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253-308 heads?

Started by daggy · 7 Mar 2006 · 4 replies

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daggyArchived member
hey ppls, 2 questions.. first; would 253 heads fit a 308 or vis-verser...? and also.. if they do.. what would it go likee. ? just thort about asking cheers daggy-moote Some original photos have not been recovered yet.
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AyiosArchived member
Yes they fit.. either way.. Just dont put heads with big valves on a 253 cause they can hit the block.
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daggyArchived member
would 253 heads restrick a 308 at all ? or are they the same heads?
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MadVK308Archived member
308 heads are the same as 253 heads, you can put B cast heads on a 253 with no worries (larger valves) it still has clearance. you just cant put VN heads on a 253 as the valves will hit the deck. if you were keen you could have recesses put in for clearance but financially wouldnt be worth it.
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daggyArchived member
nah i got 253 heads off my old motor and standard heads on my new motor(308) thinking about workign them a bit for the time being till i upgradee
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