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I switched tuners and gave Don @ Slowhawk a try for tuning my truck (Vera) He said numbers on his Mustang dyno were 445 rwhp and 490 ft lbs. I'll post a graph and drive review when I get the truck. The kit came with the 3.5" pulley and I gave him a 3.25" to put on, but he advised against it. He said with the stock pulley IAT's were above 160 and I was already at 8psi. I was surprised at both the high boost and IATs with the stock pulley. Something doesn't sound right and I want to still drop down to the 3.25" pulley, but it seams counterproductive to argue with Don since he is a well respected tuner.
Truck is a 2015 Silverado 4x4 6.2/8L90 NHT with an Eforce and Borla cat back.
Guess who's home all tucked away in her own garage...
All I can say is holy **** what a difference, this truck pulls hard! It doesn't seam to hit as hard down around 3k as my old truck but it just keeps pulling and does not fall on its face even up past triple digits. I only saw 6psi and 130 iats with 76 ambient on a blast to 90+ so I'm not sure why Don @ slowhawk didn't want to put the smaller pulley on. I'm also not sure why on the dyno the truck falls on its face above 5k, but on the street it's great!
08-24-2016, 06:36 PM
Prelim dyno numbers for boosted Vera
