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Waltherone
Dodge Dakota
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6/25/2002
00:09:29
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 Subject: Older 5.2's
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I was just outside talking to my mom's friend, he has an 86 ram(I guess it's a ram, an 86 truck..) its an 318, carburated(sp?) and we got into a lil debate about air.
He was saying that warm air is better to send into the engine, cuz the warmer the fuel is the cleaner it ignites.
Is that just somethin with carbed engines??
I KNOW on FI engines the iat senses temp and adds fuel accordingly, so is he just WRONG? or is it something with carbed engines (I know nothin bout carbed engines)
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Matt
Dodge Dakota
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6/25/2002
00:43:44
| RE: Older 5.2's
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I think he is mistaken. But then again I could be mistaken. I know that the colder the air is the densor it is therefore more power. But knowing my dumb a$$ I'm probably wrong.
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Todd W
GenIII
6/25/2002
08:44:56
|  RE: Older 5.2's
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I don't think thats right. Most older carbed vehicles I've seen have had 'snorkles' that run from the air cleaner to just above the radiator to bring in cool air. I know that if the air/fuel mixture is to hot coming in, it can cause 'vapor lock', shutting the engine down. Heck, my dad's GTO has a ice-cooler that the fuel line circulates through before going to the carb, to get the temperature down.
The way I see it, if warm air/fuel was good, why does my dad's GTO have a fuel cooling system?
'00 RC Sport Forest Green, 3.9L, 5-speed 3.55, Hurst Comp-Plus Shifter, Clear-Corners, Speed-Glo gauges, Airaid Intake with relocated IAT, Autolite 3923s, Ported Throttle Body, Borg & Warner Cap/Rotor, Accel Coil, JBA 9mm Wires, JET Stage II
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BMAC
Dodge Dakota
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6/25/2002
08:55:38
| RE: Older 5.2's
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Warm air is better for mileage and it does run cleaner. COLD air is better for power and same with fuel. Liquid gasoline does not burn, it has to vaporize. When it's cold, a very small percentage vaporizes. That's why we use a choke on carbureted engines and an enrichment circuit on FI engines.
There has been people experimenting with HOT air carbs and HOT fuel and getting triple the mileage and cleaner emissions but I wonder about the power. Ping and detonation may also be a problem.
http://www.better-mileage.com/
http://eagle-research.com/
Here's a couple of sites to investigate.
Fill yer boots!
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handi2
GenIII
6/25/2002
10:45:20
| RE: Older 5.2's
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Ram air hoods, Induction hoods and the like all originated with carburated engines.
http://photos.yahoo.com/handi254310
2002 Quad Cab SLT Plus 4.7 Every Available Option
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Waltherone
Dodge Dakota
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6/26/2002
00:50:24
| RE: Older 5.2's
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Alrighty
So what youre sayin is all us guys who like power are polluting more than we should :)
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IntenseDak39
*GenIII*
6/26/2002
10:25:08
| RE: Older 5.2's
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i dont know if anyone has said this yet because i am too lazy to read all the posts but the colder air is better because cold air molecules are more dense.... they clinge tighter together and you get more of the good stuff in your engine. Now hot air molecules run wild and scatter and you get less. Just think about that.
if you have any questions about that engine i have have a 85 dodge van with the same engine.
intensedak39
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