TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

Trickflow 56cc 's vs ZZ4 heads,which is better?

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Old Aug 26, 2006 | 12:44 PM
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robertfrank's Avatar
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Trickflow 56cc 's vs ZZ4 heads,which is better?

I have another one of my stupid questions that have to be asked for the sake of improving the knowledge of all who partake of this hobby of ours.

Which aluminum cylinder head would be better for a street/strip L03?
I'm going all out on my little truck motor and for both weight savings and higher performance I am torn between the two.Does any one have any educational guesses/opinions on this matter? Any real world experience?
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Old Aug 26, 2006 | 05:09 PM
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The trickflows are much better than zz4 heads. The old aluminum L98's are old technology, basically like a standard L98 head with better exhaust flow. It'd be nice if you could get your compression up decently high with a small gasket or decking or something, I'd look into that, because normally you'd want higher than your 9.3 or 9.5:1 compressoin with aluminum heads.
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