Is the 5.4 the same?

[jonnyk]

It should have the same heads as the Lightnings. They have different pistons and rods I believe though (Lightnings got beefier ones). Holley has a kit for the 5.4L 2V you can supercharge with; wouldn't think the power would be that much lower than a Lightning in the end.

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'91 LX Hatch, 17 ROH ZR6's, lowered, 3.73's, offroad H pipe, SN Cobra cat-back, ASP pullies, 14° timing, C&L 76mm MAF, 170A 3G, B&M Ripper on a T5
Best ET: 14.593 @ 94.62 2.292 60'
1991 LX Hatch 5.0L