Re: Proper Front Springs for 1966 Bel Air SW
Its just a guess but I think the 662A would be close. You probably will end up with around 270 lb/in or maybe less. After removing heater, etc. hopefully your front end weight will be somewhere around the 1900 lb range. You may find that even loosening the front end bushings you won't get as much weight transfer as you want, or keep it (even with the right shocks) with over 300 lb/in rate springs.
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