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My LH 6 to v8 conversion...


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#51 yel327

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Posted 01 August 2020 - 09:12 PM

From memory the post 1971 SBC heads with flame hardened seats lose most of the hardness when you cut them, VL heads should be similar. Your builder will know.

I was just interested in what size VL chambers are.

#52 74LH

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Posted 01 August 2020 - 10:14 PM

So engine builder just confirmed they are flame hardened, no response if they're as susceptible to losing hardness when cut into or not. He hasn't mentioned a concern for it and has built heaps of VL heads over the years so I'm assuming its fine

The standard cc for VL heads is 64cc.
He will check mine this week and make sure they're the same (and make adjustments where necessary) before they head to the machine shop




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