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What does this mean? LCA stuff

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Old Apr 26, 2003 | 11:44 PM
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TJs57TPi's Avatar
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From: Lincoln Park, NJ
What does this mean? LCA stuff

i keep hearing about "boxing" your lca arms, does this have somethin to do with your stock lca's and you somehow modify them or does it just mean to simply buy a new pair of lcas?
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Old Apr 26, 2003 | 11:48 PM
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From: Stillwater, OK
Car: 1991 Formula
Engine: 355 DFI Superram w/ R-Trim
Transmission: Probuilt 700r4
It means adding material to your stock LCA's so that they are more rigid under compression.
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Old Apr 27, 2003 | 12:00 AM
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Yep, by 'boxing' them in they just weld a flat peice of metal to the bottom of the lca where it is open on a stock peice.
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Old Apr 27, 2003 | 12:29 AM
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is it effective at all? i dont have money for new ones just yet
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Old Apr 27, 2003 | 02:08 AM
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I've never done it myself so I can't speak from experience. Check this post though. https://www.thirdgen.org/techbb2/sho...hreadid=175686
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Old Apr 27, 2003 | 09:14 AM
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It helps somewhat, but is far less effective than just getting decent ones in the first place. They're not very expensive and are very easy to change; personally, for as little money as better ones are, I wouldn't bother to go through the hassle of fooling with stock ones. I'd suggest the Lakewood ones: just the LCAs, not their "traction action" kit, which IMHO is the wrong way to go about solving the problem.
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Old Apr 27, 2003 | 11:17 PM
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Car: '87 IROC-Z/'82 RX7
Engine: SBC 355/1.1L Rotary
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It helps ALOT on straight power runs. It's not AS effective around corners, as the tubular aftermarket ones.

You really can't get any stronger than a box of steel.. tubular ones help from side twists, but not as good as boxed on straight aways.

It's VERY worth it and VERY inexpensive. Couple bucks for about a 1/4-3/8" Flat sheet of steel... C clamp it to the LCA and weld the edges forming it around. I did mine today, and like the guy was saying, it felt like the rear was RIGHT THERE. You give it gas, and you feel you move.

ALSO you need to put in POLY bushings, because heating LCA by welding can cause the rubber bushings to become slightly sloppy. Not to mention, Poly is better anyway.

I did both.
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