Quote:
Originally Posted by henw
What I am interested in is increasing the payload from 3/4 to 1 ton. The engine power is OK. It's the suspension I want to beef up.
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the 2008 s 250s/350s use a LONGER leaf spring stack and different shackle points than previous years.
supposed to soften/improve ride while keeping payload up.
so junk yard or old rear suspension bits WILL NOT fit easily on the 08s
basically there are 3 differences between the 250s and srw 350s...
-the rear axle is 1-2 mm larger ( the next size up) on the 350s and this is the main payload gain...
-the spring stack has one more leaf
so it IS possible to upgrade the payload to 350 specs...
-have the dealer order a '08 rear axle and the full '08 350 spring stack which IS interchangeable with the 250s.
the 350 spring stack is about 500-600$ installed, i just checked on this 3 weeks ago.
they would not order JUST the additional leaf from ford, apparently it's only available as a complete stack from ford.
the rear axle is much more and i didn't get a price quote.
there are aftermarket options to raise the truck but they don't technically increase payload or gvwr.
i recently added one 'superlift' addtional spring stack leaf to my 250...
Add-a-Leaf Kits and Components · Superlift · www.superlift.com
not sure IF they have models for the 08s yet since the LEAFS ARE LONGER this year...
i'll report on why and what and how it performs next month.
but mark is correct NONE of this will help IF problems arise...
what is the main issue on payload? are you already exceeding it on the 250 or
would you just like the rear end to ride 'more level' when towing and loaded?
cheers
2air'