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3406B Advice | TruckersReport.com Trucking Forum
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3406B Advice | TruckersReport.com Trucking Forum

Hi all, Looking for some advice on an 7FB inframe. Goal is 500-550 reliable hp. Truck will be grossing 100+k lbs, 18spd 3.91 gears. Was thinking the ipd durability kit, but have read mixed reviews on it. As it sits was leaking coolant into the sump so suspecting leaking liners but will know shortly. Pump...