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Discussion Starter · #1 ·
I was wondering if anyone could tell me the difference in size of a 351C to a 428 and then to a 460. Right now my 70' cougar has the original 351C in it and it only has about 3 or 4 inches of clearence to the shock towers but I would like to drop a bigger block in it and was wondering how big of a block would fit? Is the 351C 428 and 460 all from the 385 serius block? If so would there be much difference in what will fit and what wont? Thanks for the help all.
 

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Discussion Starter · #2 ·
Sorry I forgot to add that I dont want to cut the shocktowers and would like to keep it under the stock hood as well.
 

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Both big blocks will fit.The 428 came factory installed and the 460 will fit with a swap kit from Crites or MPG.The 460 is actually a little norrower than the 428 but a little longer.
 
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