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12r torque values

Tech Talk for Ford, Mazda, Daihatsu & Makes that currently dont have a home.

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Posts: 264
Joined: Tue Aug 31, 2004 4:57 pm
Location: New Zealand

12r torque values

Post by Rotazuk »

Hi
Well no luck with an engine to swap in place of my mates 12r so we pulled the old on apart and found it had swallowed something in no 1 cyl . Can anyone tell me or point me to the torque values for the cylinder head bolts and the crank journal and conrod bolts . Will try and put it back together this week .

Cheers
Chris
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Joined: Tue Aug 17, 2004 6:14 pm
Location: The Hague, Netherlands

Post by elgordomuygrande »

I've got a repair manual of the 12r. Can give you the info tomorrow. not at home today.

cheers, Ron
smokin' is bad, especially for your curtains

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F20 Resin Top, 2.5" lift , 31" Grabber AT's
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Post by Area54 »

Cap bolts - conrods - 28.9 to 35.2 ft-lbs
Crankshaft - 70.6 to 80.6 ft-lbs
head bolts - 74.5 to 84.6 ft lbs
Built, not bought.
Posts: 264
Joined: Tue Aug 31, 2004 4:57 pm
Location: New Zealand

Post by Rotazuk »

Hi
Thanks for that . Will get the motor back togther then he can go and find himself a manual for it . You never think you will need one until its too late .

He has taken a punt and got a second have 12r from a toyota and hopes to swap out a piston . Did Daihatsu change the block casting when they made there motors ? Whats with the casting over the flywheel etc . New to Daihatsu I am .

Cheers
Chris
Posts: 3523
Joined: Sun May 18, 2003 8:42 pm
Location: Somewhere they can't reach me, shoot me or electrocute me...

Post by Area54 »

Daihatsu never touched the petrol motors, they were supplied in long form direct from Toyota.

the bell casting on the block is only on the 12R, the 18R has a flat block end with no bell. You can get a extension housing to mate an 18R to the 4 speed box, but unless you plan to keep the rig for a while, it is easier to keep the little 12R in there.
Built, not bought.
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