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Old Nov 29, 2020 | 07:46 AM
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Default Radiator/Shroud Pipe Clearance

So, I put the shroud in and there is no where near enough clearence for the piping. Perhaps this new shiny CSF Radiator is not going to work for me. I took out the fan shroud and the best I can see with the pipe in there I have about 1" to 1.25" of clearance. I could go two routes. One , take a look at a thin fan shroud and see if that will fit or call it a mistake on radiator and go buy one that will give me the room I need. So, tell me what radiators are being used successfully with the OEM fan shroud for the Vortech supercharger setup? I am guessing that will need to be the solution to this problem. I will post a few pics in just one moment.


Update:
So, I decided to measure this CSF compared to the OEM radiator. So both of them are the same thickness at at the mount points at the top and bottom for the fan shroud. The difference is that the CSF radiator is 2" thick while the OEM one is much thinner. So, I was about to say I am giving up 5/8" of clearance because of the thickness of the core, but since the mount points are exactly the same width for the fan shroud the clearances should be the same for the piping. Think I need to go back and take a second look at that.

Last edited by Jim Stephens; Nov 29, 2020 at 08:39 AM.
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Old Nov 29, 2020 | 07:48 AM
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With shroud.




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Old Nov 29, 2020 | 08:34 AM
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Well heck, this new radiator should work. The distance from the mounting pole on top to the mount point to the shroud is exactly the same. Did I miss something?






Last edited by Jim Stephens; Nov 29, 2020 at 08:35 AM.
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Old Nov 29, 2020 | 08:51 AM
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I'm just about to put my intake piping back together in a few hours.

I'm running the Mishimoto shrouds with 2x Spal fans.

I'll get a picture of clearance when I'm done for you. (I'm using 3" piping)
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Old Nov 29, 2020 | 09:06 AM
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I got some quick pictures for you.

The second picture includes a 3" pipe as reference.




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Old Nov 29, 2020 | 11:50 AM
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Jim, it's a very tight fit.

You need an aftermarket fan shroud 3/4" max & super thin fans with the thicker radiator.

The Vortech setup works just fine with the stock stuff. 45,000 on mine @ 20psi on All Stock Motor, Radiator & shroud. The car Never an hot.

I will add though that my oil cooler was off to the size.

read my sign for details

Last edited by OldManZ350; Nov 29, 2020 at 11:51 AM.
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Old Nov 29, 2020 | 01:31 PM
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Thanks guys. After a second run at the OEM shroud and the pictures Otaku sent I am done with this thing. LOL. I will get a much thinner set up ordered tonight. Otaku thanks for the information on your setup! Old Man, will check out your thread. I decided to beef up the radiator and oil cooler as it gets pretty hot here in Texas and I want it fully set up to track it later down the road. Probably could have waited on those upgrades, but I like to tinker on it anyway.

Otaku, so the fans the Mishimoto come with suck that bad? Can I just drop it in and upgrade to the Spal fans when they fail? Are these spal fans thinner, higher flow rate, longer lasting?? Specifically what Spal fans am I looking for? Looking around as we speak... Thanks.

Last edited by Jim Stephens; Nov 29, 2020 at 02:28 PM.
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Old Nov 29, 2020 | 07:52 PM
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Originally Posted by OldManZ350
Jim, it's a very tight fit.

You need an aftermarket fan shroud 3/4" max & super thin fans with the thicker radiator.

The Vortech setup works just fine with the stock stuff. 45,000 on mine @ 20psi on All Stock Motor, Radiator & shroud. The car Never an hot.

I will add though that my oil cooler was off to the size.

read my sign for details
Texas gets pretty hot.

When I switched from Mishi to Spal fans, I had a drop of ~12'F during the Spring/Fall seasons.

I only had serious overheating issues 230-250'F coolant/ 260'F oil when I had my A/C on in ...uck... Texas summer.

Sadly, I did my Spal fan swap after summer, and now my A/C system is deleted so I can't really give any solid info.

The condenser gets incredibly hot and it would be my only guess to why my car overheated. Wish I knew if the Spal fans actually fixed the problem though. There's actually a lot of threads on this forum about success with Spal fans though.

