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One Piece at a Time: My 1985 Diesel Suburban

Awesome. Is there a part #?
These are the new SPAL brushless fans (OE Corvette and Camaro) in a one-off shroud. A catalog shroud won’t be that different, but they don’t have that setup yet. It’s in the works

By the time my video hits, they should have more options online, but our wide stuff might be the last to get designed.

David
 
These are the new SPAL brushless fans (OE Corvette and Camaro) in a one-off shroud. A catalog shroud won’t be that different, but they don’t have that setup yet. It’s in the works

By the time my video hits, they should have more options online, but our wide stuff might be the last to get designed.

David
Those are nice. @Desert_K5 got a Camaro ss brushless fan when we did the genV swap. What are you using to drive the pwm?
 
How does one source these fans? Is there a part number or are they take-offs from the camaro/corvettes? I've been interested in brushless since losing a fan at Blazer Bash.
 
How does one source these fans? Is there a part number or are they take-offs from the camaro/corvettes?
For aftermarket, I’m told you can only source them through derale and other integrators as a part of a shroud assembly. They do nest in the shroud differently, but I think it’s mostly a capacity management tactic from SPAL.

No doubt, takeoffs from the salvage yard can work, but I don’t have the OE number, yet. I’ll share that info as soon as I have my hands on them. Story is that the two fans they used on my shroud came off a pallet of fans headed to GM, so the info should all be there.

David
 
What's the CFM rating? Would love to move to EFans, but haven't found any that follow enough air for the 6.5.
 
What's the CFM rating? Would love to move to EFans, but haven't found any that follow enough air for the 6.5.
CFM can be misleading, but these are rated a little over about 7000 for the pair at full froth. The big deal is a fans ability to drive a pressure change, and these are the newest version with a good bit of torque that should be able to draw a lot of air at static (how CFM is measured) and at speed, where a fan has to create a negative pressure inside the engine bay to allow air to flow over the cooler stack. I learned a lot from Tom and the group when we were chatting at SEMA, because I posed the same challenge, "I always thought I needed an engine fan for a diesel."

These fans suck a lot, and keep luxury prerunners (really heavy heat-making machines) cool in the desert through a thick cooler stack. And so, I said, "why not try?" I'll be the guinea pig. Our deal is just product testing.

David
 
CFM can be misleading, but these are rated a little over about 7000 for the pair at full froth. The big deal is a fans ability to drive a pressure change, and these are the newest version with a good bit of torque that should be able to draw a lot of air at static (how CFM is measured) and at speed, where a fan has to create a negative pressure inside the engine bay to allow air to flow over the cooler stack. I learned a lot from Tom and the group when we were chatting at SEMA, because I posed the same challenge, "I always thought I needed an engine fan for a diesel."

These fans suck a lot, and keep luxury prerunners (really heavy heat-making machines) cool in the desert through a thick cooler stack. And so, I said, "why not try?" I'll be the guinea pig. Our deal is just product testing.

David
Color me intrigued, following these closely. I need to replace my fan clutch soonish and will likely do the water pump and move to the bigger dirtymax fan. But if these work I'd rather go this way.
 
Got these two remarried and in the truck.

IMG_3679.JPEG

Getting this assembly stabbed is among my least favorite tasks. I always feel like it's ~525 lbs of mass just waiting to kill me. The trans jack makes that far less likely, but I still take it slow and get a buddy to help sight the assembly as it's moving into place.

IMG_3697.JPEG

Small tasks chew up the hours. I had to fix the threads on this fitting, and replace the mating female fitting. Between that and adjusting and aligning the shifter and trans detents, I ran out of time to get it filled and run through the gears.

IMG_3714.JPEG

I'll get back over to the OP tonight, and button up those final details. With the switch pro out, I'll have to do a hard trigger for the glow plugs to fire the 6.5.

David
 
I've thought about a roof rack on the crew cab for the Rubicon, but I'm afraid it's so tall anything in the rack would get tore up.
 

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