Possible supercharger surging?

[NavyMAC]

After the car is warm it gets the tendency to have a fluctuating idle. Curious if that’s just normal blower surge? Do I need to have the tune looked at and adjusted?
Idle

It’s a whipple setup on 16lbs with E85 if this helps

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[460Fred]

Ya, not normal.
Not many here have boosted GT350‘s. That said, their are a few and I’m sure they’ll chime in here in a bit.
May want to change your title to attract the boosted crowd.

 

[Inthehighdesert]

My whipple setup, stage 2, does not do that. I’m running the whipple tune. I’m assuming your not with the E85. That sounds like a tune issue to me. That should be easily to deal with whoever your tuner is.

 

[NavyMAC]

I’m going to shift back to a 93 tune and see if that changes it. I need to anyway as it takes me a quarter tank of fuel to go fill up with E85 lol

 

[Inthehighdesert]

E85 is available here but not easily for me. That’s one of the main reason I stuck with the stage 2 whipple tune. Just wanted to be able to use super basically any where.

I’m going to shift back to a 93 tune and see if that changes it. I need to anyway as it takes me a quarter tank of fuel to go fill up with E85 lol

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