<VV> GM's dumbest idea

[Jay Maechtlen]

On 7/30/2014 10:22 AM, Bill Hubbell via VirtualVairs wrote:
> Oh, I know that it was GMs INTENTION to have the airflow dry out the rockers, but all it takes is a few small leaves or other debris getting into the plenum (and thereby the rockers) to plug the small drain holes and thereby allow the water to sit inside the rockers, inducing rust.
>
> Exactly how many people do you think ever bothered to flush those rockers even once a year?
>
> To be fair, the unibody concept was still new back in the 1960s and also the notion was that the cars only needed to last a few years anyway, so the manufacturers were not really all that concerned with preventing rust over the long term.
>
> Today the cars are made to keep water out of enclosed spaces - not to invite it in.
>
> Another problem with the LM "flow-through" design is that if your car is parked on a hill, front end down, when it rains the water will not drain, but will accumulate in the rocker.
>
> Bill
well, it's a bit late for that battle.

A good question might be: How do you clear minor rust from the inside of 
the rocker, and can you seal it (belatedly) for better life?


-- 
Jay Maechtlen SoCal '61 2-dr modified w/fiberglass skin, transverse 3.8 
Buick V6 TH440T4 trans

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