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Old 12-13-2011, 09:28 PM   #1
Spezzy
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Van Steel coil overs vs. VBP Adjustable monoleaf

Hey guys,
Just wondering your opinion on these two rear setups. I currently have the 420lb and 550lb fronts with Bilstein sports all around. It is my daily driver and I want to start autocrossing it and the occasional drag during weekends. I'm going to be ordering offset trailing arms as soon as funds permit.

The VBP is significantly cheaper, but the Vansteel has better clearance but not sure it is worth the money. Will also be looking for a good rear tire. Reason I want a [quick] adjustable ride height spring is for the running a wider out back that may be a little taller and require some more clearance. Note I will be doing auto-x more than drag.. Recommendations on a drag radial for daily use would be cool too.

I know it sounds like I want too much, but I am just in the preliminary stages of planning. Thanks all.
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Old 12-14-2011, 06:56 PM   #2
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I've got the VanSteel offset trailing arms and double adjustable coilovers in the rear and a composite monoleaf with Bilstein sports in front on my 77. Handles great and rides pretty good too.
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Old 12-14-2011, 07:04 PM   #3
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I have VPB offset trailing arms on my 71 and the trailing arms are no longer a clearance issue the limitation is now the frame.

Actually I have the full front and rear VPB kit on it and have had it on the road course in Topeka. I am very pleased with the way it handles. I only have the single adjustable shocks.
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Old 12-14-2011, 07:08 PM   #4
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Quote:
Originally Posted by Art Jett View Post
I've got the VanSteel offset trailing arms and double adjustable coilovers in the rear and a composite monoleaf with Bilstein sports in front on my 77. Handles great and rides pretty good too.
I think that's exactly opposite of the way most people would do it!

I don't know how the rear coilovers handle, but I don't think you'll gain any more clearance over the leaf spring.

Edit: saw you were doing it for the ride height. I'm not sure how much adjustment you have, but I know on the adjustable monoleaf setups changing the ride height is as simple as tightening a couple nuts on the ends of the spring.

Last edited by SuprJames; 12-17-2011 at 03:08 PM.
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Old 12-14-2011, 08:17 PM   #5
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Quote:
Originally Posted by SuprJames View Post
I think that's exactly opposite of the way most people would do it!

I know about how the rear coilovers handle, but I don't think you'll gain any more clearance over the leaf spring.

Edit: saw you were doing it for the ride height. I'm not sure how much adjustment you have, but I know on the adjustable monoleaf setups changing the ride height is as simple as tightening a couple nuts on the ends of the spring.
The adjustable monosprings, adjust for spring rate not ride height. Ride height is adjusted just like the stock setup, nuts on the spring bolts, (and/or longer 10" bolts.)
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Old 12-15-2011, 04:39 PM   #6
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I just went to the VB&P set-up. I have not driven the car yet, but I have heard great things. I hope it will handle as well as my 2000 Vette, or even better.

I did not see any need for the offset trailing arms with 17" or 18" wheels. I bought sotck arms and re-located the e-brake brackets. The wheels/tires would hit the frame long before they hit the stock arms.
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Old 12-15-2011, 08:17 PM   #7
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Quote:
Originally Posted by Metalkid View Post
The adjustable monosprings, adjust for spring rate not ride height. Ride height is adjusted just like the stock setup, nuts on the spring bolts, (and/or longer 10" bolts.)
The VPB front monospring is a doubble adjustable. It adj both for spring rate in the center hanger, and also for ride hight at the spring ends.

Here is a pic of it installed.



It has 4 spring rate setings in the center mounts. You can actualy set the spring rate different for each side if you wanted to. (I guess if you only made left turns.)
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Old 12-16-2011, 03:34 AM   #8
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Quote:
Originally Posted by iburke View Post
The VPB front monospring is a doubble adjustable. It adj both for spring rate in the center hanger, and also for ride hight at the spring ends.

Here is a pic of it installed.



It has 4 spring rate setings in the center mounts. You can actualy set the spring rate different for each side if you wanted to. (I guess if you only made left turns.)
I was thinking about replacing my stock coils with a front leaf spring when I`m rebuilding the front suspension. But that looks a lot lower than the stock setup. How much lower is the groun clearance with that spring? Our roads here in Norway are awful so I actually can`t lower the car much without hitting anything on our main roads

Thanks.
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Old 12-16-2011, 06:35 AM   #9
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The spring is completely under the cross member, so it is about 3" lower in the center. The ends are even lower than that. It is about as low as a C5 or C6 suspension. The good part, is it is in-line with the front wheels, so it won't be an issue on speed bumps or driveways, etc.

You definitely don't want to run over a squirrel or anything larger than a small bird or rodent.

For back roads, I owuld suggest a coil-over set-up for the front rather than the transverse leaf.
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Old 12-16-2011, 07:42 AM   #10
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Quote:
Originally Posted by Curby View Post
For back roads, I owuld suggest a coil-over set-up for the front rather than the transverse leaf.



I installed a front Shark Bite kit, which uses coil over and single adjustable QA1 shocks.

The kit is perfect because other than the adjustability of the kit it doesn't affect ground clearance at all.

I can set my ride height where I want it, and I can adjust the sensitivity of the shock.

It was not horribly expensive and it was very easy to install.
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Old 12-16-2011, 10:07 PM   #11
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I'm running the Van Steel QA1 coil overs Front & Rear on my '70. It's a great set up, not the cheapest solution but great results in handling and adjustability. I'm using dual adjust shocks in the rear (600# springs) and single adjust in front (500# springs), It's a big block car w/ a lot of aluminum (~675 HP) & a 5 speed tied to a Gary Ramedi 12 Bolt. The kit uses Hyperco springs that are available in many different rates for preference tuning. I would use this set up again in a heart beat! ...and the Van Steel guys were great to work with too. The QA system gives real independant wheel suspension which you will want for auto crossing. Just my opinions anyway....





Fronts:


Rears:
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Old 12-19-2011, 11:55 PM   #12
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I've got the VB&P duel mount leafs front and rear. The ground clearance isn't a problem; we have terrible roads here too and I go to NY once or twice a year and have to take the Belt Parkway, which is horrendous. It's no lower then the oil pan. The negative is like Ray said; it's not true independent suspension with them, you do get some cross feedback. The good with them; they're light, easy to adjust, and have an anti-roll attribute; as the car leans, it tries to put an "S" bend in the spring, which it resists. You can use a smaller anti-roll bar, which saves more weight and cost. For auto crossing on smooth-ish pavement the cross talk issue should be minimal. BTW VB&P has AWESOME service, I've used them for years including all kinds of custom stuff and they have always been good. The only thing you may want consider is the weight of your car. I've lightened mine a lot (2800 lbs) and the spring that comes with the kit is too stiff, I ran out of spring rate adjustment and it still rides like an empty dump truck. They can hook you up with a lighter spring if need be.
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