1965 Mustang coupe- chassis kit - Ford Mustang Forum

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post #1 of 6 (permalink) Old 09-13-2010 Thread Starter
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1965 Mustang coupe- chassis kit

Hello all,
looking for tight handling w/ limited roll/twist. Only for street use, not track, but I want the handling to be there when I need it.
I've read about chassis support kits- basically heavy sheet metal plates welded to parts of the chassis (torque box, shock tower to cowl/firewall--etc) any opinions on how well they worK? Would they even be worth it for a street car?

Also will sub-frame connectors help me with better handling? do they mak a noticible difference?


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post #2 of 6 (permalink) Old 09-13-2010
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What size sway bars are you running?

Old and in the way.
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post #3 of 6 (permalink) Old 09-13-2010 Thread Starter
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sway bars ==== 1" front, I think 5/8 " rear
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post #4 of 6 (permalink) Old 09-14-2010
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Sub-frame connectors of the right size welded in place will provide more rigidity for the chassis. A roll cage adds even more but for the street the roll cage is a little over the top for most people.
Modernizing the front suspension can benifit the handling even more than the "common" mods for the early Mustangs. Whether they are worth the expense is a personal question that only you can answer.
The 65 coupe will handle pretty well for a street car if you do the Shelby drop and follow the suggested alignment settings for that mod. When used in conjunction with big sway bars and sub-frame connectors they are very good handling street machines though they do not perform as well as a well prepped track suspension.

1966 Coupe
Top Loader
rebuilt, rewired, modified for slalom and hill climb
No racing - just a fun car built by and for me.
Project in process
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post #5 of 6 (permalink) Old 09-14-2010
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The best reading you can do DazeCars, Suspension 101
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post #6 of 6 (permalink) Old 09-14-2010
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I'd recommend keeping those sway bars, and adding 550 lb-in front springs and 4 1/2 leaf mideye rear springs along with some good shocks (Konis or KYB gas-a-just, or whatever your choice is). Also, rollerize your front suspension (opentracker racing products is good for that) and a Shelby drop of 1", and add traction bars in the rear (I'm using Traction Master style bars, requires some welding). A panhard bar out back is also a good idea, as are subframe connectors. One thing I've seen is filling the foot area of the floor pan with steel plate. It'll add some weight, but it'll improve rigidity. All this will provide you with a very nimble, yet streetable Mustang that will show up many cars at an autocross.

Proud owner of a '65 289 coupe w/ T5. Equipped with Edelbrock Performer intake, Quick Fuel 680HR carb, flat-top pistons, Comp Cams Xtreme Energy valvetrain with XE262H cam, Hedman longtube headers, MSD ignition, and decked and ported heads. Suspended by 600# 1" drop front and stock rear springs, KYB shocks front, 1" front sway bar, 1" Shelby drop, Griggs Racing GR350 rear suspension. Many more mods to come!
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