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RB20DET into my 240Z


70 Cam Guy

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I have to apologize for the iphone pics in this one. This is very close to the current state. Still mocking the intake piping here

 

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And the stunning radiator from PRC Racing arrived. I started with their 24x19 GM double pass but asked them to cut it down to 17" height and angle the upper neck. For $40 they will cut down their cores and cap the top or bottom of your choosing. Since my water neck was one piece, that was no extra charge. Those guys are awesome!

 

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We are doing the exhaust so I can unbolt the back half of the exhaust at the diff to run the muffler/tip I have been running, or bolt on a straight pipe :D

 

I should have more pics in the next couple days. Juggling this project with my Toyota truck axle swap and a house search. My last couple months have been crazy!

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Hey Andy,

 

Great looking project. I am working on a very similar rb25/s30 project. Very soon I will need to plumb the wiring through the firewall. I would like to use the same setup as yours having the ECU near the glove box. Can you post a pic of where you went through the fire wall with your RB wiring harness?

 

Thanks

 

Bill

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Wow this project is moving fast!

 

I can't lie, I held off on making the thread til work on the swap started. Part of it has been a severe lack of free time juggling everything. I started the motor work back in January and progress has been Saturdays and after my day job. The swap itself has gone quickly since the mounts worked out in my favor and everything lined up.

 

I'm getting anxious and have been watching/listening to youtube videos of RB's and dreaming :lol:

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Hey Andy,

 

Great looking project. I am working on a very similar rb25/s30 project. Very soon I will need to plumb the wiring through the firewall. I would like to use the same setup as yours having the ECU near the glove box. Can you post a pic of where you went through the fire wall with your RB wiring harness?

 

Thanks

 

Bill

 

Thanks! I think it's down below the battery but I haven't actually looked too close yet. You can kinda see it in a pic I took tonight but I'll remember to take a closer look next time I'm at the shop

 

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Today I asked about the motor mounts again. They discovered them on accident one day when a customer car was in the shop.

 

Joey said they are early Volvo 6 cylinder mounts, still unsure of model but I don't know how many 6 cylinders Volvo made. He told me one our friends said they don't last long in (dirt) rally but for street they should be fine. They are made for a heavy old 6 cylinder so we figured they should work with the RB.

 

It's not totally perfect but I think it will be ok.

 

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They are pushing hard to finish up the loose ends. This is the kind of project I would love to do myself but just don't have the space to devote to the swap. Right now the project in the driveway is my Toyota truck project (solid axle swap and suspension).

 

The oil pan was more work than we expected. I started it by cutting the flange off and cleaning up the edges. I ordered a small block chevy pan from Summit to try cannibalizing into my RB pan. It was almost the same width but fitting it together was still a lot of work. Joey did the work on the pan after I cut the stock one.

 

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Here's the pan with exhaust. It's braced against the transmission like the SR's

 

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We definitely have much respect for Pat after doing this ourselves.

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Last update for today. Odds and ends....

 

The latest engine bay shot. The intercooler had to move in closer to the core support so the hood would closer lol :huh:

 

The bottle on the fender is the coolant bottle from Jegs

 

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Just a gratuitous shot of the mount, exhaust, and coilovers..

 

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The mock up of the air filter.

 

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This will eventually be my catch can. It started life as an MSR brand white gas bottle.

 

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man thats some good progress. tackling two projects at the same time is exhausting for time and money haha. it will all be worth it when u turn the key and go for your first drive! from the pics earlier i remembered where i have seen your car before. were you at the shadow cliffs meet last year? i dont remember seeing the car at the lake this year however, probably already under the knife? haha

 

i have seen very few fixed up Zs in our area around WC, probably hiding from the bad weather lately lol

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5816813415_9653df6ee9_b.jpg

 

We definitely have much respect for Pat after doing this ourselves.

 

 

 

 

Thanks Andy

 

Those motor mount look like Jaguar XJ6 motor mounts 1972-87 I believe. I used them for my rb20 swap. Fit like a glove. I bought another set for my 1jzgte swap but never used them. Now the real question where are they lol

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man thats some good progress. tackling two projects at the same time is exhausting for time and money haha. it will all be worth it when u turn the key and go for your first drive! from the pics earlier i remembered where i have seen your car before. were you at the shadow cliffs meet last year? i dont remember seeing the car at the lake this year however, probably already under the knife? haha

 

i have seen very few fixed up Zs in our area around WC, probably hiding from the bad weather lately lol

 

Wow you have a good memory! The car looked a little different then too. Were you one of the other Z guys? I remember a silver one with 350Z wheels and his friend, and then a green one I think. And you're right lol, the car was without engine and that weekend I was under my truck with the torch :lol:

 

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Here we were parked at JCCS last year. The silver Z is another local friend. He's got the full T3 suspension on his Z. He got t-boned on the front fender so he's been saving and massing parts to get it back on the road again.

 

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More to come this weekend. I need to get the photos off the camera again.

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More updates, in this post, another picture of the Volvo mount:

 

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More detail shots of the wire harness. I can't see where the actual hole is, it's pretty well hidden.

 

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Here's where the ignitor went:

 

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Intercooler piping finalized, I am really happy how it came out:

 

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We ended up using the RB25 compressor elbow and the RB20 compressor elbow to make one that will work for the setup:

 

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A heat shield is planned for the MAF.

 

The radiator is in. I ordered the PRC double pass everyone orders but had them cut the height down to 17" and angle the upper neck. The modification cost was $40. The radiator looks top notch.

 

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A shot of the HKS blow off valve. We turned it around so it wouldn't fill with water

 

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The coolant bottle was one from Jeg's, I like the location of it. Almost out of sight

 

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monster Bosch 044 fuel pump

 

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