LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

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Old Jan 2, 2010 | 11:13 PM
  #16  
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if you want a colder intake just directly inject co2 into the intake air flo (can use a nitrous nozzle) that way you don't have to worry about cooling the metal and the air u just get cool air
Old Jan 2, 2010 | 11:57 PM
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Originally Posted by camaroz28383
if you want a colder intake just directly inject co2 into the intake air flo (can use a nitrous nozzle) that way you don't have to worry about cooling the metal and the air u just get cool air
Um, is'nt that what the EGR does to keep combustion temps down? Too cold cracks stock pistons! I'm thinking of splicing the line after the condenser and running through the TB. The moisture will drip down onto the Opti, no big deal?

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Old Jan 3, 2010 | 12:04 AM
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Originally Posted by Bowtie4life
but then the intake is gonna get cold and condensation will form in it and then you'll have water in the intake, duh.
Same thing happens when you compress air like in boosted situations w/charge coolers, but I think the charge coolers have drains.
I don't think it will get super cold, just cool, and it probably will not condense on the inside of the TB too much because the air is not pressurized?
Old Jan 3, 2010 | 12:05 AM
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but the egr is exhaust going back into the intake which is hot and co2 is very cold when it comes out of a bottle. what temp do you think nitrous is after it gets let through the little valve on the bottle (it get very cold) and pistons don't crack from that do they? just use co2 in moderation and it will work perfect probably better then the equal amount of nitrous
Old Jan 3, 2010 | 12:07 AM
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by the way air gets hotter when it get presurized why do you think bosted apps use intercoolers?
Old Jan 3, 2010 | 12:15 AM
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Originally Posted by camaroz28383
by the way air gets hotter when it get presurized why do you think bosted apps use intercoolers?
I think the boost generators get hot. I know when you pressurize air it creates moisture=cooler air, the charge cooler/piping contains it.
Old Jan 3, 2010 | 12:20 AM
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Originally Posted by camaroz28383
but the egr is exhaust going back into the intake which is hot and co2 is very cold when it comes out of a bottle. what temp do you think nitrous is after it gets let through the little valve on the bottle (it get very cold) and pistons don't crack from that do they? just use co2 in moderation and it will work perfect probably better then the equal amount of nitrous
Yes you would think the air/CO2 being cycled by the EGR is hot and it is but cold compared to combustion temps.

I think thats why they always say to use forged piston for boosted/nitrous. I'm sure not going to spray freezing or cold pressurized air onto a baking piston!
Old Jan 3, 2010 | 12:26 AM
  #23  
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lets try it this way since your a "carpenter" have you ever accidentally touched one of the copper tubes on a gas powered compressor or that short rubber line on a little pancake compressor there hot that means if you put 2 and 2 together air gets hot when compressed. when a gas gets let through a tiny hole at a great speed it gets very cold (the way an ac system works) well I just realized I could have saved all this typing ... how does a diesel engine work? compress the air so much it get so hot that when the fuel is injected it explodes without any spark. when you pressurized air it does not create moisture the moisture is already in the air when it get compressed there simply is not enough room for the water to be mixed into the air anymore so it forms as condensation and collects
Old Jan 3, 2010 | 12:27 AM
  #24  
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Originally Posted by 1 CraZ28
Yes you would think the air/CO2 being cycled by the EGR is hot and it is but cold compared to combustion temps.

I think thats why they always say to use forged piston for boosted/nitrous. I'm sure not going to spray freezing or cold pressurized air onto a baking piston!
nitrous (its safe right) and its cold and gets put in the hot combustion chamber
Old Jan 3, 2010 | 12:44 AM
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Yes, that's why you always drain the air out of an air compressor because it will fill with water and when you drain it ice builds up on the release valve just like the exit/drain holes on a charge cooler or the TB butterflies/IAC. I don't use a gas compressor I use electric with a diaphram pump so it doesn't get as hot but the "pump friction" gets hot.

A diesel has "glow plugs" man, please!

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Old Jan 3, 2010 | 01:02 AM
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this is so entertaining, I'm just not sure if I have enough popcorn to last while I wait for yall to post
Old Jan 3, 2010 | 01:02 AM
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Originally Posted by 1 CraZ28
Yes, that's why you always drain the air out of an air compressor because it will fill with water and when you drain it ice builds up on the release valve just like the exit/drain holes on a charge cooler or the TB butterflies/IAC. I don't use a gas compressor I use electric with a diaphram pump so it doesn't get as hot but the "pump friction" gets hot.

A diesel has "glow plugs" man, please!
:face palm: glow plugs are used to get the cylinder warm for inital start up more then anything

http://en.wikipedia.org/wiki/Glowplug read last paragraph of method of operation

Large engines
Large diesel engines, such as those used in heavy construction equipment and locomotives, do not need glow plugs. Their cylinders are large enough that the air in the middle of the cylinder is not in contact with the cold walls of the cylinder, and thus retains enough heat to allow ignition.

Last edited by camaroz28383; Jan 3, 2010 at 01:12 AM.
Old Jan 3, 2010 | 01:05 AM
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Originally Posted by Bowtie4life
this is so entertaining, I'm just not sure if I have enough popcorn to last while I wait for yall to post
if you dont know you got plenty of time go buy some more if you have to! this will go on for days if not weeks
Old Jan 3, 2010 | 01:07 AM
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I just checked on some A/C lines. What are the odds of 91 camaro hoses threading correctly, reversly on the exit of the evap. canister?
Old Jan 3, 2010 | 01:11 AM
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umm like any other gm thing probably aint gona work



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