zero Posted February 28, 2013 Share Posted February 28, 2013 Somebody asked about them on the Chinook forum. I replied and figured I might as well post the info here in case somebody has a need to know. It was mentioned that they are near impossible to find. $90 from NAPA for a pair. They arelisted for the rear end of a 1979-1993 Saab 900.The coil springs in the front of 70s to 1983 Toyota trucks measure - 3 5/16"ID, 4 1/2" OD, 1/2" diameter coil stock OD, 9 coils, and a free height of 12". One endsquare and one end tangential.The NAPA part # 277-5264 are a slight upgrade over stock. $89 for a pair. 3.3"ID, .6" coil OD, 9 coils, and 12.44 free height with a 1,042 lb. load capacity.One end square and one end tangential. Note that tangential springs can be cutdown to lower if wanted Quote Link to comment Share on other sites More sharing options...
linda s Posted February 28, 2013 Share Posted February 28, 2013 Well I'm the one who asked but that is awesome info. I was sure there had to be something out there that would work. Linda S Quote Link to comment Share on other sites More sharing options...
zero Posted March 1, 2013 Author Share Posted March 1, 2013 I only mentioned NAPA as one example. Rock Auto has them for $50 a pair instead of the $90 at NAPA. ROCKWELL Part # RV205 Quote Link to comment Share on other sites More sharing options...
MontanaChinook Posted March 6, 2013 Share Posted March 6, 2013 Where did you say you've seen replacement leaf spring packs that fit Chinooks? I don't really know how they are measured, to find them on my own... Quote Link to comment Share on other sites More sharing options...
zero Posted March 7, 2013 Author Share Posted March 7, 2013 Where did you say you've seen replacement leaf spring packs that fit Chinooks? I don't really know how they are measured, to find them on my own... I measured the original Toyota springs. Free length, compressed height, coil-wire diameter, coil count, and types of ends. The Toyota springs are tangential at one end and flat on the other. I took those specks and went to my suspension coil spring book to see what else uses that same size, wire diameter, coil count, etc. The rear springs used in the 1979-1993 Saab 900 appear to be perfect. Rated at 1042 lbs. each at a 10" height. The original Toyota springs are rated at 900 lbs. each. The Saab springs are: 3.312" ID (84 mm) , wire diameter .609" (15 mm), 8.8 coil count, 12.4" free height (315 mms) and rated for a 1,042 lb. load. NAPA part # 277-5264. The Toyota springs have slghtly smaller diameter wire at .5" (13 mm). Rock Auto has them for half the price of NAPA. $50 for a pair of Rockwell # RV205. Quote Link to comment Share on other sites More sharing options...
MontanaChinook Posted March 7, 2013 Share Posted March 7, 2013 I actually meant rear leaf springs. Sorry, was slightly off topic. I was thinking of replacing the leaf spring pack on the Chinook, for a couple days there, but instead I ordered the Monroe load leveler rear shocks, and I'm going to add one leaf to each side. A little cheaper that way. I also did order those front springs. Going to feel like a new vehicle! It will have dropped a considerable amount of weight from how I bought it, too. Quote Link to comment Share on other sites More sharing options...
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