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Mexican 302 Block

wickedstangs

Chula Vista, CA
Staff member
Administrator
Something to note is a Mexican block is NOT setup for a hydraulic roller cam. You will either need the retrofit link bar lifters if you wish to run that style cam or you will need to tap the lifter valley to accept the spider and use the stock style lifters and dogbones. This route will require the use of a reduced base circle cam though. Both routes will require you to measure for a new pushrod length.

Pic of the comparison of mexican block cap vs stock block cap
 

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Gibs

Well-Known Member
Staff member
Global Moderator
good info. One ID for a mexican block is two Casting bumps on the front right and left sides, just under where the heads mount up to the block.

Emilio, can you get the pic out of that book I loaned you that shows them.....


Gib
 

Gibs

Well-Known Member
Staff member
Global Moderator
These blocks normally have a higher Nickel content making them desireable. If you find one, keep it or sell it to an enthusiast.



Gib
 

wickedstangs

Chula Vista, CA
Staff member
Administrator
and Identified by casting numbers C8AM-B, 75ZY-AA, D1ZM-AA, among others, these blocks may be spotted by the "Hecho En Mexico" cast in the lifter valley.
 

Gibs

Well-Known Member
Staff member
Global Moderator
see this is the kind of threads we need more of on here.....general info about things that are not very common........
 
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