Ian's RB25 240Z build

A forum for owners of S30 and S130 Datsun Z's... 240Z, 260Z, 280Z and 280ZX!
iBang
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Joined: Wed Jan 21, 2009 8:33 am

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Hello everyone. I figured I'd post up my new build thread over here as well. Some of you who hang out on other parts of this site may know me as chixwithtrix's boyfriend aka the guy in some of the pictures working on her RB25 240sx. She convinced me that I needed to put at least my datsun project over here. I guess posting my miata drift car build wouldn't really fly on a nissan forum :D

I've decided that it is time to build one of my dream cars. I've wanted a classic Z car since I was probably 15 or 16. When I first got interested in cars the cars that I dreamed about were classic mustangs and Z's. 6-7 years later I've finally gotten started on my dream weekend cruiser.

The base for the project is a 1971 240z. All original (so far as I know) with 88k, this particular example of the breed has been sitting for a good long time. The last inspection sticker is for 1981 so its been off the road for 28 years, though it remained in running condition for a good portion of that time.

The original owner of the car was rear ended in it after some years of driving it and for whatever reason got so disgusted that he parked the car in his garage. 15 years later he died and his widow sold the car to the guy I got it from. It passed out of his ownership and back into it before I purchased it from him.

The condition of the car now is pretty good, especially for rust-prone original Z's. It has very little rust and what rust there is does not appear to be serious. The interior is pretty well gone from age and sun, and there are some rubs here and there that will need to be massaged out, but nothing serious.

I picked the car up last Saturday before heading to mineral wells for the drift event and the same day picked up my RB25 from mrhollister. The RB will be the new powerplant for the old Z. The L-series is a cool engine, but I have a fondness for the RB25 left over from the swap I did into chixwithtrix's 240sx.

Pics:



There's a lot to do so I don't really have a detailed plan of attack but the project should go about in this order:

Tear-down and inspection:- Inspect L-series engine for condition and attempt to get running before selling- Strip all interior and exterior panels off the car- Strip the car of paint- Inspect everything for rust damageRestoration and bodywork- Repair any rust damage found in tear-down- Metalwork to repair dents and dings, mostly on roof- Shave some markers and body lines- Modify stock fenders for overfendersFabrication- Mock up RB25 and make motor mounts if necessary- Weld in chassis bracing (no cage, just reinforcement)- Determine what power-steering rack to use- Cut holes as necessary for intercooler, radiator, air conditioning, etcRebuild- Too much to list here but I'll be rebuilding the car from the sheet metal up with nice new and refinished parts. This will take the bulk of my time and money.

Wish me luck everyone, this will be a long and expensive project, but I hope to have one of the nicer engine-swapped Z's in Texas once I get it finished.

I also just picked up a free 280Z shell today. Not in near as good a shape as the 240, but it is salvageable... not sure what I'll end up doing with it. It would be easiest to part it out and use some of it for the 240 and make money on the rest but there's just a part of me that wants to work on it and see it run. I'll probably try and convince a buddy of mine from Houston to come up and restore it along side my 240. Its hard to pass up a free Z...

It does have nice clean un-dented fenders which will be making their way over to my 240 as soon as I make sure there's no bondo hidden somewhere. I'll also be borrowing some of the interior from the 280 for the 240, but thats a while off anyway.
Modified by iBang at 5:12 PM 2/28/2009


iBang
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Joined: Wed Jan 21, 2009 8:33 am

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Some pics of the new ZGetting it strapped down onto the trailer. Getting a car without wheels onto a car hauler is interesting.The lonely 240Z, first car into the shop I'm splitting with some other guys.The 240's new buddy!

minnesotazcar
Posts: 74
Joined: Mon Oct 06, 2008 2:37 pm
Car: 1972 dautsun 240z

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Wow both look to be extremely clean examples. Some nice finds man will be a cool post to follow..

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gmac708
Posts: 1914
Joined: Thu Jul 31, 2008 1:59 pm
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1970 Datsun 240Z
1972 Datsun 510

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Cool I just started my Z-swap-RB-money pit too! Looking forward to getting more traffic on the "Classic Z" forums as well.Please keep us all updated.

chixwithtrix
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Car: Black '91 240sx drift car
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EDIT - wrong login

iBang
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Joined: Wed Jan 21, 2009 8:33 am

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Well I hope I can attract some more attention this way. Chix's build thread has been epic over on the 240sx section so maybe I'll try and replicated that over here... could be a little difficult. My car is prettier but I don't have boobs.

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gmac708
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1970 Datsun 240Z
1972 Datsun 510

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iBang wrote:Well I hope I can attract some more attention this way. Chix's build thread has been epic over on the 240sx section so maybe I'll try and replicated that over here... could be a little difficult. My car is prettier but I don't have boobs.
Ya, well you can always show a little leg...

