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Going From 3" To 4" Comp Cover Intlet

vaccine

By vaccine,
in Engines & Forced Induction

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vaccine Apprentice

vaccine

Posted
Posted (edited)

I have a gt3040 that i am going to be using on my 3ltr.

Now it currently has a 0.7AR 3" front cover, and a 4" 0.7AR cover to possibly replace it.

is there a noticable difference in spool and power from going to bigger inlet front cover??

Edited by vaccine
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skylinecouple Experienced

skylinecouple

Posted
Posted

I have 4" inlet from AFM and only noticed you can't just take your foot off the pedal and slip it into neutral without it wanting to stall. It doesn't of course because it has anti stall built into the PFC. So I take my foot off the accelerator in gear then slip it into neutral and is fine. This could be normal for bigger turbos I've often heard of it happening.

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