Is this normal?

[ThatChevyGuy 5,000+ posts]

I just put a .480 lift cam in a 350 in my malibu, it sounds nice. I just put brakes on it and just now started driving it for the first time. I noticed when i tap or pump my brakes my idle goes up noticeably. Brakes are good so i dont think i need more vaccuum, pedal is firm. Is this normal?

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[ThatChevyGuy 5,000+ posts]

Nevermind, it was just running rich

Thanks for the groan!

 

[Kangaroux 5,000+ posts]

Nevermind, it was just running rich
Thanks for the groan!

No problem

 

[Buck 5,000+ posts]

Why did he get groaned?

 

[ThatChevyGuy 5,000+ posts]

I guess because i dont know everything like the two geniuses who groaned me

 

[got-one-eight 10+ year member]

Wierd.. normally its a vacume leak inside the brake booster that causes an idle change when hitting the brakes.