I had a build over on the 240SX forum too (the kids 240) and was staying up on the CHIX build. That is a good one. I like the drifting parts as well. That forum gets a lot of traffic. Are you going to take the Z on the track too?

iBang
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While I will probably play with the Z on the track from time to time its primary function will be as a weekend cruiser. If anything it'll see some grip events since I don't really want to flog it like you have to at drift events.

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evildky
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I want your shop, OMG I could put all my cars under one roof! then I'd go buy mroe cars !

iBang
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Wish it was just MY shop. We just signed the lease on it so everyone else doesn't have their cars in yet. Once its done these two will probably be all I can get in there. On the plus side it will still be 100x better than my garage that I can't get cars into thanks to the hill that is my driveway.

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Watermelonwarrior
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I wish I could do a build like this. Cant wait to see the results.

uraznfriend
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I know that Mckinney motorsports has mounts for the rb

iBang
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uraznfriend wrote:I know that Mckinney motorsports has mounts for the rb
I was thinking of using the McKinney mounts but I'm a little worried that the are not going to position my Z31 transmission's shifter correctly. I know they were made to go with the stock RB25 transmission. I may talk with them and see because I really like their mounts that I used on chix's 240sx for her rb25.

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hitbychance
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nice clean cars, but MOAR pics haha

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evildky
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you don't ahve a lot of playroom for positioning the rb in the engine bay, remember you have to have a radiatro and waterpump! taht doesn't leave much room for play

and your builder appears to be a series 2 chassis so the shifter hole is a bit further back than earlier cars

iBang
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Good point, its not a VQ where you could put another engine in front of the first one.

The other reason I may custom make mine is that I want to try my hand at it for fun. Remember also that there is a vertical element of adjustment though that doesn't have much to do with my transmission length. I've heard that there is room for some vertical adjustment on the RB in the S30 engine bay.

No idea on the shifter location but my car is a '71.

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evildky
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if you use stock Z31 moutns it ut the engine high, the mckinney moutns and most home made kits lower the engine to the level taht the L6 sat, which allows for clearance oof the stock hood latch

you car si a late 71, when you need aprts it's simpler if you call it a 72, there was a substantial change int he chassis, the shipping embargo caused backups so the title year and production date stamp mean very little, the vin number is what matters, you's should be somethign higher than 18000, that makes ti a series 2 chassis, if it's 14000 or lower it's a series 1 chassis, the series 1 is lighter and hase some key differences that make it a pita when getting parts also more collectible but collectors don't want modified cars

iBang
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Update! Got a little further on moving into the shop. Unloaded an ungodly load of s*** out of my storage unit into the shop... need to throw about 99% of it out but at least I've got the unit unloaded so I can stop paying for it.

In the process I also removed the RB from the back of my truck where it has been chilling for a couple weeks and put it in the shop.

Pics:

Pulling it out



In all its beauty

The car, the engine, and the driver

Me using the RB and the Z as a recliner. More like failing to look relaxed while really being propped up on my hands so I don't dent the hood lol.

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gmac708
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1970 Datsun 240Z
1972 Datsun 510

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Now see... there was a perfect opportunity to show a little leg so you can compete with chixwithtrix!

Nice to see you got the engine. Is the new shop going to have ton's of equipment? Like a work bench? Looking kinda bare in there.


iBang
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gmac708 wrote:Now see... there was a perfect opportunity to show a little leg so you can compete with chixwithtrix!

Nice to see you got the engine. Is the new shop going to have ton's of equipment? Like a work bench? Looking kinda bare in there.
Its going to have pretty much all but a lift... we're still moving in.

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AlmightyWez
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Looks good man

noobdrftr
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this is definitely one thread im going to keep my eye on...so far so good

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Perrenial Badass
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Nice, I will be interested in seeing this build. Also, I vote to make the 280 a clone (daily driver) version of the 240.

iBang
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Unfortunately the 280 looks to have a bit more rust than I initially thought so I'm rethinking doing anything with it other than stealing parts off of it. I just hate the idea of cutting up any classic, espeically a Z but with the rear frame rails rotted out I'm not wanting to do anything with it. I may take the parts I need off of it and offer it to anyone who wants to take on a challenge for free. Its fixable, but I can't see myself doing anything with it since I have a clean 240.

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northstar ninja
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Car: 74 260Z, 92 240sx hatch.

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I'm looking forward to this build, as I'm currently a member of the NRRBZA (or the Non Running RB Z Association)

I'm rather Jealous of your shop... I wish I had a nice space like that to work on my car....

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nsrZ32
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Looks like a great project! Can't wait to see it come along

BR3NNAN
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nsrZ32 wrote:Looks like a great project! Can't wait to see it come along
x2

gerwalke75
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Car: 1976 datsun 280z

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slide that bad boy on in

Shady195
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Going to be sweet man! I love RB's in 240s....

Although personaly I want to do a VH45 swap in one

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AZhitman
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Awesome!!!

Love the huge garage space - I could fit my whole collection in there and have room for MORE!!!


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