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Power limits of a 350th transmission?
I found a 400 small block Chevy for sale, and I was thinking about building it up and dropping it in my 78 El Camino.
Right now my El Camino has a stock 350th transmission and I was wondering if this motor would be too powerful for it to handle. I probably want to build it up to about 400-450 horsepower.
Well, it kind of depends on what you're going to do with it. For strictly street driving, a stock TH350 should be okay to around 400 h.p. if the trans is in good shape, but personally, I'd still build it.
Horsepower alone does not generally break drive-train components, its mostly the sudden impacts created by transbrakes, slicks or drag radials, low gear ratios, etc. A TH350 behind a 500 h.p. big block may live forever if it's driven conservatively, or 250 h.p. could break a case in half with a transbrake and slicks.
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