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Unread 05-28-2013, 07:58 AM   #1
Aj86
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Cooling up grade for the XJ?

I have a 2000 xj with the 4.0 and am looking for cooling upgrades to help it cool easier in the summer. I am getting ready to do a radiator flush and change out some hoses and therostate. Is there anything I can do to help it cool easier especially when the AC is running. Would rather not to some expensive upgrade but is it seems mandatory then may have to consider it.

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Unread 05-28-2013, 05:07 PM   #2
dmill89
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define "expansive".

Some common upgrades: (Note: the stock cooling system is sufficient for "normal" use (barely) so if you aren't running hot upgrades may not be unnecessary)

3-row copper radiator ($235)

AUX Transmission Cooler ($40-100, the B&M 70264 at $75 is a popular option for the XJ)

New Water Pump ($30, note: this will only help if your old water pump is worn)

Hood Vents $20-200

New Fan Clutch ($30-40, note: this will only help if your old fan clutch is worn/weak)

Triple Electric fan setup ($260-330, depending on options selected)
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Unread 06-11-2013, 08:20 PM   #3
Aj86
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I'm not opposed to doing hood vents but is there ones you can do that rain won't get in on the engine or am I being too paranoid?
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Unread 06-11-2013, 08:57 PM   #4
dmill89
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Quote:
Originally Posted by Aj86 View Post
I'm not opposed to doing hood vents but is there ones you can do that rain won't get in on the engine or am I being too paranoid?
Don't worry too much about the rain, if you are driving at any speed when it rains a ton blows through the grill anyway
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Unread 06-12-2013, 08:37 AM   #5
Aj86
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What about when it is sitting outside the house or in a parking lot?
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Unread 06-12-2013, 09:14 AM   #6
cheesewhiz98xj
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I was thinking about snagging some hood vents off of a junkyard zj
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Unread 06-12-2013, 09:53 AM   #7
DNFJ
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Quote:
Originally Posted by Aj86 View Post
What about when it is sitting outside the house or in a parking lot?
I've had no issues with the vents in my hood. Even power washing it doesn't do anything, you should be fine.
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Unread 06-12-2013, 11:41 AM   #8
Aj86
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What sort of vent do you have?
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Unread 06-12-2013, 12:10 PM   #9
DNFJ
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grillo sheets
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Unread 06-12-2013, 02:49 PM   #10
BigBadWuf
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Quote:
Originally Posted by cheesewhiz98xj View Post
I was thinking about snagging some hood vents off of a junkyard zj
If you mean niner vents on the fenders, they do nothing, just for looks.
Try looking for an 80s dodge k-car turbo. They have good vents or so ive heard.
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Unread 06-12-2013, 05:01 PM   #11
DNFJ
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Quote:
Originally Posted by BigBadWuf View Post
If you mean niner vents on the fenders, they do nothing, just for looks.
Try looking for an 80s dodge k-car turbo. They have good vents or so ive heard.
Uh what? All niners have vents on the hoods that are functional.
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