Grill Blocking/Air Intake...Work in Progress - Fuelly Forums

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Old 12-10-2007, 01:36 PM   #1
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Grill Blocking/Air Intake...Work in Progress

Hard to see that the two slots on the passenger side are really a duct (grey for now) to get more air into the CRD. The three grill blocks on the drivers side is made out of some material I found behind my business. I might go ahead and block off the next two over to test..I should still get plenty from under the bumper. I am sure they would be better aero wise if they were on the outside of the grill but they look better like this...
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2006 Jeep Liberty CRD...Founder of L.O.S.T.
OME 2.25" Lift w/ Toyo Open Country HTs 235/75/16s
ASFIR Alum Eng/Tranny/Transfercase/Fuel Skids
2002 Air Box Mod...Air Tabs (5) on Roof...(3)each behind rear windows
Partial Grill Block with Custom Air Scoop and 3" Open Catback Exhaust
Lambretta UNO150cc 4 Stroke Scooter



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Old 12-10-2007, 02:28 PM   #2
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Where does the duct go? I see that CRD is the model.

Anyway, it looks pretty good. Should help reduce heat loss to air blowing through the engine bay. Also should reduce warmup time.
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Currently getting +/- 50 mpg in fall weather. EPA is 31/39 so not too shabby. WAI, fuel cutoff switch, full belly pan, smooth wheel covers.

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Old 12-10-2007, 03:21 PM   #3
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The "duct" catches clean air and directs it up to the top of the hood...near the air inlet...I put a 2002 Air Box because it has a top load snorkel for cleaner air. The original duct took dirtier wet (if raining) air and the filters got wet and clogged very quickly.
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2006 Jeep Liberty CRD...Founder of L.O.S.T.
OME 2.25" Lift w/ Toyo Open Country HTs 235/75/16s
ASFIR Alum Eng/Tranny/Transfercase/Fuel Skids
2002 Air Box Mod...Air Tabs (5) on Roof...(3)each behind rear windows
Partial Grill Block with Custom Air Scoop and 3" Open Catback Exhaust
Lambretta UNO150cc 4 Stroke Scooter



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Old 12-11-2007, 06:36 PM   #4
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Went ahead and finished it off...going to replace two of the ones that are a bit off in the morning. I tell you, the engine comes up to temp quickly and holds the temps much longer when the engine has been shut off...should help mph a bit more.
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2006 Jeep Liberty CRD...Founder of L.O.S.T.
OME 2.25" Lift w/ Toyo Open Country HTs 235/75/16s
ASFIR Alum Eng/Tranny/Transfercase/Fuel Skids
2002 Air Box Mod...Air Tabs (5) on Roof...(3)each behind rear windows
Partial Grill Block with Custom Air Scoop and 3" Open Catback Exhaust
Lambretta UNO150cc 4 Stroke Scooter



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Old 12-15-2007, 09:28 AM   #5
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Well with "Full Grill Block", MPG dropped significantly. Was getting better with 4 of 7 blocked. I think because I am in San Antonio, Tx...some grill block is OK but it is not cold enuff for a full grill block. The intercooler still needs a cool supply of air. Also the CRD runs cool...168 degrees...and if the ECM detects higher temps it makes changes that cut back on power. For a smaller car this might work but for a 4300# SUV is actually hurts. I am back to just three slots open and testing.
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2006 Jeep Liberty CRD...Founder of L.O.S.T.
OME 2.25" Lift w/ Toyo Open Country HTs 235/75/16s
ASFIR Alum Eng/Tranny/Transfercase/Fuel Skids
2002 Air Box Mod...Air Tabs (5) on Roof...(3)each behind rear windows
Partial Grill Block with Custom Air Scoop and 3" Open Catback Exhaust
Lambretta UNO150cc 4 Stroke Scooter



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Old 12-15-2007, 08:53 PM   #6
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The Three (3) middle slots are now open...the second on the passenger side leads to the air box...
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2006 Jeep Liberty CRD...Founder of L.O.S.T.
OME 2.25" Lift w/ Toyo Open Country HTs 235/75/16s
ASFIR Alum Eng/Tranny/Transfercase/Fuel Skids
2002 Air Box Mod...Air Tabs (5) on Roof...(3)each behind rear windows
Partial Grill Block with Custom Air Scoop and 3" Open Catback Exhaust
Lambretta UNO150cc 4 Stroke Scooter



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