Quote:
Originally Posted by TheGerman
I'd have to disagree with some aspects of the previous post. If the TW is ~1000 lbs the spring bars should be rated for 1000 lbs. Going to 1200 lbs or even 1400/1500 lbs spring bars makes the rear of the tow vehicle bounce down the road like a ricer with cut springs. It also causes the rear axle to unload a lot more which can cause loss of traction and/or adhesion.
More isn't better when it comes to spring bars
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Well, I have to kindly disagree with you. It's actually the opposite that causes what I call "porpoising". If you are too close (or over) the TW rating, the spring bars act more like springs, and less like solid bars. It's the springiness and rebound that causes the bouncy "porpoising".
I always recommend staying at least 100 lb under the WDH rating. If you have 950 lbs TW, add 100 lbs (1050) and round up to the next kit (1200).
I have 750 lbs TW, and us a 1000 lbs kit, and the ride is great. No bouncing, and not harsh either.