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Discussion Starter · #1 ·
hey guys i want to build my 76 xz 400 block with 6x 8 heads to over 300 horse witch shouldn't be to hard thinking 30 over pistons and a good cam set up have the 6x's ported and polished maybe milled a little get roller rockers and a aluminum intake hoping you guys can give some suggestions for were to get the best price for the parts and what companies to use haven't redone a motor in years and know things have changed anyway any replies will be great thanks
 
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