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Power Strokes
6.7 Aftermarket
4-5 Upshift Squal
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[QUOTE="Swaan, post: 1521879, member: 5517"] I bumped my truck up to the performance tune from tyrant. Ever since I did that my trans will squeal a little or chirp on certain shifts also. Only if I'm over 3/4 or wide open. Never did that on tow or street tune. Not real happy about it and I'm in no mood to replace a trans that has 14,000 miles on it either. I'm just going to bump it back down to the street tune and just be happy with that. Kinda ridiculous if you ask me. I beat my 5r110 in my old 6.0 way harder then I have this new truck and never had a issue. Just dont seem to shift as fast or as positive as the 5r110 either. I've been contemplating putting that line pressure seliniod BD sells in it just see if that helps. [/QUOTE]
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