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Seems to me personally that Dinan inflates the numbers or perhaps thats the max in 1st or 2nd gear. I would have expected to see the mph higher of in fact the 50i had just 40hp less but 80lb ft tq more than stock x5m. After all the truck is 5700 +\- with me in it.
I've written to Dinan asking for a boost chart by rpm as well as i have heard that the flash pulls boost substantially at higher rpms especially near shift points. Nothing yet.
I may dyno the truck in the coming weeks if the local shop can get it on.
Anyone try the Cobb tune?
Happy 1/4's to all.
Dave
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