LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Metal intake elbow?

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Old 01-20-2009, 09:38 AM
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Default Metal intake elbow?

Okay so my 94 has a metal intake elbow, not sure of the brand, it does has the full lenght divider running vertically through the middle of it. The thing gets hot as hell and i have heard that this warms the air going into the intake which can hurt performance and it can throw off the IAT readings. I can see the iat readings thing, but wouldn't the air be moving so fast through the elbow that it wouldn't really have time to get heated up? Im thinking about replacin it one because im thinking of tapping my n2o line into the underside of the elbow as this is the only part of my n2o install that is visable, also some times it doesn't all like to go back together perfectly and i think the flexablity of the rubber elbow would help this out. Anyone have any thoughts on a rubber elbow vs. a metal one?
Old 01-20-2009, 09:42 AM
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I really don't see heat soaking as an issue, considering the entire intake manifold is made of aluminum. The ease of installation and removal would make me stick to a rubber intake elbow though. You can get a 1LE elbow from WS6store (same as stock, without the ugly donkey dick) for something like $65.
Old 01-20-2009, 09:53 AM
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i didnt read this whole thing cuz im at work but i think its about heat and my metal elbow gets hot enough to burn me
Old 01-20-2009, 09:55 AM
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I've got a metal style and it's stays cool all the time
Old 01-20-2009, 10:20 AM
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you should upgrade to Aluminum at least it will not trap any heat.
Old 01-20-2009, 10:26 AM
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i love the metal elbow easy to take on and off and it will never rip
Old 01-20-2009, 11:49 AM
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The rubber 1LE one has worked for me, it is a little hard to get on the intake but I just use a flathead screwdriver to open the rubber. It always stays cool and it is black so that makes it absorb heat instead of steel or aluminum heating up.
Old 01-20-2009, 01:15 PM
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mine is aluminum and it does get damn hot, i just dont know if that actually effects anything, i would think the airis moving to fast to get heated up, although i guess i could see it throwing off the IAT sensor. Is the ruber elbow really a PITA to take on and off, i know my aluminum one can definatly be a PITA with the K&N and itnever seems to really line up nicely
Old 01-20-2009, 01:21 PM
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Sounds like the Vortec elbow and I would keep it on there. Tapping into the underside of the elbow for a nozzle should be easier with the metal and I always found it easier to get on and off and it never rips. The IAT readings will always be warmer than the actual air because of the placement of the sensor not the air. You can just relocate the sensor down just behind the air filter to help with that.
Old 01-20-2009, 01:44 PM
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hes right about mounting a nozzle in it its really easy and i dont think the heat effects the air comin inn much at all
Old 01-20-2009, 02:21 PM
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okay cool thanks i guess i'll just save the $$ for something else, like bills, lol
Old 01-21-2009, 11:23 AM
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Originally Posted by z28rob18
hes right about mounting a nozzle in it its really easy and i dont think the heat effects the air comin inn much at all
I would have to agree with this. I have been running like that for years now. I acutally could never get the nozzle to mount right in the 1LE boot and that is why I switched.

My elbow does get warm, but never enough to ever burn skin.
Old 01-21-2009, 12:00 PM
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The only thing you have to look out for with the metal elbows is that some of them are actually smaller than a 58mm TB opening and can be a restriction...Im told that the Trick Flow one is large enough...I just stick with the 1LE and it works great and looks stock...

--Alan
Old 01-21-2009, 12:04 PM
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you can do a throttle body coolant bypass. that will help some
Old 01-21-2009, 12:18 PM
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The metal elbow will get hot when idling or when the hot motor is turned off. One way or another I think it has little effect on anything.
Old 01-23-2009, 05:33 PM
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It is the trickflow, the outside of these gets good and warm, but the intake air charge is minimally affected. I had my trickflow (matte black finish) tapped when i bought it and it takes 5 minutes with anyone who's relatively knowledgeable with a drill and tap kit.
Oh yea, and the rubber elbows aren't more flexible or easier to get on...have worked with both. If you've having problems, just go to home depot or lowe's and replace the rubber sleeves that go on either side of the elbow.
Old 01-23-2009, 05:52 PM
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Take it for what its worth...

1LE vs trickflow elbow



Old 01-23-2009, 06:14 PM
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^^^ wow, who would have thought. But then if you think about it, it gets clamped to the same dia. TB and MAF, so im sure its more of a "trick of the eye" with the extra thickness of the rubber.
Old 01-23-2009, 06:29 PM
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i have the vortec elbow and moroso CAI i bought off a member here.
he had installed the IAT in the Moroso air intake tube.
moving it from the rubber elbow to the air intake tube, i felt a little bit of difference. so i kept it there when i put the vortec elbow on it.


Aaron
Old 01-23-2009, 06:44 PM
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the main difference other than appearance that i see between the 1LE and the trickflow is the trickflow is smooth on the inside and could not cause as much turbulence... would it make a difference at all... prolly not.. i have the trickflow and i like it.


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