I don't know if it's a big enough difference, but the TFS website does recommend 6.750" pushrods with twisted wedge heads. Unless you milled the block or the heads down some, those pushrods may be a bit too short. Call TFS and ask them about the pushrod length. I'm about to get some twisted wedge heads and am curious what they say about it.
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-1991 LX 5.0 Sedan, 5 spd (new 'Z' tranny), 3.73, aluminum DS, Hedman headers, 190 LPH, MAC CAI, Flowmaster catback. (170K miles on motor)
Best ET: 14.434 @ 96.04 MPH - 2.205 60' (Radials)
My Notch
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