Thread: Buying a Butler
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Old 06-16-2012, 08:26 AM
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Join Date: Feb 2000
Location: St. Lucia, West Indies, WI
Cobra Make, Engine: Unique 427SC 383 stroker
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Butler Cobras are solidly built and will deliver a good solid feel if properly built and cared for. The only potential weak link is the MGB front suspension and it sounds like you're onto that.

My older Unique had the same front and rear suspensions but I tossed the MGB setup in favor of Unique's own coil over IFS and upgraded the Jag rear with their triangulated rear trailing arms. The difference was remarkable.

I don't know whose Cobras ride like oxcarts - mine sure doesn't - but that is likely due to donor-car suspensions with shocks, springs and sway bars designed for cars that are almost twice the average Cobra's weight.

I enjoy a nice, firm ride in my car with only a front sway bar. I elected to leave the rear bar off in favor of keeping some compliance in the rear suspension. This setup delivers a supple ride with a small amount of body roll; and the extra articulation in hard turns allows the IRS to do its job and keep the inside rear tire planted when I get on it early and hard exiting the corner.

The goal of eliminating all body roll often leads to excessive suspension stiffness which contributes to snappy oversteer, produces a harsh ride and is just not the ideal setup for a short, light sportscar with independent suspension.
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