summit lowering springs?
03-08-2011, 01:25 AM
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summit lowering springs? Has anyone used the summit lowering springs? Part #SUM-720103
My car needs rear springs badly...I'm not in the position to dump a lot of money into suspension parts right now so I'm looking to do this as cheaply as possible. I've heard nothing but complaints from people running sportlines. Anyone know who makes the summit springs?
My car needs rear springs badly...I'm not in the position to dump a lot of money into suspension parts right now so I'm looking to do this as cheaply as possible. I've heard nothing but complaints from people running sportlines. Anyone know who makes the summit springs?
03-08-2011, 03:02 AM
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I appreciate the reply...the car is currently on unknown lowered springs from the previous owner. They ride like worn out cut stock springs haha. The bump stops are nearly gone as the car pretty much rides on them. I know strano is the man to go to for suspension parts...but I was hoping to get away with something cheap until I can afford redoing the whole suspension. I'm running stock springs/shocks up front with ~106k on them and new bilsteins on the back with crap springs.
I guess I'm really just looking for a decent rear spring that lowers the car a bit...Any suggestions?
I guess I'm really just looking for a decent rear spring that lowers the car a bit...Any suggestions?
03-08-2011, 03:47 AM
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Call summit and ask them about rates, drop height, etc. They should be able to provide you with everything you need to know.
Summit brand stuff is generally not crap.
Summit brand stuff is generally not crap.
03-10-2011, 12:59 AM
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Just wanted to update...I called summit and got the spring rates on their springs. They could not give me the spring rates on the eibach pro kit. I called eibach and they would not give me the spring rates either...I ordered the summit kit. I will post before and after pics.
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03-10-2011, 04:26 PM
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ETA: iirc the pro kit for LS1 fbodies is somewhere in the 500lb range or less. And very progressive so they never seem to get into their actual rated rates.
03-10-2011, 04:35 PM
#11
Here is what I found:
Hotchkis:
Front: 1" Drop 285-525 lb/in spring rate.
Rear: 1" Drop 100-140 lb/in spring rate.
Eibach Sportline: (no rates listed)
Front: 1.7" drop
Rear: 1.8" drop
Eibach ProKit: (no rates listed)
Front: 1.5'' drop
Rear: 1.3" drop
BMR:
Front: 1.25" drop 310-550 lbs/in spring rate
Rear: 1.25" drop 145-170 lbs/in spring rate
Vogtland:
Front: 1.2" drop 336-542 lb./in spring rate
Rear: 1.2" drop 77- 228 lb./in spring rate
Hotchkis:
Front: 1" Drop 285-525 lb/in spring rate.
Rear: 1" Drop 100-140 lb/in spring rate.
Eibach Sportline: (no rates listed)
Front: 1.7" drop
Rear: 1.8" drop
Eibach ProKit: (no rates listed)
Front: 1.5'' drop
Rear: 1.3" drop
BMR:
Front: 1.25" drop 310-550 lbs/in spring rate
Rear: 1.25" drop 145-170 lbs/in spring rate
Vogtland:
Front: 1.2" drop 336-542 lb./in spring rate
Rear: 1.2" drop 77- 228 lb./in spring rate
03-10-2011, 10:55 PM
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The info Down posted is what the tech at Summit gave me on the Summit Springs...I will have the Summit springs on tomorrow - unfortunately I won't really have anything to compare them to as I'm sure they'll be better than what I've got now.
03-12-2011, 10:59 PM
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Eibach ProKit: (no rates listed)
Front: 1.5'' drop
Rear: 1.3" drop
I haven't installed the front springs yet, but got the rear springs on today...the springs I pulled off were cut stock springs. So, as I said earlier...nothing to compare to - but I'm very happy with these springs. The drop looks good...but most of all my car doesn't slam down on the bump stops on every bump.
Front: 1.5'' drop
Rear: 1.3" drop
I haven't installed the front springs yet, but got the rear springs on today...the springs I pulled off were cut stock springs. So, as I said earlier...nothing to compare to - but I'm very happy with these springs. The drop looks good...but most of all my car doesn't slam down on the bump stops on every bump.
