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

Granatelli MAF

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Old Jan 14, 2019 | 09:48 AM
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Default Granatelli MAF

When I bought my CE LT4, it had a procharger on it and came with some extra parts. One of them is a Granatelli MAF, anyone using one of these? It's free, just requires my time to install. My question is why? They claim a HP increase and performance improvements over 2000RPMs. My Prochrager is a pull thru MAF system and the car is running a custom tune.

Is it worth installing? Will it screw anything up? Will it actually help?
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Old Jan 14, 2019 | 09:52 AM
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The Granatelli MAF is a bigger housing to hold the stock MAF parts. They also usually remove the air straightening screen. You'd need to retune your car to use it.
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Old Jan 16, 2019 | 10:42 PM
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Originally Posted by KyleF
When I bought my CE LT4, it had a procharger on it and came with some extra parts. One of them is a Granatelli MAF, anyone using one of these? It's free, just requires my time to install. My question is why? They claim a HP increase and performance improvements over 2000RPMs. My Prochrager is a pull thru MAF system and the car is running a custom tune.

Is it worth installing? Will it screw anything up? Will it actually help?
I wouldn't. Your stock MAF will probably flow more air than you could use so I'm not sure what the gain is. Maybe with tuning you can see something as the program will be optimized for the new MAF.
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Old Jan 17, 2019 | 09:27 AM
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If the one on the car now is working correctly, just leave it alone...WW
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