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Old 11-24-2013, 02:03 PM   #1
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sunseeker 3170ds suspensions

Hi I'm new member and this my first thread. I have sunseeker 3170ds, my question regarding the Bigfoot jacks clearance range from the ground surface. And the sunseeker level too. My Bigfoot jacks hits the speed humps. There is any way or idea to increase range from the ground surface ? The sunseeker run little bit low. The air bags suspensions are at 95 psi. Please advise.
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Old 11-24-2013, 02:52 PM   #2
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Tough one. I have the Bigfoot jacks but had them installed after the sale by Quadra (partially due to wanting to get more of a custom job placing the cylinders higher on the frame due to our sloped driveway that I back into). Since you have the air bags near max capacity, your options are somewhat limited. Perhaps take weight off the rear (move stuff forward, lose water weight, etc). Another option is to hit the speed bumps at an angle.
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Old 11-25-2013, 12:30 AM   #3
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I appreciate your concern yes it's tough one the easy solution is to remove the jacks. The hard solution is to replace the factory suspension with bigger custom suspensions both ways tough to do. About removing weight I doubt that other wise I have to remove the cabinet in the bed room ? There is no other weight. Driving cervly on the humps won't work too. I think we should come up with an idea to Bigfoot to have two stop operation.
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Old 11-25-2013, 07:03 AM   #4
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Find out if they sell a raiser kit for your axles. There was just a post not long ago that some have done to increase the frame clearance from the wheel wells which would raise your frame 4". But make sure your big foot will be able to extend that far down. If you keep hitting speed bumps you are going to damage the units.
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Old 11-25-2013, 07:44 AM   #5
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One thing to look at is the mounting of the jacks maybe they can be moved up. Also big foot uses 2 different jacks the rears are 18.5 inches overall and the fronts are 16.5 inches overall. A 2 stage cylinder would be a good idea but the cost and weight might be to great.
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Old 11-25-2013, 07:47 AM   #6
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Quote:
Originally Posted by gljurczyk View Post
Find out if they sell a raiser kit for your axles. There was just a post not long ago that some have done to increase the frame clearance from the wheel wells which would raise your frame 4". But make sure your big foot will be able to extend that far down. If you keep hitting speed bumps you are going to damage the units.
Don't think it will work on a motor home.
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Old 11-25-2013, 09:55 AM   #7
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A while back I had a dealer add a leaf spring to a unit and that seemed to help the ride height. Or maybe it was leaning. All I remember is that adding the leaf spring solved whatever it was.
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Old 11-25-2013, 11:27 AM   #8
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Thanks all. I think of adding a suspension leaf. The existing suspension leafs are six in number. I plan in adding 4 more to gain 4 inches height. My question dose it have any side effect and the issue is what about the front suspensions it will require a left up too to keep the motorhome balanced.
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Old 11-25-2013, 11:29 AM   #9
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Originally Posted by ALMansoori View Post
Hi I'm new member and this my first thread. I have sunseeker 3170ds, my question regarding the Bigfoot jacks clearance range from the ground surface. And the sunseeker level too. My Bigfoot jacks hits the speed humps. There is any way or idea to increase range from the ground surface ? The sunseeker run little bit low. The air bags suspensions are at 95 psi. Please advise.

You didn't day if it was the rear or the front jacks that are hitting. On my 3120 with factory jacks, the fronts will drag over speed bumps before the rears. Thus less air in the rear air bags is better. Raising the jacks up will only make the jacks less useful as they have too short of a stroke already.
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Old 11-25-2013, 11:51 AM   #10
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The rear jacks hits. I removed them untill I find a solution where to add leafs in proper manner.
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