Still new to tuning, reading all I can but my cam / heads C7 A8 has a 3-5 second hang on throttle revs that makes coming to a stop a bit annoying sometimes or revving at a car meet impossible. Any ideas? I've looked at external load, VT and others and cant find a smoking gun. Also, what spark advance timing is common on the gen v cammed cars? Texas Speed VVT-2 cam with 0 degrees overlap (116 LSA) if that matters.
you try futzing with throttle cracker?
Is throttle cracker even there on gen v? I haven't seen the table
Tq model is off
Email Tunes, [email protected]
96 TA Blown/Stroked, 4L80E/Fab 9
15 C7 A8 H/C 2.3 Blower/PI
14 Gen 5 Viper
Custom Mid Engine chassis, AKA GalBen C
Thanks Ben. I have read many of you and Higgs posts in the past, would torque model being too low or high most likely be the issue? I'm also wondering how much spark advance swing is normal on a cammed car. Mine swings from 9-16 degrees at idle and in drive I'd flat usually, but I also get some bucking at low speeds on 93, but on e85 it's pretty smooth. My tuner who did my real "base" tune that got me learning / working has my e85 / 93 air mass and map tables identical
E85 and 93 can not be the same... they can, but it’s not accurate..
With slow throttle returns the model is usually too low
Email Tunes, [email protected]
96 TA Blown/Stroked, 4L80E/Fab 9
15 C7 A8 H/C 2.3 Blower/PI
14 Gen 5 Viper
Custom Mid Engine chassis, AKA GalBen C
I will try and post my most current revision later Ben. My phone is not letting me post it right now, but I will try and post it also with my most current dyno runs. Can you tell me if it is totally whacked out in your opinion please? Drivability is moderately good.
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