The Pontiac 389 engine typically weighs around 600 pounds (272 kg). This weight can vary slightly depending on specific configurations and components, such as the addition of accessories or modifications. Overall, the 389 is known for its robust design and performance capabilities, which contributed to its popularity in the 1960s.
1964 Standard 389 4bbl had 325 horsepower. Optional 389 Tri-power had 348 Horsepower
Weight on my Pontiac LeMans Sport registration is 3800
1000
1964 pontiac 389
6
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A direct bolt in, 1961 to 1965 389 ci, Pontiac including the Pontiac Tempest.
Around 3000 lbs
Around 4000 lbs
Absolutely not!! The cylinder walls won't take that much over bore before you're in to the water jackets.
Around 3200-3300 lbs
A 1993 Pontiac Grand Am weighs approximately 2,828 lbs. The Pontiac Grand Am stopped production in the year 2005. The car was replaced with the Pontiac G6.