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Jeff Lee · 06-26-2010, 04:42 PM

Good point to Paul about the head bolts. The 1970+ blocks / heads were a 1/2" head bolt while the 1969- blocks / heads were a 7/16" head bolt. Putting the 1970 heads on the 1969 short block would have required reducer bushings in the heads or drill / tap to the block.

06-26-2010, 04:42 PM	#21
Jeff Lee VIP Member Join Date: Jul 2007 Location: Anthem, Arizona Posts: 2,766 Likes: 0 Liked 3 Times in 3 Posts	Re: 69' amx Good point to Paul about the head bolts. The 1970+ blocks / heads were a 1/2" head bolt while the 1969- blocks / heads were a 7/16" head bolt. Putting the 1970 heads on the 1969 short block would have required reducer bushings in the heads or drill / tap to the block. __________________ Jeff Lee 7494 D/S '70 AMX