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Old 04-02-2017, 06:29 AM   #121 (permalink)
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For us semi urban guys, is a grill block a viable option?

Moving in traffic can heat up the engine.

But if one really wants the grille block (and doesnt want the fan constantly coming on)

What are the options? Active grille block? Spray water on to the radiator? Is there a more effective place to spray it?


Last edited by teoman; 04-02-2017 at 07:19 AM..
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Old 04-02-2017, 11:22 AM   #122 (permalink)
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This is the summer version, the winter one has no holes at all.


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Old 04-02-2017, 03:59 PM   #123 (permalink)
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So I thought I had already put mine in here but I guess not. Well, here is my counterweighted auto-adjusting grill block.



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Old 04-02-2017, 04:58 PM   #124 (permalink)
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... Well, here is my counterweighted auto-adjusting grill block.
This sounds interesting. Would you mind to share more? Do you rely on wind pressure, or how is it done?
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Old 04-02-2017, 06:06 PM   #125 (permalink)
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This sounds interesting. Would you mind to share more? Do you rely on wind pressure, or how is it done?
It does use wind pressure. It's pretty much just 2 shutter type pieces of coroplast that pivot in the middle and are counter weighted with a metal rod inserted into the coroplast, on the back side. I made a thread on it years ago and it has worked great. I had to remove it due to my car having problems with its cooling system and it got left behind in a move. I will definitely be making another.

Here is the thread, if you're interested. The nearly finished product starts around post #38
http://ecomodder.com/forum/showthrea...ock-25096.html
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Old 04-02-2017, 06:38 PM   #126 (permalink)
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I probably missed it. Thanks for the link.
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Old 04-02-2017, 08:40 PM   #127 (permalink)
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I probably missed it. Thanks for the link.
No problem. It takes a little trial and error to get the counter weight right to close it at the correct speed, but after that it works great. The only issue I found with it is that if there is a strong headwind it could potentially close early. It's not really a big deal if you adjust it for a high enough closing speed though. I tried to get mine to close around 45mph. When I do it again I think I'll shoot for 35mph, so even if there is a 15mph headwind I will still have to go at least 20mph for it to close.
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Old 04-06-2017, 03:38 PM   #128 (permalink)
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Very good. Thanks for sharing! This explains things... :-)

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Old 04-10-2017, 12:12 AM   #129 (permalink)
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Refined the lower grill block to be much easier to remove or apply in less than a minute. The lower grill screen is now ziptied to the OEM air dam upper slat so the screen won't need to be held in place when removing/applying the grill block.

On...


Off...


I'll be building some ducting so the dual transmission coolers git the air directed through them instead of being washed off to the sides.

The main upper grill block is currently at 67% and I can easily change the configuration to 50%, 33%, or 0% just by removing the velcro zipties and the associated PVC pipe.
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Old 04-18-2017, 12:11 PM   #130 (permalink)
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a little late to this post, but I just finished installing it sunday. went from a stock chevy s10/blazer front end to a fully blocked/smoothed gmc front end. going to add a chin spoiler and some stick on foam insulation tape around the headlights and grill to seal up the gaps better. also added a small tailgate spoiler sunday.

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