Duvernay has the highest stock output production Quad 4: the 190-hp 1991 to 1992 RPO W41. The 1993 W41 lost 10 hp due to smaller exhaust ports. Photo: Kevin Davis via Wikipedia (CC-3.0) A 1992 ...
'The new darling of the engine-swap set is the GM Gen III family of small-blocks that includes everything from the lowly 5.3L truck engine to the LQ9 6.0L all the way up to the swarthy Corvette LS7 ...
It's all in the timing, they say. Well, other adjustments also play a big role in how your motor runs, but firing the spark plugs at the correct time certainly helps performance. Most 'wheelers simply ...
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