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Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

Frame lock Question.

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Old 10-14-2004, 08:37 AM
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Default Frame lock Question.

First off I did a search, came up with some articles but nothing answered my question in detail.

How do they work????

it looks like they are just a bracket to connect the core support and the front sub-frame.

can some one describe how they work and include pictures if possible to help show how they work.
Old 10-15-2004, 11:11 AM
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Default Re: Frame lock Question. (gsrswapdcivic)

Originally Posted by gsrswapdcivic
First off I did a search, came up with some articles but nothing answered my question in detail.

How do they work????

it looks like they are just a bracket to connect the core support and the front sub-frame.

can some one describe how they work and include pictures if possible to help show how they work.
Here's an explanation. We have not released it yet onto our website. This was posted on some other forums. If you have any other questions you can email us at info@korbachperformance.com.


Frame Locks quickens the steering response by increasing the lateral (side) stiffness of the front frame. Visualize a car going into a sharp turn. As this occurs, the road surface exerts a lateral load to your front tires at the tire patch. In an extreme turn your tires will want to scrub out to the side. The lateral load of the tires will translate a lateral load to the suspension which in turns translates a lateral load to the front frame. The front frame of the car will flex and the time it takes to flex will result in a lagged response of the steering. Although the time it takes to flex may not seem to be significant. In actuality it is. For example at 40 mph, a vehicle is traveling at 58 feet/second. The simple calculations are as follows: [40 miles/hr x 5280 ft/mile] / [60 minutes/hour x 60 seconds/minute]) = 58 ft/sec. If stiffening the front frame results in a reduction of flex time of even 1/10th of a second, that translates to 5.8 ft of vehicle travel which is significant.


The Civic is great car and the rigidity of its chassis is above par for it’s price class. However, it was not designed by the OEM to be a high performance car. That’s why there is a huge after market industry to cater to driving enthusiasts wanting more out of their Civics.

The front lateral stiffness of the Civic has a lot of opportunity for improvement. It is by far the “weakest link in the chain” for chassis design. The current architecture relies on the lower radiator support to transfer the lateral load from the left front rail to the right front rail. Since the lower radiator support is at a lower elevation than the front rails, the load path takes a zig zag and that is a very inefficient structural design for high performance expectations. A close look at the lower radiator support will also indicate that the fore aft section thickness is quite narrow. Because of this, it does not yield that much stiffness when loaded laterally for the rails. Ideally the way to efficiently transfer the lateral load of the right rail to the left rail is to do this on the same plane. It just so happens that the bumper beam is at the same plane. Unfortunately, the attachment stiffness to the frame rails is very weak. This is designed in this manner to reduce cost and ease the assembly to assure fit and finish. High performance cars have stiffer attachments in this area.

Basically, the Frame Locks unifies the entire front chassis by effectively tying the front rails together. Professional race cars also have stiff chassis and they do so for this very reason. It’s not always about the suspension. A high performance car also needs a stiff chassis to make the suspension work effectively.

We realize it is difficult for some people to comprehend and accept that our product actually works. We are a new company with a new product. That is why we offer them risk free. If after 45 days a customer is not satisfied, they contact us, mail them back and we will give them a full refund. We have not had one single return.

Thanks for keeping an open mind!

Here's some other links in case you have not stumbled across them before:

> Korbach Performance’s Frame Locks makes the front cover of the September issue of Honda Tuning magazine. Cover: “Best handling upgrade you don’t know about”. Link is:

http://hondatuningmagazine.com/tech/0409ht_honda/

> Product reviews from the co founder, moderators, racers and members of a popular car enthusiast club (Clubsi.com)

http://forums.clubsi.com/showf...art=1

> Product review from the founder and web master of a car enthusiast club (Speed-society.com)

http://www.speed-society.com/f...locks/

> Product review from a member (Team 4 R) of a popular car enthusiast club (Clubcivic.com).
http://www.clubcivic.com/board...rbach

> Product review (Nate) from a Honda swap web site (Hondaswap.com)
http://www.hondaswap.com/forum...45556

> Product review from 1st time poster Kevin Demmons
https://honda-tech.com/zerothread?id=1014385

> Product review from a car enthusiast web site club in Canada.
http://forums.beyond.ca/showth...59871

You can also do you own independent search on Google. Type in "Korbach Performance". You will find no bad reviews.

Thanks again!

David Lawson
Korbach Performance

Old 10-15-2004, 03:09 PM
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Default

great. thanks for all the help.

also do they make them for the EG hatch
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