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Ls6 intake manifold

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Old Dec 21, 2018 | 06:05 PM
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Default Ls6 intake manifold

I have a 1999 c5 with a ls6 dorman intake manifold. For some reason the MAP sensors keep breaking during tuning and my tuner told me to get rid of the dorman one which came on the car when I bought it and get an OEM LS6 manifold or go back to the ls1 manifold. Any ideas why these sensors keep breaking? is it due to the bad design of the dorman one?
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Old Dec 21, 2018 | 06:22 PM
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China.
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Old Dec 21, 2018 | 06:24 PM
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Ive been doing a lot of research and can't find anyone that's had this problem with the Dorman intake manifold. Im kinda at a loss because idk if its the manifold or something else breaking these MAP sensors
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Old Dec 21, 2018 | 06:34 PM
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Just plug the hole and remote mount the sensor.
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Old Dec 21, 2018 | 06:35 PM
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I sell a metric eff-ton of Dorman all day, every day....their plastic is not the same grade as OEM.
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Old Dec 21, 2018 | 06:36 PM
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I get that but what would that have to do with the sensor
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Old Dec 21, 2018 | 06:49 PM
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Originally Posted by cj28000
I get that but what would that have to do with the sensor
Sorry, I misunderstood your post....I thought you were saying that the manifold came with the sensor.
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Old Dec 21, 2018 | 07:51 PM
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what is actually breaking on the sensor?... that's weird, is the car boosted by chance?
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Old Dec 21, 2018 | 07:55 PM
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Originally Posted by neutron82
what is actually breaking on the sensor?... that's weird, is the car boosted by chance?
Not sure exactly my tuner just said it has snapped multiple MAP sensors, but no its not boosted just a BTR stage 4 cam
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Old Dec 21, 2018 | 08:46 PM
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ok so it only sees vacuum, if I had to guess it's probably snapping off where it plugs into the intake... make sure it isn't contacting the cowl, if it is and the motor moves that would break it like you are describing
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Old Dec 21, 2018 | 09:59 PM
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There is a clearance issue on the rear of the Dorman Manifold where the MAP sensor is mounted .. Not enough room between it and the firewall.
I relocated it to the front of the intake on top- there is a plug that can be removed and used for the MAP. It's on top downstream of the
throttle body.. I found a "kit" by searching LS1.com... I guess alot of camaros do this for some reason.
The company I bought it from If I remember was affiliated with WS6.com... Up in Iowa
Once I got ahold of them, they shipped it out right away.. I think it was about $75 if I remember
Good Luck !!
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Old Dec 21, 2018 | 10:20 PM
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Moved to C5 Tech.
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