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shogun!

Shogun, from stock to extreme +700hp

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mad CA build, cant wait to see a dyno graph and hear it run. dont mind the styling, expect for the front bar/wing :P

 

what racing plans do you have in mind? track? drags ect

 

don't forget to have a look at some other members build ups, maybe you ll get some ideas.

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hey man there is another guy on here that has a 700hp CA18, he is from Sweden, comes on every now and then, he has blown his share of engines over the years but i think recently he has built a CA18 with 700hp. goes by the name Mobne. im sure he could help you on your quest to a high hp CA18.

 

he has heaps of video's on youtube also, ill try and find one of them.

 

*edit*

here is 1 from awhile back, anyway click on his other vids he has heaps, and im sure he will be glad to help with any questions you ask, good luck and keep us posted.

 

 

http://www.youtube.com/watch?v=DmOY8CLoTDM

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hey man there is another guy on here that has a 700hp CA18, he is from Sweden, comes on every now and then, he has blown his share of engines over the years but i think recently he has built a CA18 with 700hp. goes by the name Mobne. im sure he could help you on your quest to a high hp CA18.

 

 

I know Ted already so that's cool, but thanks for the input anyway. Much appreciated.

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mad CA build, cant wait to see a dyno graph and hear it run. dont mind the styling, expect for the front bar/wing :P

 

what racing plans do you have in mind? track? drags ect

 

don't forget to have a look at some other members build ups, maybe you ll get some ideas.

 

Good advice. I will certainly have a look. I love to add useful ideas.

 

The front bar has been on the car for the last 10 years and a little bird whispered something about "Works9" ;)

 

Mainly I use the car on the street but also at 1/8 Mile and 1/4 Mile.

Of course I attend Track days and Japmeet as often as possible too.

 

Thanks again for the advice :D

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mobnes ca is an animal. his got a few new videos on your tube with his new power figure.

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RingSpacing1.jpg

 

 

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only if more people spent as much time taking and uploading photos.

 

love watching the whole buildup.

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Upgrading the brakes.

Front 350z track edition discs and Z32 calipers.

Rear Z32 discs and calipers.

Bolt on.

 

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This is how I rebuilt a Z32 gearbox to fit my car (200sx S13 with ca18det).

 

The good thing about it is that you can reuse the nice clutch you already invested in for your S13. I have a twin disc OS Giken clutch, bought for my S13 gearbox. Both gearboxes have the same dimensions on the ingoing splined shaft, release bearing, sleave etc. This makes it an absolute fit. The gear ratio is slightly higher. My car had before a top speed of 282km/h at 7800rpm. With the ratio of the Z32 gearbox and new tyres it will make aprox. 305km/h. Hope you like it.

 

Clutch: Same as S13 (clutch, bearing, release sleave, starter motor, flywheel)

Weight: A bit heavier because of internal dimensions

Length: A bit shorter (reuse the yoke from the Z32 and the rear part from theS13 and make a new, longer prop shaft)

Gear ratio: A bit higher (~5%)

Shift stick: Reuse the one from Z32 or buy a new short shift

Welding in cast aluminium: You need a TIG or go to a welding shop (sand blast the weld area to make it clean and easier to weld)

 

Z32 original gearbox from a Twin Turbo 1994

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Disassemble the clutch housing (Z32)

 

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Parts to remove to disassemble the clutch housing. Not shown are the screws on the outside (remove), attaching the cluth housing to the gearbox.

 

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Remove all screws around the cover and carefully lift it off

 

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Remove both snap rings and the stopper ring

 

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Be careful not to lose any important washers or shims

 

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Important! First remove the screw, spring and ball before removing the complete interlock assembly, the ball might fall into the gearbox.

 

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Before you disassemble the clutch housing of the S13 gearbox, you have to make a centering device. Use a plexi glass plate (10mm) and drill a 16mm hole in the centre, put the plate over the shaft (snug fit) and carefully drill 4 small holes exactly in the centre of the holes where the gearbox is attached to the motor. Remove the plate and carefully drill the holes just as big to get the screws in

 

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Result

 

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Remove the clutch housing from the ca18det S13 gearbox. It is more or less just to remove the screws on the outside of the clutch housing, remove the cover and one snap ring.

