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Re: 5.3 FI swap... acting carbish?
Every stock DBC TB i've seen has a hole drilled in it. You need to have SOME base airflow other than the IAC. The IAC is more for adding air for cold start, and to stabilize idle with changing engine loads such as the transition into gear from P/N, AC kicking on and off, electric fan kicking on and off.
Sounds like maybe the TB porter swapped the DBC blade for a DBW blade?
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1972 2wd K/5 Blazer Turbocharged 370 LSx - 941 rwhp / 1093 rwtq
1969 Chevy K-10 L33 5.3 / 4L80E / NP241 / 4" lift
1964 Buick Skylark Twin TURBO 383 LS pro-touring project
2014 VW Passat TDI - Daily Driver
Turbo diesel
2015 Sierra Denali HD Duramax Turbo diesel
2023 Ford Explorer ST - Twin Turbskis
2023 Ford F150 RCSB - Whipple Supercharged
2017 Polaris RZR Turbo
2014 Nor-Tech Center Console - Twin Supercharged Outboards
TURBO ALL THE THINGS!!
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