Toyspeed.org.nz Message Board

by **BZG Wagon** » Sat Nov 12, 2011 6:15 pm

Talking with the GF's grandad (retired aircraft engineer); he reckons an overtight bolt is every bit as bad, if not worse, then an undertight bolt.

Which got me thinking - how do you know when a bolt is tight enough? Or do many of you use a torque wrench to get it right?

I'm referring to the bigger stuff here; sump plugs, large bolts, wheel nuts, etc.

by **deaf_rattle** » Sat Nov 12, 2011 6:45 pm

i always use a torque wrench when giving flat peakers the bash

by **Mr Revhead** » Sat Nov 12, 2011 6:46 pm

Yeah I use a torque wrench.
Not on sump bungs though! I do on wheel nuts.

by **ch4ng** » Sat Nov 12, 2011 6:52 pm

Yeah, on wheel nuts and engine internals

OMG so shiny! · by **Dell'Orto** » Sat Nov 12, 2011 7:03 pm

Definitely when tightening stuff into alloy!

by **Mr Revhead** » Sat Nov 12, 2011 7:05 pm

Dell'Orto wrote:Definitely when tightening stuff into alloy!

Relates to you latest "what did you do to your car today" contribution?

OMG so shiny! · by **Dell'Orto** » Sat Nov 12, 2011 7:06 pm

No that was done with a torque wrench too

but its hyper easy to strip threads in alloy if you use a breaker bar

by **Adoom** » Sat Nov 12, 2011 7:33 pm

Dell'Orto wrote: but its hyper easy to strip threads in alloy if you use a breaker bar

$&#$% AYE it is!! :evil:

Website · by **Bling** » Sat Nov 12, 2011 8:17 pm

Use one occasionally. Don't really do anything critical but the likes of wheel nuts it's handy for getting them all consistently tight. Other things I just use the right size tool as it's easier to know when it's tight. No 1/2" breaker bar on a 6mm bolt etc.

by **88.4ageGT** » Sat Nov 12, 2011 8:32 pm

Haha we used one bolting the head back on dads mini but the torque wrench was wrong so when it was set at 50 it was act at 80 so we keeped going til the click and ended up snapping the stud in the block lol

by **1I1** » Sat Nov 12, 2011 10:16 pm

Only ever use it on wheel nuts (don't normally do any other work that requires it). Usually get it about right but check to be sure.

by **Mr Ree** » Sat Nov 12, 2011 10:34 pm

Wheel nuts, and important internal bolts etc

by **matt dunn** » Sat Nov 12, 2011 11:11 pm

I have only ever used one on headstuds and conrods/mains.
Everything else I do by hand.

by **Grrrrrrr!** » Sat Nov 12, 2011 11:18 pm

Everything inside the long block, and flywheel bolts + engine/gearbox mounts and sometimes wheel nuts.

by **Lloyd** » Sat Nov 12, 2011 11:54 pm

matt dunn wrote:I have only ever used one on headstuds and conrods/mains.
Everything else I do by hand.

This. And cam bearing caps depending on the engine

People on here seriously use torque wrenches on wheel nuts??? I've only ever done that on rally cars

by **Mr Revhead** » Sun Nov 13, 2011 12:15 am

I do when working on other peoples cars :lol:

Website · by **Bling** » Sun Nov 13, 2011 12:19 am

I do it as it's a quick way to know they are all at the same 'tightness'. No other reason.

by **BZG Wagon** » Sun Nov 13, 2011 1:07 am

Hmm... I've been looking for a while and based on the replies, I think I should invest in one.

They seem remarkably hard to come by (at least where I shop - mitre 10, BNT, ripco, supercheap etc) and the last few I've come across were around $200.

by **Grrrrrrr!** » Sun Nov 13, 2011 7:12 am

$200.... That's cheap. .
http://tradetools.co.nz/products/3755380

Its almost as tall as me. I want one to hang on the workshop wall.

A teng or other cheapish torque wrench can be had for a hundy in 3/8 which covers everything from cam caps to crank bolt on a 3s.

by **iOnic** » Sun Nov 13, 2011 9:41 am

Use them all the time at work on just about everything that could be a problem if it came off. Got a Torque wrench in every size from 1/4" to 1" inclusive. The 1" wrench is almost twice my height :lol:

On my stuff I don't use it as much. Wheelnuts, brakes/suspension/steering, major engine bolts etc

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