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Old 03-22-2007, 07:26 PM   #1
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Fan Deckplate Mod

Hey Guys, name is Ben. Decided to joined yotatech a few days ago after making the decision to start working on my 98' SR5 4runner turning it into a Offroadable rig.

But to the point, today as I was doing the deckplate mod on my rig, i finished cutting the hole and noticed that there was more that could be done. Iunno if this has been suggested or debated (searched some combinations of words didnt come up with anything). But the idea was to add a Fan behind the deck plate thus creating something like a force induction air intake. I dont know if this would work so i am throwing the idea out, but after i do the ISR mod tomorrow, I am thinking about going to a local radio shack or computer parts store and seeing if I can retro fit a fan in addition to the Deck plate. Please give me your thoughts about this idea.
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Old 03-22-2007, 07:30 PM   #2
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Do a little quick math and see how much volume flow the fan would need to create to actually help. You could very easily stick a fan in there and find it to only hamper airflow.
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Old 03-22-2007, 07:38 PM   #3
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Yeup, what RB said... What you're looking at doing is kinda' down the lines of those folks that sell the leaf blower type rigs for your intake on eBay.

You simply won't be able to move enough air that way to make a difference.
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Old 03-24-2007, 06:03 AM   #4
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Waste of time and $$$.
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Old 03-24-2007, 06:25 AM   #5
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Hey I got an idea Why don't you mount one of these to your intake. you coulld control the throtthe with a cable of some sort.
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Old 03-24-2007, 06:27 AM   #6
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there actually is a video online where a 1.6L civic dynoed 15hp more with a leaf blower attatched to the intake, but on our engines that wouldnt work, not enough cfm
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Old 03-24-2007, 07:03 AM   #7
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Hey guys!
Last night I ran a piece of PVC pipe from my intake a "T" in my upper radiator hose. I figure if the coolant will keep my engine cool, it'll keep my intake air cool. I had to add like 12 more quarts of coolant. I figure that's a good thing, too. More coolant = cooler engine, right?
I haven't started it yet, but if it works, I'm going to call it "direct intake-to-water intercooler"
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Old 03-24-2007, 09:20 AM   #8
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How is the mod cooling the intake air? There does need to be something to remove the heat.
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Old 03-24-2007, 09:37 AM   #9
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How is the mod cooling the intake air? There does need to be something to remove the heat.
The coolant itself is going into the intake. I figure this was easier and WAY cheaper than one of those expensive "cold air intake" kits. What a waste of money. All I have to do is have the coolant pour into the intake.

Last edited by HaveBlue; 03-24-2007 at 09:38 AM.
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Old 03-24-2007, 09:43 AM   #10
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Originally Posted by HaveBlue View Post
Hey guys!
Last night I ran a piece of PVC pipe from my intake a "T" in my upper radiator hose. I figure if the coolant will keep my engine cool, it'll keep my intake air cool. I had to add like 12 more quarts of coolant. I figure that's a good thing, too. More coolant = cooler engine, right?
I haven't started it yet, but if it works, I'm going to call it "direct intake-to-water intercooler"

Allright, be nice to the new guy here. There may be a reason he has only posted one time.....

Just remember, some people thought leonardo davinci was a lunatic. But where would we be without him?

ON topic, you have to look at PSI. Think about the size of blower needed just to gain 5-15 psi, then look at that computer fan. It cannot push enough CFM to positively affect an engines performance. In fact, as stated, may only hinder it since the deckplate mod you just performed is being blocked by a slow moving fan.
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Old 03-24-2007, 02:10 PM   #11
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I posted something similar awhile back from a small fan unit I saw on ebay. In theory it's a great idea, but exactly from what the guys above said.
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Old 03-24-2007, 02:28 PM   #12
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Ben, it's a great thought you had, but there have been MANY before you coming up with the same or similar ideas and in fact they make up 99% of the electric supercharger garbage on eBay. I don't want to delve into why it won't work, but it suffices to say that the positive pressure generated by a cheap fan placed in the airbox is nowhere near sufficient to do anything performance-wise let alone even keep up with even basic engine air requirements.

There is only one electric fan setup that actually does anything:
http://www.electricsupercharger.com/index.html

.....and the drawback is you can only use it in short bursts like nitrous.

Last edited by MTL_4runner; 03-24-2007 at 02:30 PM.
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Old 03-24-2007, 02:37 PM   #13
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coolant in the intake

Quote:
Originally Posted by HaveBlue View Post
Hey guys!
Last night I ran a piece of PVC pipe from my intake a "T" in my upper radiator hose. I figure if the coolant will keep my engine cool, it'll keep my intake air cool. I had to add like 12 more quarts of coolant. I figure that's a good thing, too. More coolant = cooler engine, right?
I haven't started it yet, but if it works, I'm going to call it "direct intake-to-water intercooler"
Doesn't that mean that the coolent is in with pistons and valve train? Couldn't it get into the oil? Maybe I don't understand what you said but its seems like a very bad idea if I do. If you haven't started it yet I would get all that out and change and flush your oil.
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Old 03-24-2007, 02:42 PM   #14
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Doesn't that mean that the coolent is in with pistons and valve train? Couldn't it get into the oil? Maybe I don't understand what you said but its seems like a very bad idea if I do. If you haven't started it yet I would get all that out and change and flush your oil.
He was SORTA being a smartass......
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Old 03-24-2007, 02:46 PM   #15
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Yeah...I'm pretty sure HaveBlue was poking fun at some of the...more interesting ideas out there.
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Old 03-24-2007, 02:59 PM   #16
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Yeah...I'm pretty sure HaveBlue was poking fun at some of the...more interesting ideas out there.
You think?!
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