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8L90 4-5 flare

 

Circle D Level 2 and 3 Install kits available!!!!!!!!!! Message me through the Questions tab for info... Additional $100 off tuning during COVID. 

 

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DrSalt
8L90 4-5 flare

Looking for advice on tuning a 2017 CTS-V trans. Running pump 93 all the shifts are crispy, but on full e85 the 4-5 shift is flaring like crazy. Any pointers where to start looking? 
 

740whp/805wtq, stock convertor and stock trans. 

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