de37champ Posted March 11, 2006 Share Posted March 11, 2006 i am replacing the rear springs on my B61, I got a spare set when i got my truck. Now the Question, the ones that are on it have a short set of helpers on them that go to the front hanger, the ones that i am putting on does not but are a lot heavier than the ones coming off, Would that cause a problem later on, it does have a dump on it and i am going to use it too, it is a single axle ex tractor with a short dump box on it, also are the round bushings for the hanger bolts still available Quote Link to comment https://www.bigmacktrucks.com/topic/922-rear-springs/ Share on other sites More sharing options...
fullfuel01 Posted March 11, 2006 Share Posted March 11, 2006 depend on the rate of the spring. the tickness of them and their lenght. better with your old set system because you're riding on less spring when unloaded. with the new one you can get the same strenght but when unloaded does your truck need to be that stiff?? Quote Link to comment https://www.bigmacktrucks.com/topic/922-rear-springs/#findComment-4740 Share on other sites More sharing options...
Rob Posted March 11, 2006 Share Posted March 11, 2006 i am replacing the rear springs on my B61, I got a spare set when i got my truck. Now the Question, the ones that are on it have a short set of helpers on them that go to the front hanger, the ones that i am putting on does not but are a lot heavier than the ones coming off, Would that cause a problem later on, it does have a dump on it and i am going to use it too, it is a single axle ex tractor with a short dump box on it, also are the round bushings for the hanger bolts still availableThe springs that are currently installed on the truck were specific to tractor usage. I would assume the torque link to the front spring hanger is to limit axle wrap, or walk in tractor usage, as all of the cargo weight is not on the suspension, but I am not quite sure. The second set of springs you mention are for platform type truck usage, ie strait truck where the cargo weight is all on the trucks suspension. I have both styles and I'm familiar with both.Rob Quote Plodding along with no job nor practical application for my existence, but still trying to fix what's broke. Link to comment https://www.bigmacktrucks.com/topic/922-rear-springs/#findComment-4742 Share on other sites More sharing options...
Freightrain Posted March 13, 2006 Share Posted March 13, 2006 I had my spring pack rebushed, no big problem. Cheap if I recall now and came with pin. Quote Larry 1959 B61 Liv'n Large...................... Charter member of the "MACK PACK" Link to comment https://www.bigmacktrucks.com/topic/922-rear-springs/#findComment-4768 Share on other sites More sharing options...
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