Quote:
Originally Posted by mlh
The head bolts on the 6s aren’t strong enough either. They will stretch and allow the head to lift just enough to leak. A larger OD set of head bolts will prevent this. Remember these engines were designed for a low power truck application and Ford hopped them, 160 HP to 325 HP and put them in a pickup to compete with the Duramax. Before the 6 L Ford had the 7.3 with 225 or 250 HP.
Lynwood
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Not true unless you've chipped it. Ford didn't make them put out more than they were designed for. It's those that keep wanting to go faster.