These 2 cars have the same mods with 100% stock engines on pump. RED is GTX2860R Blue is GT28RS HP and TQ 3 cars in this one on Q-16 Red is stock Engine GT28RS Blue is stock engine GTX2860R Green engine has 500 cams and port work GT28RS (No cam adjustments) Notice the boost response and mid range power increase from the cams and port work.
Also notice how the GTX carry the boost. The GTX also could have made more power and smoother, but was out of pump. Cams and head work with the GTX turbos should shine! Just HP to make it easier to look at.
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