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motordyne intake spacer switch?

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Old 02-17-2010, 05:22 PM
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Zing!
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Default motordyne intake spacer switch?

when i bought my z the previous owner put a motordyne spacer on along with aem cai. there is a switch that the owner told me if its under 55 degrees outside flip it this way and vice versa...i will include a picture of the switch tomorrow in the day light...i'm just not sure if its a bypass valve or what? i tried to call him and email him but he joined the army so kind of a dead end...any ideas until i can get pictures up?
Old 02-17-2010, 07:40 PM
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INTIMAZY
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Throttlebody coolant.
Close it and throttlebody gets no coolant (or extra heat).
Open it and throttlebody gets warmed up.
If you can drive the car and notice a difference back to back I congratulate you.
Old 02-17-2010, 07:43 PM
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CORNELL
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its a bypass for the coolant line running through the trottle body. off coolant doesnt flow trough the TB, on it does
Old 02-17-2010, 07:46 PM
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CSF
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Description from website (http://www.motordyneengineering.com/...roducts_id=8):
Iso Thermal upgrade with Aramid gasket and Coolant Control Valve Motordyne Iso Thermal is the most comprehensive plenum thermal management system available. The upgrade will reduce heat transfer into the upper and lower plenum assembly. This helps to reduce power loss as the engine becomes heat soaked. Compatible with any type of plenum stock or modified. Recommended for warm climates generally above 45 ° F. When ordering Iso Thermal for an existing Motordyne spacer, please specify your spacer size in the comment window of the check out page. Note: You do not need this upgrade if you are also purchasing a Iso Thermal or Copper Iso Thermal plenum spacer
(http://www.motordyneengineering.com/...&products_id=2)
All Motordyne Iso Thermal systems keep your upper and lower plenum cooler without the risk of throttle body freezing when driving in cold weather.

Last edited by CSF; 02-17-2010 at 07:49 PM.
Old 02-18-2010, 03:15 AM
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Zing!
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my switch is inbetween the valve cover and intake tube....how do i know its on or off?
Old 02-18-2010, 03:26 AM
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DavesZ#3
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Originally Posted by Zing!
my switch is inbetween the valve cover and intake tube....how do i know its on or off?
IIRC, the slot in the screw shows the direction of the opening in the ball valve. If you align the slot with the unit, it's open, if you align it across the unit, it's closed.


Double check me with the instructions from th eMotordyne website.
BTW - I leave mine closed all the time.
Old 02-18-2010, 02:50 PM
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Escobar
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I installed it with my plenum spacer, it does make a difference heat wise on the plenum, I could not tell a difference in power though.
Old 02-18-2010, 03:21 PM
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Zing!
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does it come with all the motordyne spacers?
Old 02-19-2010, 04:38 PM
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CSF
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Originally Posted by Zing!
does it come with all the motordyne spacers?
No, it's an option.
Old 02-19-2010, 05:13 PM
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if the switch runs parallel to the valve, it's open. Perpendicular, it's closed. Mine has stayed closed since I put it in, 2 years ago.
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