PPM AutoX Springs - Chevy Impala SS Forum
 
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post #1 of 8 (permalink) Old 09-07-2015, 11:00 AM Thread Starter
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PPM AutoX Springs

Anybody have pics of their car lowered on PPM autoX springs? I am curious to see how they sit. Also, anyone have any problems with them sagging now that they have been out for a while?

I have them in my 96, but I can't see the stance yet as the car still has no motor/front end on it. I did notice when I removed the rear springs that one spring was distorted and didn't stand straight up when sat on end,. I wasn't happy about that considering the car hasn't even driven yet, but the rear still sits level so I am hoping it won't be a problem. The quality of a rear springs just didn't seem to great, which is why I am curious to see how they held up for guys using them over time.

Hoping that I didn't make the wrong decision in going with them as I had Hotchkis on my previous B bodies and loved the stance. I just wanted something slightly stiffer with a linear rate.

96 BBB Pro Touring- In the works- Mods list includes functional money incinerator, should have stuck to bolt-ons button, 100 dollars in mild steel MIG wire, a really expensive air compressor and a letter from Tire Rack saying nobody makes 335/35/17's anymore. (396/AI heads/D1SC)
https://www.impalassforum.com/vBullet...formance+build --frame off build up thread
Old N/A setup http://www.youtube.com/watch?v=3ZvPZi9fL8k 396, LE2 heads, TH400
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post #2 of 8 (permalink) Old 09-25-2015, 02:08 PM
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Here are my pics with Moog equivalents to PPM Auto X spring

Hey SSandman my current spring setup is as follows:

Moog #5664 springs @ 707 LBS(linear rate) for the fronts & Moog #5399 @ 166 LBS(linear rate) for the rear with about a 1.25" drop in ride height from stock Impala SS.

As you know I had the PPM Auto-X springs before I had the Vogtlands. When I wanted to put them back on because the Vogtlands were bottoming out too much, PPM or I should say Zack Kanter's new company Proforged did not sell them anymore. So Zack gave me the Moog part number equivalents.
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1995 9C1, 3.73 gears, TruTrac LSD, Hellwig front swaybar, B-Body Performance 1.25" rear bar, Currie rear upper & lower control arms, Dick Miller Racing rear brace, Vogtland springs, "Sport" Bilstein shocks, CIA Cold Air Intake, PCMFORLESS program, S10 torque converter and Performance rebuilt 4L60E w/Art Carr sunshell, HD 1-2 band & Raybestos Z-Pak 3-4 clutches. Harper's HD12 front brake, Techna Fit braided steel brake lines & Stealth Bolt Mod. 12 way front Bonnie seats & rear Bonnie seats.

Last edited by B'klyn9c1; 09-28-2015 at 01:16 PM. Reason: grammer
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post #3 of 8 (permalink) Old 09-26-2015, 09:29 AM Thread Starter
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Quote:
Originally Posted by B'klyn9c1 View Post
Hey SSandman my current spring setup is as follows:

Moog #5664 springs @ 707 LBS(linear rate) for the fronts & Moog #5399 @ 166 LBS(linear rate) for the rear with about a 1.25" drop in ride height from stock Impala SS.

As you I had the PPM Auto-X springs before I had the Vogtlands. Whan I wanted to put them back in PPM or I should sy Zack Kanter's new company did not sel them anymore. So Zack gave the Moog part number equivalents


Thanks B'klyn9c1! That stance looks great, I would be very happy with that. I can't recall the exact spring rates of the PPM, but from memory that seems like the same rate. So the PPM springs were all along just those Moog ones resold by PPM under their name?

96 BBB Pro Touring- In the works- Mods list includes functional money incinerator, should have stuck to bolt-ons button, 100 dollars in mild steel MIG wire, a really expensive air compressor and a letter from Tire Rack saying nobody makes 335/35/17's anymore. (396/AI heads/D1SC)
https://www.impalassforum.com/vBullet...formance+build --frame off build up thread
Old N/A setup http://www.youtube.com/watch?v=3ZvPZi9fL8k 396, LE2 heads, TH400
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post #4 of 8 (permalink) Old 09-26-2015, 04:23 PM
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Quote:
Originally Posted by B'klyn9c1 View Post
Hey SSandman my current spring setup is as follows:

Moog #5664 springs @ 707 LBS(linear rate) for the fronts & Moog #5399 @ 166 LBS(linear rate) for the rear with about a 1.25" drop in ride height from stock Impala SS.
What size tires/wheels you got there? Look like 18 or 19"
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post #5 of 8 (permalink) Old 09-28-2015, 07:29 AM
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I got 275/40-18's mounted on 18" x 9.5" C5 Corvette rear wheels. This size and wheels are mount all around.

1995 9C1, 3.73 gears, TruTrac LSD, Hellwig front swaybar, B-Body Performance 1.25" rear bar, Currie rear upper & lower control arms, Dick Miller Racing rear brace, Vogtland springs, "Sport" Bilstein shocks, CIA Cold Air Intake, PCMFORLESS program, S10 torque converter and Performance rebuilt 4L60E w/Art Carr sunshell, HD 1-2 band & Raybestos Z-Pak 3-4 clutches. Harper's HD12 front brake, Techna Fit braided steel brake lines & Stealth Bolt Mod. 12 way front Bonnie seats & rear Bonnie seats.
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post #6 of 8 (permalink) Old 09-28-2015, 07:55 AM
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Why in the world am I looking at Hotchkiss? Those are exactly the look I'm after. How is the ride? Softer.....more firm?

Bill Burgette
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post #7 of 8 (permalink) Old 09-28-2015, 09:42 AM
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Beware the ride is harsh! But the ride height is bitchin! No doubt! It makes the car look and feel like a lowered 2nd Gen F-Body from which it is decended from. I have the Sport Bilsteins and the ride is quite harsh on these bad New York City streets and roads. I am sure the lack of sidewall of low profile 275/40's that I'm running has a lot to do with it.

I had a conversation with Mark Savitske, the owner of SC&C and the author of How to Make Your Muscle Car Handle. He said those Bilsteins 1104s were designed to go with the stock 440 LBS rate front springs and they have a hard time with the 700+ LBS. One of the recommendations he made to me was to go with the Eibach PRO-KIT setup for the Impala SS. I seen that they have a 588 LBS linear rate for the front. That is what I am going to go with very soon.

1995 9C1, 3.73 gears, TruTrac LSD, Hellwig front swaybar, B-Body Performance 1.25" rear bar, Currie rear upper & lower control arms, Dick Miller Racing rear brace, Vogtland springs, "Sport" Bilstein shocks, CIA Cold Air Intake, PCMFORLESS program, S10 torque converter and Performance rebuilt 4L60E w/Art Carr sunshell, HD 1-2 band & Raybestos Z-Pak 3-4 clutches. Harper's HD12 front brake, Techna Fit braided steel brake lines & Stealth Bolt Mod. 12 way front Bonnie seats & rear Bonnie seats.
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post #8 of 8 (permalink) Old 09-28-2015, 09:49 AM
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Yeah, I found the 1104's too stiff on compression for our streets with the stock springs.

The current koni's seem like they could be a little stiffer on compression and are good with the adjustable rebound. Being softer on compression, bet they'd be good with the 707lbs springs. The crown vic bilsteins rode nice too, till one froze up, hence the konis.
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