Torque wrench
Used a snap on 3/8 and 1/2 drive on mine. The 3/8 wasn't big enough to do the last torque setting on my head bolts. Many companies make good ones I would find a friend you could borrow one from rather than spending 3-400 on one just to use once.
i think 'good' is going to be relative to your budget... i use a craftsman myself, which is around $100. obviously a snap-on or equivalent will be more precise, but also a lot more expensive.
I had a Craftsman for years that had the window dial. I really like it. But over time, the numbers began slipping and the window was no longer aligned with the number.
So after a while I began worrying about the tool's calibration and accuracy.
Sears wouldn't warranty it.
I replaced it with a Lowe's Kobalt 1/2" drive torque wrench and like it pretty well.
So after a while I began worrying about the tool's calibration and accuracy.
Sears wouldn't warranty it.
I replaced it with a Lowe's Kobalt 1/2" drive torque wrench and like it pretty well.
Used a Cal Hawk "Tommy Tool" when I was younger till I blew a head gasket due to improper torque.Bought a snap on 10 years ago and never had a problem since.They even calibrate every so often to make sure it spot on 
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i actually have 3 torque wrenches... 150ft-lb 1/2" drive, 75ft-lb 3/8" drive, and an inch-lb 3/8" drive. fasteners have torque specs for a reason, and you dont want to over or under tighten anything that is critical.
3 years ago I asked for a torque wrench for xmas. Got [2] craftsman 1/2" adjustable wrenches. They cost $119 new 3 years ago. I put one away and don't use it [it's brand new]. If you want it you can have it for $65 shipped.
not only that but you dont have to reset it to the lowest setting (it automatically shuts off in 2 min), you would be surprised how many go bad because of this.
Oh well, still new & unused, now it's $50 Shipped...
