2 V dun spit out a plug?
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no chance at 14 as book states,check them after 3000 miles and thay will be loose check it fer ur self....heck even 17 will loosen at 5000, trust me 25lb,i tested it myself.....however i will tell ya this and it applys to all ratchet torque wrenchs,thay need to be oiled b4 hand by bolt in vise and let it click fue times...as it oils by clicking, u take wrench out box set to25 and use it right off and ir gonna be really torquing them critters to 45ftlbs therbye stripping them.....and this applies to all bolts.
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btw all torque specs fer plugs are by plug manifacture....not auto co,hanes/chilton any and all shop manuals get it from plug co. however its based on all threads making contact......the paper pushing tart enginers at ford thought thay be smart and follow the cad assesment of min thread contact to handle pressure....thay farked up
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so yeah 14 if its going in a hunk of alum with full thread contact,25 if yer dealing with half the threads to get same holding power.....the line u will be walkin is a tight one as u will strip it at 30ftlbs.
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I think you mean the other way around, most people don't have issues with the longer threaded 3V. If you have more threads you have more strength to torque it down more. I think someone did a test on the 3V and torqued it down to 300 ft lbs before the threads broke. But for the 2V you would be better off keeping it at 14 but really 14 ft lbs vs 25 ft lbs is such a small difference that it probably doesn't matter that much anyway.
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300ftlbs lol : )...... trust me on this one,and the 3v has a worse more expensive plug prob....thay get stuck 60% of the time and break plug in 2,champion came out with a one piece that helps the issue quite a bit
and 14-25 is almost 90% tighter.
and 14-25 is almost 90% tighter.
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Don't take that as fact hound I just remember reading it on here somewhere. And you mean 90% more torque, not 90% tighter. Torque and tension are polynomially related, not linear. But this is useless to say anyway since there are dozens of other threads discussing spark plug torque on here.
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