Here's a good one here:

https://my350z.com/forum/engine-and-...an-shroud.html

Last edited by 0taku; Nov 29, 2020 at 07:55 PM.
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Old Nov 30, 2020 | 02:29 AM
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OK, thanks. I think I will just drop it in as is and go from there. Going to hang on to my OEM fan shroud though to keep my options open down the road. I have not really looked at it closely, but wondering if I might just cut it down a bit and see if I can use it . There was a video made by Donut media where they are running the Mishimoto fans and CSF radiator with a twin turbo motor and it was working well for them. Of course they were running in California, which is NOT Texas, but on the other hand it was a twin turbo.
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Old Nov 30, 2020 | 05:25 AM
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Originally Posted by Jim Stephens
With shroud.



I did not realize that Vortech passes the charge pipe between the fans and the engine. WOW. I disagree with OMT. If you plan to track it, the OEM rad will not cut it. Here is a link to the SPAL site. https://www.spalautomotive.it/axial-fans If you filter by size you can fit diameter wise, and then only look at the part numbers that end in A you should only have ~10 options to narrow it down. They have drawings online of the dimensions.

With large enough fans, you can probably skip the shroud. I am not totally sure on that though.
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Old Nov 30, 2020 | 01:49 PM
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Check out here for Spal part #'s for what you're doing (I did the same): https://my350z.com/forum/forced-indu...l#post10849479

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Old Nov 30, 2020 | 03:11 PM
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Originally Posted by GreyZ
I did not realize that Vortech passes the charge pipe between the fans and the engine. WOW. I disagree with OMT. If you plan to track it, the OEM rad will not cut it. Here is a link to the SPAL site. https://www.spalautomotive.it/axial-fans If you filter by size you can fit diameter wise, and then only look at the part numbers that end in A you should only have ~10 options to narrow it down. They have drawings online of the dimensions.

With large enough fans, you can probably skip the shroud. I am not totally sure on that though.
Only reason the pipes have to go in between is the way the blower is clocked. You can avoid this by clocking straight downwards, but in order to do that you need to delete the A/C compressor lol.
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Old Dec 1, 2020 | 04:38 AM
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Originally Posted by 0taku
Only reason the pipes have to go in between is the way the blower is clocked. You can avoid this by clocking straight downwards, but in order to do that you need to delete the A/C compressor lol.
Yeah, another non- starter. LOL. I actually am test fitting the supercharger and bracket in the next few days depending on time available during the work week. I have figured out a way, I think, to deal with moving the intercooler in front of the oil cooler on the driver side. Once I get the supercharger mounted I can route that pipe and see how it will fit with the intercooler. I found a really great website for piping and flexible piping. All kinds of solutions available from this site. http://www.siliconeintakes.com

Also, decided to upgrade the higher quality clamps all around.
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Old Dec 1, 2020 | 05:27 AM
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Originally Posted by Jim Stephens
Yeah, another non- starter. LOL. I actually am test fitting the supercharger and bracket in the next few days depending on time available during the work week. I have figured out a way, I think, to deal with moving the intercooler in front of the oil cooler on the driver side. Once I get the supercharger mounted I can route that pipe and see how it will fit with the intercooler. I found a really great website for piping and flexible piping. All kinds of solutions available from this site. http://www.siliconeintakes.com

Also, decided to upgrade the higher quality clamps all around.
I’m certain you’ll find a way! Can’t wait to see the results.
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Old Dec 3, 2020 | 04:49 PM
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Ok. This is going to work! Got the Mishimoto fan shroud. After a struggle of how to get the pipe in there. Looks like I can get it to clear everything. I had to hold the pipe kinda parallel to the ground and come in from the bottom. Took a lot of attempts. So, if get some time I will attempt to get the supercharger in there this weekend. Still a lot of little things to get buttoned up.




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Old Dec 3, 2020 | 06:08 PM
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No, My YSi is clocked straight down with 3 inch piping!




Originally Posted by 0taku
Only reason the pipes have to go in between is the way the blower is clocked. You can avoid this by clocking straight downwards, but in order to do that you need to delete the A/C compressor lol.


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