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Owens 3.2 build ,starting over


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#41 d3c0y

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Posted 29 May 2013 - 12:00 AM

Hope you have lined up a suitable gearbox. I have all but destroyed mine in 4 test drives basically around the greater block...

#42 ZED83

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Posted 29 May 2013 - 07:03 AM

Hope you have lined up a suitable gearbox.


I'm getting the full package, Fj20 gear box and R200 lsd diff to suit  ;)

#43 Retro Z

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Posted 29 May 2013 - 10:47 AM

Your going all out!!  Im jealous  ;D

#44 peter mc

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Posted 29 May 2013 - 05:43 PM

Getting there now will have it all together tomorrow

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#45 ZED83

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Posted 29 May 2013 - 06:22 PM

It's so clean!!!!  ;D coming together nicely.

#46 Lurch ™

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Posted 29 May 2013 - 07:36 PM

Oh no...! An electric water pump! :(

#47 peter mc

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Posted 29 May 2013 - 07:47 PM

yep he had it on the old motor and also has the twin idler lol owell 

we are only trying for 310hp , I'm going for a 1308 cam only 298 deg but has 590lift , I'm trying to make as much torque as i can under 5000 , as it will spend all its time on the road , if it was a track car it would have a 654a cam and it would make more over 6000 , and i would change the water pump and do more water mods

#48 ZED83

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Posted 29 May 2013 - 08:06 PM

What's wrong with electric water pumps pete? Is it best to change it!

#49 peter mc

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Posted 29 May 2013 - 08:09 PM

I have found on the race motors the EWP is not as good as the stock part , but on your motor i dont think it will be a problem , if we were after 330+ i would as you to change it

#50 peter mc

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Posted 30 May 2013 - 05:17 PM

It's just about ready for the dyno .

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#51 Gordo

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Posted 30 May 2013 - 05:55 PM

This is looking great. Love the hole setup. Can't wait to see the Dyno results. And Peter did less make those headers or are they SWM headers.

#52 dalee

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Posted 30 May 2013 - 06:31 PM

Gordo they are modified SWM, shortened secondaries from memory.



#53 peter mc

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Posted 30 May 2013 - 06:46 PM

Yer there the new race stroker SPEC pipe, we got sw to make them to our 3.4 SPEC. let's the big motors rpm

#54 Gordo

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Posted 30 May 2013 - 07:36 PM

Hey Pete, would my old headers work on the bigger motors?

#55 peter mc

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Posted 30 May 2013 - 07:57 PM

We can make your pipes the same Gordo , but its easier to start with a new set , the new pipe has a shorter primary pipe  buy 150mm and fatter second pipe that is shorter as well , when we did Jake's we made 3 sets of pipes and tryed new lengths and size and  these pipes are what we cam out with .

#56 peter mc

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Posted 05 June 2013 - 04:38 PM

The new cr fj20t box is done  8)

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#57 Gareth. J.

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Posted 05 June 2013 - 05:19 PM

So much candy! The big headers look shexy. Are the tig welded?

Ooooooh, What's the advantage of this box over a stock 5spd. Are they easy to come across?

This is going to be such a sweet ride Owen  8)

#58 peter mc

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Posted 05 June 2013 - 05:32 PM

Gareth the gears set is from kameari , its a 1st 2nd 3rd set and we have fitted a 5 gear so he can cruze with the 4.3 diff ,
for one there a much stronger gear set , and when you fit the big cams you dont want a gappy gear set like most jap boxes 2nd to 3rd is just to wide , and the motor falls off the cam and thats not cool ....  ;D 

#59 ZED83

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Posted 05 June 2013 - 06:27 PM

Sweet! at least ill have something that can take my bad driving  ;D  looks great pete  8) ill have the car dropped off this Saturday thought I'd get a set of cohoonies and just do it in stead of getting les to come pick the car up! Lol

#60 Xnke

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Posted 06 June 2013 - 01:35 PM

Mind sharing the ratios there? I just built a box in my floor, that had gear ratios I couldn't find in any Nissan box...Not sure if I scored a rare core or something. Nothing in Nissan USA got the below ratios, nor can I find a listing for any box with the gear widths in this one...2, 3, 4 are all 22mm wide, 1st gear is 24mm wide, input gear set is 22mm wide. 5th gear is still 18mm wide, with a high tooth-count pair...still the 240SX 0.754 ratio but with a third more teeth. Uses a 1997 Pathfinder 4WD synchro kit, but a 2WD bearing kit and case. The 2WD synchros would fit, but didn't allow the gearset to fit into the case...too long.

The ratios in my box are 3.321, 1.915, 1.517, 1:1, 0.754

The third gear...should be 1.308 to make it match with the gearset I was expecting. Second gear should have been 2.088, too...but I checked more times than I care to recall the tooth counts and kept getting the same numbers.




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