 

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Remove the snap ring under the cover

 

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Comparision between the both gearboxes. One is useless over 350-400Bhp, the other last well over 1000Bhp and more.

 

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Use an angle cutting machine and cut off the flange from the S13 gearbox ca. 50mm, take it to a machine shop and have it grinded down to 45mm. Important to get it absolutely flat and equal all around.

 

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Use an angle cutting machine and cut off the flange from the Z32 gearbox ca. 40mm, throw away the flange and take the rest of the clutch housing to a machine shop and have it grinded down to 355mm. Important to get it absolutely flat and equal all around.

 

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Both parts after grinding, cleaning and reattaching the clutch housing on the Z32 gearbox

 

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Put the S13 flange snug to the Z32 clutch housing and attach the centering plate with four screws

 

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Side view

 

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Top view. Important to align and rotate them like on the picture

 

If you do not own a TIG-welding machine, you go to the machine shop again and have it carefully welded together, both from the outside and the inside

 

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Reuse the shift stick bracket from the Z32 gearbox. You have to cut out some small triangles from it, bend it to a Z-shape to fit the S13 under body and then weld the cut outs together. (borrowed picture)

 

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The new short shift

 

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A small change of shift stick position compared to the original (borrowed picture)

 

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A plate to cover the hole at the shift stick (borrowed picture)

 

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A bracket to hold the gearbox in place (borrowed picture)

 

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Aligning the gearbox with the rear axle. Put a steel tube in the gearbox, aim it towards the centre of the rear axle flange and find the final position of the gearbox bracket. (borrowed picture)

 

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Side view (borrowed picture)

 

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Front view (borrowed picture)

 

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The prop shaft. Mount the Z32 yoke in the gearbox and the original flange on the rear axle. Measure the centre distance between the loops in the yoke and in the rear flange. Use this measure and go to your local prop shaft supplier and have him to make your new prop shaft. The shaft rotate at about 10.000rpm at max speed so it has to be dimensioned for the forces and also balanced.

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Ooops! What has happened here? Something came off ;)

 

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I really like your work shogun :) I have been watching your threads with interest...

 

The only thing I am cringing at is the vertical scratching on your bores, it may not look like much, but be very careful, don't assume that the bed in process will even those out..

 

I have experienced a similar scenario, whereby those little scratches that seem insignificant at the time became 20 thou deep ruts after a couple of months and significant blow by and oil burn occurred...

 

I would hate for you to have issues in a few months time after the amount of time, effort and dollars you have put in...

 

Cheers mate and keep it up :)

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I responded in your sxoc thread..

 

I should have realised you have it all under control..

 

Cheers :)

 

Matt

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That's ok mate. A piece of advice is allways welcome :D

 

God! I love your project. It is awsome!

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That's ok mate. A piece of advice is allways welcome :D

 

God! I love your project. It is awsome!

 

 

Thanks mate :D

 

If I ever get to actually start it lol....

 

Feel free to add me to messenger if you wish... whosaysim@hotmail.com

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keep us posted! I'm loving the photos and the detail your giving us :thumbsup: top work champ :yes:

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Some minor things I did to improve the handling ;)

 

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man its like looking at ca18/180sx catalog here... i am getting so jealous haha...

 

just wanted to say excellent work man... you have put in loads of effort, hopefully you end up with that weapon of a ca18 you are after...

 

also, keep the pics coming :D im drooling still..

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Device to correct the speedometer. Needed because of the different speed signals and gear ratio in the Z32 gearbox. It also handle changed wheel/tyre sizes etc. The sensor signal to the speedometer is handled to show the correct speed on the speedo. It also show the max speed from the latest run by pressing a button.

 

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Today I picked up the new turbo from Logo31-3.gif.

Without doubt they are skilled experts in the world of turbos. Dick has made an excellent job. There is nothing about this SX700S that is standard. Top Class Dick! 1000 cheers!

 

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twin scroll? going to run twin gates?

 

Nah. I will use one Tial V44 and split the gate tube from the ex mani with a separating wall.

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Awesome build, love the CA18 - Mark Bourne runs 8.5 @ 153mph in datsun 1200 ute over here in QLD.

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