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I saw the same Iat's that he's speaking of on the hot summer days with my 2300, usually 145 to 155 at the big end of the track. With the 2650 the highest I saw at the Camaro Fest was about 125 in the traps and that was after setting in a long line starting the motor over and over in the staging lanes. Most of the time 115 to 120 which allowed me to run the same timing without knock or pulling timing down track. On the dyno my the 2650 would barely get to 110 (Iat's) even back to back runs. Plus it made about 85 plus rwhp on about 3 to 4 lbs less boost with an 80mm pulley. I haven't been back on the dyno with the 75mm pulley so I don't know what it was making with that pulley but would guess another 20 to 25 rwhp I was pushing my fuel system with the 75 on the 2650 so haven't had a chance to run the 70mm since my low side was dropping to low 40s. Maybe this year when I get the DSX low side installed. Hope I have all my numbers right as I'm thinking back to last year how it all played out.
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