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#742920 - 11/23/09 05:53 PM Re: Lowering the Rear of your G Body [Re: SickSpeedMonte]  
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Got it covered, alignment rack in our shop.

#748197 - 12/13/09 09:26 PM Re: Lowering the Rear of your G Body [Re: 1 Slow SS]  
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Originally Posted By: 1slowSS
Wow Bernie that was very good, I actually learned something today. The drawings turned the light on for me. If I don't have a print to reason it out in my head I'm blind.

So you have some issues with the set up. Have you ever considered putting a corvette rear and suspension under the Monte?



which year corvette, what size is the rear end???


383 6"rods 3.75 stroke, forged -12cc pistons, 64cc heads (190 int 175 ext) thumpr 279 hyd flat tap (lift in .479 x .465), 1.6 roller rockers, true dual valv springs, HV oil pump, harden pump shaft, edlebrock performer rpm intake, thunder 750 man carb, 6grove serp belts, HEI dis, alum radiator, derale 4k cfm electric fans, 2k stall, rblt th350,
#748200 - 12/13/09 09:29 PM Re: Lowering the Rear of your G Body [Re: SickSpeedMonte]  
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[quote=SickSpeedMonte]http://www.classicperform.com/chevelle.htm

RCS60342 will lower the G body 3". That's what is in my car in this pic (and currently)

[img]http://www.sickspeedmonte.com/ProShot.bmp[/img]



do you have any problems with your car being lowered 3"??? speed bumps and such.


383 6"rods 3.75 stroke, forged -12cc pistons, 64cc heads (190 int 175 ext) thumpr 279 hyd flat tap (lift in .479 x .465), 1.6 roller rockers, true dual valv springs, HV oil pump, harden pump shaft, edlebrock performer rpm intake, thunder 750 man carb, 6grove serp belts, HEI dis, alum radiator, derale 4k cfm electric fans, 2k stall, rblt th350,
#752230 - 12/29/09 09:25 PM Re: Lowering the Rear of your G Body [Re: SickSpeedMonte]  
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Kyle H. Offline
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Little Rock, Arkansas
Originally Posted By: SickSpeedMonte
http://www.classicperform.com/chevelle.htm

RCS60342 will lower the G body 3". That's what is in my car in this pic (and currently)

[img]http://www.sickspeedmonte.com/ProShot.bmp[/img]



What did you use for the front?

#752234 - 12/29/09 09:32 PM Re: Lowering the Rear of your G Body [Re: Kyle H.]  
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SickSpeedMonte Offline
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Originally Posted By: blackpearl7051
[quote=SickSpeedMonte]http://www.classicperform.com/chevelle.htm

RCS60342 will lower the G body 3". That's what is in my car in this pic (and currently)

[img]http://www.sickspeedmonte.com/ProShot.bmp[/img]

do you have any problems with your car being lowered 3"??? speed bumps and such.


Not after having my exhaust tucked away by a fabricator friend of mine, rolling the rear fenders, relocating the front fenders, and changing my worn out shocks to gas charged tokikos smile

Originally Posted By: Kyle H.
What did you use for the front?


F41 springs minus 1 coil and 2" belltech drop spindles.

#753076 - 01/01/10 10:26 PM Re: Lowering the Rear of your G Body [Re: SickSpeedMonte]  
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SilverSS Offline
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Ocala, FL
Ordered the RCS60342's today!! smile


1986 MCSS 540 BBC, TH400, S-60


#761346 - 01/31/10 07:20 AM Re: Lowering the Rear of your G Body [Re: SickSpeedMonte]  
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I'm the new guy , so it was great to read all the back and forth on this topic , very well written , I learned something new here that I will need in the near future.....Thanks to all


... " HEY - O " ... LET THE HORSES RUN

#779510 - 03/30/10 05:03 AM Re: Lowering the Rear of your G Body [Re: Hey-O]  
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Two questions. Silver, did you get those springs installed and if so can I see a pic? also with these 3" springs, can you let the diff hang free without them falling out? I've tried different springs and I haven't come up with anything that's really workable for a reasonable price.

#780205 - 04/01/10 11:09 AM Re: Lowering the Rear of your G Body [Re: SinCitySid]  
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SickSpeedMonte Offline
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Originally Posted By: SinCitySid
Two questions. Silver, did you get those springs installed and if so can I see a pic? also with these 3" springs, can you let the diff hang free without them falling out? I've tried different springs and I haven't come up with anything that's really workable for a reasonable price.


