Six Easy Steps to Getting 500 lb-ft from a GM 383 Crate Engine
Tuning up a GM HT383 crate engine to big power and torque. Jim Brown – Dec 21, 2020 The HT383 has been available for a number of years now, and it's an excellent repower option for you GM (on non-GM) truck or 4x4 thanks to its rated 325 hp at 4,500 rpm and 415 lb-ft of torque at 3,500. It's true that GM's aluminum-headed Fast Burn 350 makes 385 hp and 385 lb-ft for just an extra $100 over the HT383's typical mail-order price. However, we'll show you that an out-of-the-box HT383 is no slouch, and just a f...
Source: trucktrend.com