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B Body K member Best Upgrade

The good coil over frames have towers for the coil over shocks and don't use the factory shock towers.
 
I agree and it’s so rarely brought up! Unless you’re doing a full cage, this is just opening up a huge can of worms.
The TB anchors are carrying all that load and transferring it back to the crossmember which has a lot less bending moment (arm). Going the coil-over route adds immensely to the twisting force the body now has to carry.
That's why I installed a U.S. Car Tools body stiffening kit on mine. I don't want any body twist when I'm hitting the mountain curves or motocross at the shows.
 
The coil over set-ups give Way More Clearance for the front of oil pan and the motor can be set lower in the chassis. We've used a couple of the aftermarket vendors and we use the torsion bar set-ups as well....just another thought and we let the customer decide $$$. At least with a full length pan/hemi.
Yeah...Sure.
If you need to pull the pan often for some strange reason, sure...The $5000 expense of the coil over kit makes a LOT of sense! :realcrazy:
 
My A12 Super Bee broke a sleeve on a K member WAY back in 73.. My get to school car at the time and that was horrific... Had to install a new K Member
 
Easier to trim the K frame for pan clearance than it is to swap to aftermarket. The same coil over shocks w/o the coils mounted fit. There is not much if any advantage for the coils vs torsion bars except clearance. Rack and pinion is a nice advantage. But the cost of all this stuff would really make me think twice. Want to make one really drive nice? Cut the floor pan and suspension out of a LA, LC, LD, or LX and weld it in.
Doug
 
I upgraded the k member on my 71 cuda. Wish I would have redirected that money into anything else. Torsion bars give a way better ride than the coil overs IMO. What a waste of good money.
 
If your'e going to change out from stock style torsion bar I would recommend looking at the Reilly Motor sport AlterKation front end. It doesn't use the shock towers shock mount for the coil overs that part is built into the frame of the unit. I have the street handling version for my 64' but in all honesty i have not driven the car as it it still under construction. The Alterkation seems to be a well built piece and if any questions arise the owner or someone knowledgable will get right on the phone with you. I did add the front inner fender support bracing along with frame connecters, torque boxes ect to stiffen the chassis up.
 
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