Originally Posted By: SickSpeedMonte
http://www.classicperform.com/chevelle.htm

RCS60342 will lower the G body 3". That's what is in my car in this pic (and currently)

[img]http://www.sickspeedmonte.com/ProShot.bmp[/img]



Notice how the rear axle is too far back. That's from the LCA relocation brackets and the adjustable upper arms (set to the correct pinion angle)

I need to fabricate some adjustable lower arms to bring the axle back to where it should be, and then I'll still have the roll steer issue.

#780600 - 04/02/10 05:28 PM Re: Lowering the Rear of your G Body [Re: SickSpeedMonte]  
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I would imagine you would have to back half the car and put something like a double wishbone rear in it to fix that issue. I'm not going that far. Just a lowered DD.

#780817 - 04/03/10 02:15 PM Re: Lowering the Rear of your G Body [Re: SinCitySid]  
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SickSpeedMonte Offline
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Or just move the frame side mounts of the UCA's up a couple inches.

#780824 - 04/03/10 02:38 PM Re: Lowering the Rear of your G Body [Re: SinCitySid]  
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SilverSS Offline
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Ocala, FL
Originally Posted By: SinCitySid
Two questions. Silver, did you get those springs installed and if so can I see a pic? also with these 3" springs, can you let the diff hang free without them falling out? I've tried different springs and I haven't come up with anything that's really workable for a reasonable price.


Sorry not yet. They're sitting in the garage. Been doing a lot of work on my buddy's Mustang for him. Right now I've got 275/50/15 DR's on the back on 8 1/2' wheels and I'm pretty sure if I run those they're going to hit the fender- even though I already rolled them. They stick out a lot more than I thought they would. I've gotta get the vette wheels back on it and do some measuring. The springs would be fine with stock wheels. Hopefully won't be long!


1986 MCSS 540 BBC, TH400, S-60


#791672 - 05/06/10 04:26 PM Re: STICKY: Lowering the Rear of your G Body [Re: SickSpeedMonte]  
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AG Offline
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This method is a little unorthodoxed, but it works. I'm using a set of cargo springs for a 76 Vega with the stock snubber assembly. The 76,77 Vega rear srings are not pigtailed and have a snubber assembly that fits inside the spring. What I did was weld a circular steel plate with a 2.5" center hole to the top of the snubber assembly. With this installed the car pretty much sits at stock ride height. With this method, it allows you to cut whatever off the spring you want to get the desired drop you want. I have pix but it seems you can't attached pix on this site with your reply.

#794476 - 05/16/10 07:20 PM Re: STICKY: Lowering the Rear of your G Body [Re: AG]  
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DICARLO Offline
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I got rear springs from a third generation Camaro at the boneyard. I also use the Camaro spring isolators. My wheel lip is about even with the top of the tire. No handling problem, and more room for tailpipes.


Please see my ...

87 RED REGAL T, it's down the road frown , or my 87 DARK RED T and don't forget my 87 GRAND NATIONAL
#795475 - 05/19/10 11:48 PM Re: STICKY: Lowering the Rear of your G Body [Re: DICARLO]  
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Not sure if its covered yet. But I made a u shaped bracket that could be bolted to stock upper mount, Then installed adjustable coilovers. QA1s can be leaned so they fit factory location, spring clears top and bottom, I can adjust shock bound and rebound, ride height and even swap springs with relative ease. I installed in the front alo just for the adjustabililty on the auto-x.


1985 Monte Carlo SS, T-Tops, 355cid w/ AFR 195s 409HP/429TQ, C5 Front Brakes, T5 5 Speed, QA1 Adjustable shocks/springs Front and Rear blah, blah, blah..........
Silly "Ricers", useless wings are for penguins!
#795851 - 05/21/10 02:56 AM Re: STICKY: Lowering the Rear of your G Body [Re: 85t5mcss]  
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SilverSS Offline
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Ocala, FL
Sickspeed- your PM box is full! I got the 6034's in and I'm starting to wonder if they sent me the right springs. On the box it says RCS603-4 as the number and under it it says RR Coil Springs 4' drop. These springs were a LOT shorter than the 1 1/2' drop springs I already had on it and only lowered the rear of the car another 1/2'. Here's a few pics. The tires are 275/50/15's- about 26' tall. Did they send me the wrong springs?




Last edited by SilverSS; 05/21/10 03:02 AM.

