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Old 06-22-2008, 12:17 AM
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Hans_Andersson
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Join Date: Jun 2008
Posts: 25
Default Differences between o.s speed .21 v-spec speed alum and magnesium.
Is there any difference between these engines other than the heads?
Im looking to buy one, and i have found one for a good price.

There is a 20-30 dollar difference between the engine and since the difference is so small i wonder what engine will hande heat best. The aluminum head or the Mag head.

Alu head

Magnesium
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