C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Little things inside the MAF

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Old Apr 21, 2002 | 09:46 PM
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FlyboyZR1's Avatar
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Default Little things inside the MAF

Those things sticking up in the MAF on the right, what is their purpose and are they needed?

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Old Apr 21, 2002 | 09:57 PM
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Default Re: Little things inside the MAF (FlyboyZR1)

They are a type of heat sink. But they are also a great obstruction in air flow and are not needed. Be careful when trying to remove them on your own, you can damage the little wire in the MAF and then it's ruined.
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Old Apr 21, 2002 | 10:49 PM
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Default Re: Little things inside the MAF (FlyboyZR1)

heat sinks, dont mess with them unless you have an extra $200 for a new MAF when you screw up
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Old Apr 22, 2002 | 12:34 AM
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Default Re: Little things inside the MAF (FlyboyZR1)

i got them out safely...... on my second maf. $125 later i put duct tape over the openings until i was finshed cutting them out

good luck
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Old Apr 22, 2002 | 03:44 AM
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Default Re: Little things inside the MAF (hotwilzz)

That's the trick; duct tape across the inner tube ends. Then carefully clean out the dust and debris before removing the duct tape.

I used a round carbide hacksaw blade to remove the heat sink fins and a Dremel to dress the remnents.

The story goes that during initial testing one MAF failed in extreme temps in Death Valley so the General added the heat sink fins.

Though the MAF in the Vette just failed I don't blame removal of these fins. They've been out of the '86 IROC's MAF for over 4yrs with no problem. Furthermore the replacement MAF has no heat sink and a screen on only one end.
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Old Apr 22, 2002 | 09:06 AM
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Default Re: Little things inside the MAF (65Z01)

Getting rid of the heat sinks is only good for around 50 cfm, and with them in place, the MAF is capable of 700 cfm, which is far, far, far more than the computer is capable of recognizing anyway.
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