Need for tune or just bolt on? - C5 throttle body 78mm to a newer (01-) 85mm.
03-31-2017, 02:06 PM
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Need for tune or just bolt on? - C5 throttle body 78mm to a newer (01-) 85mm. Need for tune or just bolt on? - C5 Maf 78mm to a newer (01-) 85mm.
Last edited by c5go; 03-31-2017 at 04:41 PM.
03-31-2017, 03:23 PM
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just my one cent opinion. if your on a factory tune & add the 85 it will lean out your A/F alittle so after a few day your car will re-learn & adjust a bit but i'd recommend a tune. IF you've already had a tune the tiny amount of lean condition is not worth a retune. just my one cent. when i added my SLP 85mm at first the computer threw an ses light but i let it run for 20 min or so then the next couple days drove it easy and it was fine however i had already had a tune. cheers!