LS6 Intake VS. Weiand Lingenfelter
08-07-2007, 06:11 PM
#21
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i opened mine up port matched and the bored to fit my 85mm tb and now will spray the **** out of it since it has burst panels!!!!. **** a nitrous backfire on that composite manis.....btw i traded an ls6 mani straight up. with 100dollars port work i would never think about trading back. now the gaskets suck and i have even had leaking issues but i found out why
08-07-2007, 07:17 PM
#23
not necessarily splashing.. because the LT1 doesnt have the cam "windows" like our blocks have... however you are right about the LS1 having a valley cover, and an air gap..
there was a post a LOOONG time ago on LS1.com or some other board that some one linked, it was an article with an interview of the GM design team on why they switched to a composite manifold instead of the alumium intake.. because the composite was actually slightly more money to produce then a cast manifold.. but the general answer was, " to keep intake air temps down on a high compression engine".. thats also the reason for the valley cover and air gap...
back to the original poster.. i would say unless you are pushing a large amount of boost 14psi+ or spraying a large shot of NO2.. keep the LS6 intake.. unless you just "want to cause it looks cool".. then go ahead.
there was a post a LOOONG time ago on LS1.com or some other board that some one linked, it was an article with an interview of the GM design team on why they switched to a composite manifold instead of the alumium intake.. because the composite was actually slightly more money to produce then a cast manifold.. but the general answer was, " to keep intake air temps down on a high compression engine".. thats also the reason for the valley cover and air gap...
back to the original poster.. i would say unless you are pushing a large amount of boost 14psi+ or spraying a large shot of NO2.. keep the LS6 intake.. unless you just "want to cause it looks cool".. then go ahead.
08-07-2007, 09:20 PM
#24
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Originally Posted by GR33N GoblinM6
you honestly think a metal intake is the same temperature as a composite intake? Ever take a lazer temp gun and record the temps? I have seen in person a comparison.. an LT1 intake vs LS1 intake.. try 117* for LS1 vs. 163* LT1 while sitting idle at the same RPM 950-850, both at 195* water temps.. both stock.. myth.. i think not..
back to topic before we get this guys thread locked..
back to topic before we get this guys thread locked..
08-07-2007, 10:24 PM
#25
Originally Posted by chae
Once the car starts moving the air is moving so fast that heat soak isn't an issue. Sure it will be hotter when the car is sitting at a stop light idling. Why don't you get back to us when you use that temperature gun when you're actually driving the car
08-09-2007, 11:39 PM
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Originally Posted by GR33N GoblinM6
why dont you just put another intake air temp sensor inside your manifold.. measure the air instead of the metal.. that would be easier and less of a stupid suggestion as yours.
08-28-2007, 09:24 AM
#31
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Originally Posted by bowe1632
according to that above research, the weiand outperformed the ls6 manifold at every lift on the graph...
From .300 valve lift and up the difference is < 2cfm. It's actually 0.5 cfm from .350 to .500 valve lift.
Not worth spending any effort in swapping the intakes
