Quote:
Originally Posted by 83GTMUSTANG
The Motor Is Out Of A 78 Cougar Its Iether A 351m Or 400 The Block Codes Are D7te A2b And The Head Codes Say Deae A2a So Which One Is It Or How Can I Tell ...............
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Check if the timing cover is part of the block. If it is it's a modified engine if not it's winsor block.