5W30 although with synthetics technically 0W30 would be better (on start up where the most wear occurs). 0W40 would be for a very hot climate.... the flow characteristics of 0W30 and 0W40 at temp are virtually the same.
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'09 370Z - '93 300ZX Vert - '83 280ZX - '83 280ZXT -'81 280ZXT stroker - '72 240Z - Stillen CBE, HFC, G3, Grounding Kit, Sways // Swift Spring // H&R 15mm // 5% Tint // Clear Bra // 
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