LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

front spring

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Old 06-25-2012, 02:17 PM
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front spring

What is everybody using for front springs in there lsx swap? I have stock springs and tubular kmember with an aluminum ls1 i have noticed that the front sits higher then before. Will v6 springs work? I perfer to stay away from lowering springs, I like the stock height. Any Inputs?
Old 06-25-2012, 03:18 PM
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Re: front spring

I chopped my stock Iroc-z spring 1/2 coil and my car is absolutely straight/level with the ground. The ride/handling is good too.
Old 06-25-2012, 07:47 PM
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Re: front spring

Cutting 1/2 coil seems to be the trick, I have used both Moog 5662 as well as GM WS6 front springs on mine...both minus 1/2 coil to set the ride height.

The Moogs are significantly stiffer and not very pleasant on bumpy streets, but are excellent on road courses. The WS6 springs are a good compromise but the car nose-dives during really hard braking.
Old 06-26-2012, 04:02 PM
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Re: front spring

I was running Eibach Sport-line lowering springs on mine when I had the old L98 engine in it. And I did a lot of searching here on tg.org on what to do with the springs when an LS is in the car, so I cut my Eibachs 1/2 coil as everybody (including me now) were saying, but with those springs cut 1/2 coil the car was almost on the ground and totally undriveable , so be aware of what type/brand of spring that you cut. But as I mentioned before, my stock Iroc-z spring cut 1/2 coil made it super nice
Old 06-27-2012, 06:02 AM
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Re: front spring

did anyone try v6 front springs?
Old 06-27-2012, 07:12 AM
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Re: front spring

A little older thread that might be of help:

https://www.thirdgen.org/forums/ltx-...uspension.html
Old 06-27-2012, 07:35 AM
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Re: front spring

I had to cut a half coil off of a set of Bell Tech 2" lowering springs to get it down just under stock ride height.
Old 06-27-2012, 10:25 AM
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Re: front spring

Eibach sport springs. Used from a member here. Height and stance are perfect for me. No cutting or removing isolators at all.

Tho...we'll see what it looks like with the iron 6.0 vs the LS1. I think I have a LITTLE room for the front to drop so should be ok.

J.
Old 06-27-2012, 03:36 PM
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Re: front spring

Yeah I wish I´d kept my Eibachs uncut just like Ghettocruiser...;-)
Old 06-27-2012, 07:44 PM
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Originally Posted by jimmy92rs
did anyone try v6 front springs?
Yes.

Probably not the best view, but it sits a little high with V6 springs.

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Not so bad on the launch, though...

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I cut half a coil off of V8 front springs for the LS1/4L60E car. It sits pretty much like it did with the Gen I SBC with iron heads and TH700.
Old 06-28-2012, 01:14 AM
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Re: front spring

I'm using a tubular k-member with v6 springs
Old 07-14-2012, 07:54 AM
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Re: front spring

Originally Posted by nhra-trans-am
I'm using a tubular k-member with v6 springs
i was thinking to go that route. does the car sit level now?
Old 07-14-2012, 10:17 AM
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Re: front spring

I'm running Eibach Sportlines in the front and new stock springs in the back. Tubular Kmember and spring isolators all around. Sportlines in the rear had the car almost raked the opposite way.

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Old 07-14-2012, 11:51 AM
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Re: front spring

car sits nice!
Old 07-14-2012, 12:01 PM
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Re: front spring

Hotchkis springs here with tubular k and an iron block. I will post a pic later but it doesnt sit higher than the rear, pretty even. I love the look.
Old 07-14-2012, 05:42 PM
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Re: front spring

Originally Posted by jimmy92rs
i was thinking to go that route. does the car sit level now?
Yes it sits level, I can take a pic if you'd like.
Old 08-04-2012, 11:56 PM
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Re: front spring

Yes take one if you don't mind.
Old 08-08-2012, 10:39 PM
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Re: front spring

This is how mine sits with one whole coil cut off
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A inch or so drop in the rear would look good imo, but its fine for now.
Old 08-09-2012, 06:20 AM
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Re: front spring

So I ended up cut a coil off the front and 1&1/2 off the rear. These are new spring btw.
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Old 08-09-2012, 04:15 PM
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Re: front spring

Jimmy92rs. What size tires you have on that?
Old 08-09-2012, 10:02 PM
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Re: front spring

Originally Posted by tvc 15
Jimmy92rs. What size tires you have on that?
245/ 40r18 in the front and 295/30r19 in the back
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