James Z31 Engine Blueprinting

Show everyone your mean datto projects/rides
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85_Z31
Datsun Master
Posts: 1494
Joined: Sun Jul 18, 2010 10:53 pm
Location: Rangiora North Canterbury

Re: James 85 Z31 300zx

Post by 85_Z31 »

After a nearly 2 1/2 month wait

Some Bling finally turned up

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Goes really far negative before the spring hits the inside of strut tower, front camber will never be an issue again

Also got one of these phenolic thermal intake manifold spacers, this was thrown in as a freebie due to my patience with my parts taking a ridiculous amount of time to turn up.

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I have an Inlet Air Temp probe hooked in to my data logger unit so i will be able to give some hard evidence that it actually lowers intake air temperatures or not. - looks well made and is supposed to be worth $80 us and it came with bolts and gasket maker.

Diff is still at the engineers, he is taking is time :(

EDIT > mail man really likes my place this week.

Mega Heavy Duty Polyurethane reinforced Z31parts.com diff mount
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And some Badass Stop tech FMVS-106 / DOT approved Braided brake lines ( actually for a s13 180sx )

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Diff mount picture above is actually for a OEM stock ugly low capacity cover, so i made a new L bracket, drawings have been prepared so the manufacturer for this diff mount can offer this as an option to the other dudes in the USA with 300zx Z31 Cars.
The Answer to your Question is NEEDS MORE VG30
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85_Z31
Datsun Master
Posts: 1494
Joined: Sun Jul 18, 2010 10:53 pm
Location: Rangiora North Canterbury

Re: James 85 Z31 300zx - Bling Delivery

Post by 85_Z31 »

Got off my Arse and fitted these up

Still gutted car wasn't at this stage 2 months ago like it should have been

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I would suggest with reasonable confidence that a S13 180 / 200sx braided brake line will fit a lot of diffierent nissan/datun models . And they are cheap off ebay.
The Answer to your Question is NEEDS MORE VG30
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85_Z31
Datsun Master
Posts: 1494
Joined: Sun Jul 18, 2010 10:53 pm
Location: Rangiora North Canterbury

Re: James 85 Z31 300zx - Bling Delivery

Post by 85_Z31 »

Been Ages since posting, mostly mountain biking getting fit for my wedding instead of working on cars.

4 Clutch LSD with up rated breakaway torque, z31 Parts.com Diff Mount , Z32 NA Rear Cover and Minty Fresh rebuilt and greased up axle shafts.



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I think After this only an Inter cooler is required for Cert
The Answer to your Question is NEEDS MORE VG30
datman310

Re: James 85 Z31 300zx - Finally got LSD in the car

Post by datman310 »

Looking good james, cant wait to go for a ride ! :burnout:
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85_Z31
Datsun Master
Posts: 1494
Joined: Sun Jul 18, 2010 10:53 pm
Location: Rangiora North Canterbury

Re: James 85 Z31 300zx - Finally got LSD in the car

Post by 85_Z31 »

datman310 wrote:Looking good James, cant wait to go for a ride ! :burnout:
Don't worry Steve, if i get it finished and running this weekend i will give you call so you can have a listen and go for a wee test drive down the road.
The Answer to your Question is NEEDS MORE VG30
datman310

Re: James 85 Z31 300zx - Finally got LSD in the car

Post by datman310 »

Awesome ! :highfive:
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85_Z31
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Posts: 1494
Joined: Sun Jul 18, 2010 10:53 pm
Location: Rangiora North Canterbury

Re: James 85 Z31 300zx - Finally got LSD in the car

Post by 85_Z31 »

So with the LSD all in the Car pretty much ready to go I thought i better get a rattle on and make a safety Drive shaft Loop

Its 50x5 Flat bar bent , with removable lower plate and additional gussets. Despite the fact that i started to make it Already i have emailed this drawing to the Certifier.

This will sit about 75mm behind the universal joint and as far as i know i have designed it beefy enough to meet specifications.

Random Bearing and Piece of thin alloy is to simulate the final thing
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The Answer to your Question is NEEDS MORE VG30
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85_Z31
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Posts: 1494
Joined: Sun Jul 18, 2010 10:53 pm
Location: Rangiora North Canterbury

Re: James 85 Z31 300zx - Finally got LSD in the car

Post by 85_Z31 »

Got the nod from the LVVTA cert guy for my design.

He told me to use only 2 bolts each side not 3

3 seems stronger but I will do what I'm told
The Answer to your Question is NEEDS MORE VG30
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85_Z31
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Posts: 1494
Joined: Sun Jul 18, 2010 10:53 pm
Location: Rangiora North Canterbury

Re: James 85 Z31 300zx - Finally got LSD in the car

Post by 85_Z31 »

Driveshaft loop has been a pain in the ass but nothing I can't handle.

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I had the drill the bolt holes much higher up than i expected due to the sheet metal on the inside of the cabin, so that meant that my lower plate was only a few millimeters from the drive shaft.

After a bit of Redesigning this is what i came up with.

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I am going to take this to the boys down the road to get it replicated it one single piece to make life easier with the LVVA cert guy and avoid NDT crack testing

I sill need to make a 100x100x6 plate for the inside of the cabin to spread the load from the bolts, There is enough room.

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you can now see why i had to drill them so high up
The Answer to your Question is NEEDS MORE VG30
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85_Z31
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Posts: 1494
Joined: Sun Jul 18, 2010 10:53 pm
Location: Rangiora North Canterbury

Re: James 85 Z31 300zx

Post by 85_Z31 »

Right

Got it finished up, High Tensile Bolts, spring washers on each end - Should do the job nicely


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Another Job Crossed off the Cert To Do List.
The Answer to your Question is NEEDS MORE VG30
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