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Canadian Poncho Homepage -> Canadian Poncho -> 58-64 Full Size Chassis Tech -> Interesting X-Frame Question
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HonestDave


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Interesting X-Frame Question
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Does anyone know if there's a kit you can buy for welding onto a hardtop or sedan frame to strengthen it for a convertible?

I'm thinking about those long thin strips of curved metal that are top and bottom of a convertible 58-64 X-frame.



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427carl


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THEY ARE VERY flexible.....

 

https://www.youtube.com/watch?v=OfrNI9qSCK0



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427carl


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http://www.348-409.com/forum/threads/how-to-correctly-stiffen-your-58-64-chevy-frame-for-better-handling.14072/

 



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HonestDave


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Interesting links. I checked them both out. Odd the e-mail didn't notify me of the two replies.

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427carl


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HonestDave wrote:

Interesting links. I checked them both out. Odd the e-mail didn't notify me of the two replies.

         that has not been working for over a year  



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64 Parisienne CS


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I see this is an older post but I am looking at the same issue for my 64 CS.  Nothing has been done to the frame to strengthen it.  The car is a weekend cruiser but it does has an LS with a 4L60 and it is fun to enjoy a "little bit" of that git up and go once in a while!  Has anyone done much work on stiffing up these frames?  I remember seeing an episode on Power Nation TV where they beefed up a 61 Impala frame.  I would like to do 4 wheel disc brakes, run the exhaust out the back, and replace the body mounts at the same time. 



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64 Parisienne CS
DonSSDD


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Your frame is fine until you hit about 500 HP and go drag racing. There are lots of people seriously drag racing these frames without adding frame reinforcement.

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64 Parisienne CS


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Thanks for the feedback.  If you are not having any issues with a 409 and 4 speed, I should be perfectly safe with mine.



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64 Parisienne CS
4SPEED427


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We had an interesting discussion at coffee the other night. Us 65 and up B body owners worry about rusty frames. It seems the 64 and older X frame B bodies don't have that issue. It had never occurred to me before that body rust is the biggest worry on those cars vs. frame rust.

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MC


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In the video that Carl posted above with the '60 Bel Air hardtop (rare car!), it looks more like soft rear suspension complying to torque reaction rather than frame flexing.  Is that true?  I would think if the frame flexed that much the body would be popping open doors and trunk and twisting, especially on a hardtop body which would be torsionally weak by design.  The video shows none of that, only the body leaning over as the rear springs compress on the right side.

I've seen them practically encase the X-frames in plate steel on those hopping lowriders, but realistically don't recall any huge reinforcements being necessary on X-frame drag cars or NASCARs back in the day.

What's the deal?



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427carl


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