Most newer engines utilize a one use bolt, that stretches as it's torqued. Now you are not just measuring Lb/Ft, but also ''torque angle". This requires a somewhat clumsy Jig to be used with the wrench when tightening the bolts. You will find these bolts are all but universal on heads and intakes in particular. Friday, I spent about 300 bucks on the Snap- On truck, purchasing a spiffy new torque wrench that does it all...with a digital readout and audio signal. No jig, no +or- 4 degrees, none of it. Just torque to the beep...cool. Accurate to like 1-2 degrees. I know, $268 (cash deal, 3 something on the books) seems like a lot for a tool Ace sells for $40, but if you do more than one set of heads, you owe it to yourself to at least check it out. This isn't an ad, just a heads up to all you more than casual mechanics out there. Save the ol' 40 buck clicker for the oil pan bolts.
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