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  #71 (permalink)  
Old April 15th, 2008, 11:06 PM
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Quote:
Originally Posted by T Spool View Post
Got a set on the way. I'll know this weekend if not sooner. I also have the F body springs I can trim to whatever I want if the 5413's don't work out.
Haha exact same situation I'm in. Used F-body springs sitting around but thinking about the 5413s since cutting springs is never ideal. Let us know!
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  #72 (permalink)  
Old April 19th, 2008, 12:42 AM
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Moog 5413 results are in!

Quote:
Originally Posted by Stuie View Post
Again, has anyone installed the 5413 rear springs??? What's the ride height to the fender lip????

Stuart
Here are results of installing Moog 5413 rear springs in my 87 T. From what I've read they were supposed to drop the car 1-1.5" Others results may vary....

26" stock height tire, used stock replacement springs (not cargo coils) = 27 1/2" ride height

26" stock height tire, Moog 5413 springs = 27 7/16" ride height

Yes, that's right a whole 1/16" drop. $72 out the window........
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  #73 (permalink)  
Old April 19th, 2008, 12:44 AM
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Darn that sucks. Guess if I want to lower the rear of the car I'll stick with chopping some old F-body springs.

Tonight I changed out the driver's side spring for the 5658, it's an interesting job in a cramped garage with hand tools.
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  #74 (permalink)  
Old April 19th, 2008, 08:23 AM
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TSpool, thats sucks. Did you drive the car around a little and then measure? The Monte guys are all lowering their cars with these springs. Wonder why it didnt lower it?
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  #75 (permalink)  
Old April 19th, 2008, 08:34 AM
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TSpool,

Sorry to hear that - as I know the frustration ride height creates. Did you clock them per the service manual? It calls for the pigtail being no more than 5 degrees forward or 15 degrees rearward of an imaginary line that runs right over the axles. Although I am not sure if this would make a difference or not, it may be worth checking.

JPolzin - I'll post some pics of my new ride height later today.

Rob
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  #76 (permalink)  
Old April 19th, 2008, 09:06 AM
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Man now i feel bad! Here are a few links that I have read about the rear springs:

Front springs for a 85 regal 455 - V8Buick.com

Front springs for a 85 regal 455 - V8Buick.com

Moog replacement springs: clarify the debate on best replacement part numbers - TurboBuicks.com

Shock Selection - Monte Carlo SS Message Board
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86GN "Sinfull" Corner Carving Stage 2. You want some?? No? I didnt think so!!!!

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  #77 (permalink)  
Old April 19th, 2008, 11:08 AM
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Guys, it's not a big deal at all. Swapping rear springs takes all of 15-20 minutes and they're cheap. I never get typical results on anything I do to this car so I'm used to it. Jeremy, I drove the car down my Dad's bumpy dirt road several times to seat them. Rob, I clocked them every which way but loose. I can actually get the car to ride higher by doing that, but seated correctly I am only 1/16" lower than the stock springs with zero other changes. I even put the stock ones back in to recheck that measurement and those put me at 27 1/2". I ended up reinstalling my torched rear springs and since I have installed poly body bushings and new Bilsteins those put me at 26 3/8" which is right where I want to be I still have the F body springs to cut, but the bad thing about those is you can't run air bags.
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  #78 (permalink)  
Old April 19th, 2008, 11:34 AM
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Here are pics of the springs for reference -

left = used F body springs
middle = used stock replacement G body springs
right = new Moog 5413

Looking at them, one would think the 5413's would drop the car, but because of the stiffer rate they don't compress like the stock springs. I'm thinking they would be better for you cornering guys and also better for launching since they should keep the car from squatting. I'm not into stock ride height though....

My guess is whoever says the 5413's drop a car 1"-1.5" is comparing them to progressive rate cargo coils
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  #79 (permalink)  
Old April 19th, 2008, 11:59 AM
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Yeah i would agree that the 5413 look as though it will lower the car just by comparing height of springs. I have read that people definately like them for cornering purposes. I wonder how much a new stock replacement spring sits versus the 5413? My used stock springs in my 86K mile car sat about an inch lower than the 21K mile car. This may be a difference as well. I think we should have someone measure their low mile original car and see where the comparison is. I read on a few different places where people installed the 5658 springs in the fron and it acutally raised the car becuase their stock springs were sagged that badly. What size tire are you running in the rear?
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86GN "Sinfull" Corner Carving Stage 2. You want some?? No? I didnt think so!!!!

87 Limited - 57K blackout, moonroof, CSII stock show car in the making!!!

Can we make this a sticky so I dont have to type the same thing over and over again?? Please???
http://www.turbobuick.com/forums/bra...g-results.html
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  #80 (permalink)  
Old April 19th, 2008, 12:05 PM
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OK I just went out and measured my 57K mile Limited that has stock tires on it. It measures 27 7/8 floor to bottom of lip. The 215/65R15 tire diameter is 26".
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86GN "Sinfull" Corner Carving Stage 2. You want some?? No? I didnt think so!!!!

