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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Nov 2021 Posts: 1,258 'Bolter | | 'Bolter Joined: Nov 2021 Posts: 1,258 | What should AF ratios be on a traditional SB? The presets on my sniper seem very rich. Rich like Bill Gates before his divorce. It's target while warm up is 12.5 and once it hits 160 degrees it is up to 13.5.
The smell is overpowering in my garage with doors open on both ends and the lbs per hour fuel use is 6.8.
I have played around with the AF ratio and pushed it up to 13 for warm up and 14.3 once it hits 160 and my smell-o-meter says it is much better. I have left the WOT at 12.5 and cruise at 14.5.
Just curious if anyone has played around with AF ratios on a dyno that simulates driving? | | |
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