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Old 02-01-2003, 12:47 PM   #9
Dark_5.0
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Originally posted by Mustang92
Yes 65mm is stock on the 96+ cars and anything bigger is simply overkill on NA motors. Stock 5.0's came with 55mm and upgrade to 65mm when going to blowers. I've seen cars actually lose power with 70mm TB.

Bill
86' 5.0 HO-58mm TB
87-95 5.0 HO 60MM TB

Even a stock 5.0 picks up HP with a 65mm TB. Most 5.0's with blowers have 70-80MM TB's
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