Stock Hood "Heat Extractors"
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Stock Hood "Heat Extractors"
Don't know if this should be in one of the performance sections, but its for the hood...
Anyway I was reading somewhere about the grills in the stock 93-97 hoods and I read that some people have taken the whole thing out, cut away the junk behind the grill, then bought some MBA polished alumninum grills (which have holes in em) and made these grills functional. Is there any benefit at all? Such as under-hood heat reduction?
Anyway I was reading somewhere about the grills in the stock 93-97 hoods and I read that some people have taken the whole thing out, cut away the junk behind the grill, then bought some MBA polished alumninum grills (which have holes in em) and made these grills functional. Is there any benefit at all? Such as under-hood heat reduction?
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this is what i read:
of course i wouldnt buy these, i would drill out every individual hole on the stock grills and do it that way. 
The factory service manuals refer to these as "heat extractors". Give them the functionality they deserve. If you wish to "cut away" the plastic on your stock hood, place these grill inserts on and give the engine bay "room to breathe".
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I made this thread a while back. IMO it is not worth it, I don't see the engine running that much cooler and when you go to sell the hood people might not like the fact that you messed with the hood.
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Originally Posted by Rockford Fosgate Fan
when you go to sell the hood people might not like the fact that you messed with the hood.
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I can't imagine those two little ports making that big of a difference, especially when they're so stream lined with the car. I bet if the car with a stock hood was put in the wind tunnel and the heat extractors opened, I can imagine the wind would go right over the hood and not even into the open ports...
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So your real benifit is at extended periods of at speed driving. I was going to do that with my stock hood years back but decided to just get a different style of hood. I still have the stock on just in case I get antsy one day though.
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Originally Posted by meissenation
I can't imagine those two little ports making that big of a difference, especially when they're so stream lined with the car. I bet if the car with a stock hood was put in the wind tunnel and the heat extractors opened, I can imagine the wind would go right over the hood and not even into the open ports...
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Originally Posted by archemedes
watch a wind tunnel, the base of the windshield is where the air goes towards, that's why the only hood scoop that works on the street is cowl induction (the ones like on the ss, and firehawk are actually located in the worst possible spot since the air actually starts lifting up there)
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Originally Posted by archemedes
no it goes down and circulates at teh base of the windshield (unless you have a bug deflector on a pickup then it's a vaccuum making the wipers useless)
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