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Old 11-10-2012, 03:11 PM
Gen1dak Gen1dak is offline
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Yes and no. The bolt patter comes from an earlier non-overdive model, so it will bolt up, but the overdrive models require a deeper pan for a couple more quarts of oil. For example, you most likely have the 46RE transmission, which can trace it's origins all the way back to the 3-speed 727. Same bolt pattern, same gasket. While the deeper overdrive model makes a nice deep sump upgrade on a performance 727, you don't want to use a standard 727 pan on the 46, even though the bolt pattern is the same. I don't think it'll fit anyway as the valve body on the overdrive model needs more room for clearance anyway. Before the overdrive model, we had to pay a lot more for a deep sump 727 pan, but now any OD pan works great on the pre-OD's. Just make sure it's for the correct OD model. There were 2 basic pan designs/ transmission designs from that period: the 904/500/42/44 (smaller) and 727/518/46/47 (bigger). They do not interchange pans between the two. So, now you see why it's yes and no. Those aftermarket aluminum pans have always been steep $$$ compared to stamped steel.
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