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Ls3 Heads to L98

L98VX

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I have an l98 with a large custom grind cam with standard heads, A guy near me has a set of ported ls3 heads for sale and was just wondering if these are an easy bolt on?
 

exanVZ

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Aren't L98 heads the same as LS3 heads? I thought they were both L92 heads.
 

L98VX

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That's what i thought but apparently not, i rang the guy and he said that they won't fit as the ls3 has a larger bore.
 

Mavericks Choice

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That's not correct as mentioned above both heads are L92 castings & do fit both engines.
 
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