clutch to destroy a transmission if its mounted on soft engine mount.
 

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Discussion Starter · #5 · (Edited)
I was more concerned about internal parts of the gearbox and that "divide box" where it divides power to rear wheels (what it is in english?) but engine mounts will definately be changed as well as the clutch. I wasn't thinking about changing the driveshafts but I know one place here that makes custom driveshafts for about $150 each. If I change all driveshafts, then it will be about $600, but they give lifetime warranty and they promise that one driveshaft will hold 1000hp :thumbup:

Someone with 4wd B12/N13, could you take pictures about that "divide box" and how much space it takes? I'm thinking about fitting Mazda rotary engine (maybe 12A or 13B) with turbo to 4wd Sunny, but because I don't yet have 4wd Sunny and I haven't ever seen one, I don't know could it be possible. In rotary engine the ports are on the back side of the engine where that "divide box" is in that tranny, so I'm not sure is there enough space.

I know that the engine won't fit straight to gearbox and there are plenty of other things to solved (like cooling) but I'd like to try it. Not because it's easy (or reasonable :rolleyes: ) but because it's challenching and as far as I know, it hasn't been done before.

Pics about the transmission would help a lot :)


Edit: Seem that there is no way to get it fitted, just look at these pictures and think:
http://demo.april.fi/ricerockets/index.php?option=com_akogallery&Itemid=32&func=detail&id=5
http://demo.april.fi/ricerockets/index.php?option=com_akogallery&Itemid=32&func=detail&id=6

The exhaust ports are just in wrong place. Unless I'll make some "interesting" looking intake and exhaust manifolds, I wont get it fitted. But I still want to learn more about that 4wd transmission, because I heard that with using CA18 Prairie gearbox, even CA18DET can be fitted :)
 

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okay, the "divide box" your talking about is called the "transfer case" in english. Considering my engine is 70hp and people have problems with their transmissions wearing out with that to tame, i'd say you may run into problems with that. Though from personal experience, if you change the gear oil when recommended and shift properly, your sentra will treat you well. My 4wd transfer case has NEVER had ANY problems in over 100,000 miles, and it shows no signs of giving up yet even though i use it regularly.
 
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