87 Limited - 57K blackout, moonroof, CSII stock show car in the making!!!

Can we make this a sticky so I dont have to type the same thing over and over again?? Please???
http://www.turbobuick.com/forums/bra...g-results.html
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  #81 (permalink)  
Old April 19th, 2008, 05:06 PM
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Quote:
Originally Posted by T Spool View Post
...I never get typical results on anything I do to this car so I'm used to it...
Amen brother. I am glad I am not the only one.
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  #82 (permalink)  
Old April 19th, 2008, 09:24 PM
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Alright guys I need some opinions on what went wrong for me. 5658 in front got me a nice 28.5-29" ride height (depending on which part of the cracked garage floor I measure from). 3.5" gap between tire and fender.

Is it not seated right? I made sure I put the bottom of the spring in the exact same position as the stock one when I pulled it out, but couldn't really get a good look at the top perch and was just hoping it would go in as long as I had the bottom lined up right.

Opinions?
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  #83 (permalink)  
Old April 20th, 2008, 07:47 AM
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Wow, did you take the rubber insulators out and tape them on the top of the spirng before installing it? Sounds like somethings not seated properly. Also, did you try to push on the nose? Mine sat pretty high until I bounced the nose around a little.
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86GN "Sinfull" Corner Carving Stage 2. You want some?? No? I didnt think so!!!!

87 Limited - 57K blackout, moonroof, CSII stock show car in the making!!!

Can we make this a sticky so I dont have to type the same thing over and over again?? Please???
http://www.turbobuick.com/forums/bra...g-results.html
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  #84 (permalink)  
Old April 20th, 2008, 07:55 AM
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Quote:
Originally Posted by Turbo6Chicago View Post
Alright guys I need some opinions on what went wrong for me. 5658 in front got me a nice 28.5-29" ride height (depending on which part of the cracked garage floor I measure from). 3.5" gap between tire and fender.

Is it not seated right? I made sure I put the bottom of the spring in the exact same position as the stock one when I pulled it out, but couldn't really get a good look at the top perch and was just hoping it would go in as long as I had the bottom lined up right.

Opinions?
Mine looked like a four wheel drive right after I left it down from the jackstands. I went out in a parking lot and hit the brakes hard three times and it settled down.
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Simmons wheels (17x8.5 front (4.32" backspacing) with 235/45/17s Vredestein Sessentas, 17x9 rear (4.75 backspacing) with 255/45/17s), SC&C Street Comp Stage 2 kit (adjustable upper control arms, Howe tall upper and lower ball joints, S10 Xtreme lower control arm bump stops), 13 inch Baer front brakes, S10 rear wheel cylinders, Moog 5658 front springs with SPC one-half inch spacers
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  #85 (permalink)  
Old April 20th, 2008, 08:53 AM
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Quote:
Originally Posted by Silver Fox View Post
Mine looked like a four wheel drive right after I left it down from the jackstands. I went out in a parking lot and hit the brakes hard three times and it settled down.
Did you ever get any pictures of your car with the spacers in?
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86GN "Sinfull" Corner Carving Stage 2. You want some?? No? I didnt think so!!!!

87 Limited - 57K blackout, moonroof, CSII stock show car in the making!!!

Can we make this a sticky so I dont have to type the same thing over and over again?? Please???
http://www.turbobuick.com/forums/bra...g-results.html
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  #86 (permalink)  
Old April 20th, 2008, 09:05 AM
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Quote:
Originally Posted by jdpolzin View Post
Did you ever get any pictures of your car with the spacers in?
I had my car out yesterday but forget to take any pictures. I'll try to snap some of it in the garage today.

Rob
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Simmons wheels (17x8.5 front (4.32" backspacing) with 235/45/17s Vredestein Sessentas, 17x9 rear (4.75 backspacing) with 255/45/17s), SC&C Street Comp Stage 2 kit (adjustable upper control arms, Howe tall upper and lower ball joints, S10 Xtreme lower control arm bump stops), 13 inch Baer front brakes, S10 rear wheel cylinders, Moog 5658 front springs with SPC one-half inch spacers
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  #87 (permalink)  
Old April 20th, 2008, 12:01 PM
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Quote:
Originally Posted by Silver Fox View Post
Mine looked like a four wheel drive right after I left it down from the jackstands. I went out in a parking lot and hit the brakes hard three times and it settled down.
Hmmm interesting. Now I don't know if I need to redo it or if it just needs to settle down.
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  #88 (permalink)  
Old April 20th, 2008, 12:20 PM
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Bounce the car up and down a few times. It will settle. Mine did the same thing!
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86GN "Sinfull" Corner Carving Stage 2. You want some?? No? I didnt think so!!!!

87 Limited - 57K blackout, moonroof, CSII stock show car in the making!!!

Can we make this a sticky so I dont have to type the same thing over and over again?? Please???
http://www.turbobuick.com/forums/bra...g-results.html
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