1986 MCSS 540 BBC, TH400, S-60


#798251 - 05/30/10 02:51 PM Re: STICKY: Lowering the Rear of your G Body [Re: SilverSS]  
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Minotaur15 Offline
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Silver,

If I might offer my opinion. That looks like a really good height!


Dan - minotaur15@hotmail.com
'86 MMC Road Course Ready
[Linked Image]
#799317 - 06/03/10 04:39 AM Re: STICKY: Lowering the Rear of your G Body [Re: Minotaur15]  
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SilverSS Offline
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Thanks. I'm pretty happy with it. When I looked at Sickspeed's car it looks a lot lower than mine in the back- and I think our tires are similar in height. It seemed like he had a lot less space between the fender and the tire. I know he said he was having issues with tires rubbing the inside of the fenders- mine aren't even close.


1986 MCSS 540 BBC, TH400, S-60


#806137 - 06/28/10 04:01 PM Re: STICKY: Lowering the Rear of your G Body [Re: SilverSS]  
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Hey all, I just put mine in this weekend. Its like sickspeed's, so silver try taking the shock mounts at the bottom off. It could be that the shocks are bottoming out and not letting it drop all the way down.

Also the springs will fall out if the rear hangs free. I'm going to use 4wd suspension limiters. I put the Belltech shock on too. They are just a bit to long but shorter then stock by about 2".

#807379 - 07/02/10 06:44 PM Re: STICKY: Lowering the Rear of your G Body [Re: SinCitySid]  
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SilverSS Offline
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Thanks I'll give that a try. I looked at the shocks after I put them in and they aren't fully collapsed but it seems like something must be holding it up higher. What size tires do you have on the rear?


1986 MCSS 540 BBC, TH400, S-60


#808691 - 07/08/10 04:33 PM Re: STICKY: Lowering the Rear of your G Body [Re: SilverSS]  
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Are you using spring isolators?

Mine were advertised as a 3" drop. Not sure why yours says 4".

Thanks for the heas up on teh PM box, I'll take care of that.

#810010 - 07/14/10 12:49 PM Re: STICKY: Lowering the Rear of your G Body [Re: SickSpeedMonte]  
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SilverSS Offline
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Well I tried disconnecting the shocks and no change- still the same height. The suspension does travel up and down so it's not because it's bottomed out. Any other ideas? BTW my car has a bolt in Strange S-60 rear, and adjustable upper and lower control arms with rod ends on one end and poly bushings on the other. Thanks.


1986 MCSS 540 BBC, TH400, S-60


#812190 - 07/23/10 10:52 PM Re: STICKY: Lowering the Rear of your G Body [Re: SilverSS]  
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Looking for some clarification, the a-body springs lower the rear an inch more than what they are rated. Is that with or without the isolators? And does anyone sell something with less than 2" rated drop on the a-body. I want to lower the rear of mine about 2" I run a taller tire on the back so I cant lower it as much. If not I will dish out the dough for the OPGI springs to match my fronts I have from them. Also, how much of a drop does just removing the isolators give?

Bernie, I seen you said something about fabricating rear lower arms. They sell adjustable lowers also. I'm not sure what the fully collapsed length is but i'm sure they could be cut down. They run ~$250 for the pair. They even have the holes in them for bolting the sway bar to.

SileverSS, are the axle tubes on that S60 larger in diameter than the stock axle? You could get some lift from that. And remove the isolators if you havent.


84 Monte SS stolen September 2012. 077 DFE Jefferson County KY plate. $2500 reward. Vortec headed 350ci, th350, 3:73 limited slip cast aluminum cover, Autometer gauges, Pro-Stick, 2.5" fiberglass hood.



Matt
#813336 - 07/29/10 02:28 AM Re: STICKY: Lowering the Rear of your G Body [Re: 84supersport]  
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I'm pretty sure the axle tubes are larger- the S60 has 35 spline axles. I don't know what stock axle tube diameter is on the 7.5. I'll go measure mine when I get a chance. Isolators are gone.

Last edited by SilverSS; 07/29/10 02:28 AM.

1986 MCSS 540 BBC, TH400, S-60


#826090 - 09/26/10 12:33 AM Re: STICKY: Lowering the Rear of your G Body [Re: SilverSS]  
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Hey Bernie, your PM box is full again... all us suspension noobs filling it up laugh

Anyway, I was wondering if you happen to know the P/N for the 2" advertised/3" actual springs from CPP. I've looked all over their site, but the A body springs I'm finding look to be pigtailed on only one end.

Thanks,
Scott


OMGhp/WTFtq... and A/C & stock wheels
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