LNF Valve Cover Breather (HP Tuner question)

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Jul 1, 2021 | 09:16 PM

ChrisR6s

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From: Boise,ID

LNF Valve Cover Breather (HP Tuner question)

Anybody know what i have to change in HP Tuners after i put on the zzp valve cover breather?

Jul 2, 2021 | 10:36 AM

ECaulk

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From: Houston, Texas

Everything.

You need to relocate the maf to the cold side pipe and re-calibrate the maf.If you don't the valve cover breather will let in air post maf.

Why are you running the valve cover breather?

Jul 2, 2021 | 05:59 PM

ChrisR6s

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From: Boise,ID

Quote:

Originally Posted by ECaulk

Everything.

You need to relocate the maf to the cold side pipe and re-calibrate the maf.If you don't the valve cover breather will let in air post maf.

Why are you running the valve cover breather?

Im not gonna run one now lol.

Jul 4, 2021 | 07:54 PM

tomj77

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From: canada

If u wanna run a valve cover breather , get one with a check valve that closes in vac conditions. Then u don't need to tune for it

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