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How to build a 4.0 OHV for power, some limits and tips...
The limits of the OHV are more so caused by the poor flow limits of the stock heads and the camshafts. To give you a bit of perspective I only know of one OHV 4.0 like ours that has made over 300 rwhp and it has a turbo on it. Most with well built engines and ported heads make around 250-275...- Doug904
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- Forum: 4.0 Liter Forum