If you look at it maybe from another point of veiw. 1) better mpg 2)the 250 would give you better over all performance. But you haven't said what Valves.? If your talking stock valves in both. The 194 maybe the better choice just because of added compression. But thats a 50/50 because of very little difference in compression.
I have ran both heads with 1.8 valves and didn't really see any difference. the 194 had MUCH more compression. But the 250 had better air flow around the valve But Less compression.So i still have to say a 50/50 call. hope this 2cents helps.
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God doesn't like ugly.
