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free bump! whats the advantage to these vs the fans in the older trucks? Ive got an 06 denali so i know ive got the e-fans. I often see this mod though and was curious about what it does and what not
the old fans had conventional hydraulic clutches which rob the engine of much needed power...it doesn't add hp persay but frees existing used hp up used by the hydraulic clutch which is now non-existent...
plus adds about 2-3" worth of engine space clearance
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