Installing head....need torque specs - S-10 Forum
 
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post #1 of 9 Old 04-27-2009, 07:58 AM Thread Starter
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Installing head....need torque specs

Dad just had his 2.2 rebuilt and is installing the head back on the motor. I found the specs on the head bolts, but I need to know if there are any specs on torquing the lifters? It's a '96 model 2.2 if it makes and difference in the years.

Thanks,
Chris


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post #2 of 9 Old 04-27-2009, 11:23 AM
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Re: Installing head....need torque specs

I'm guesing your talking about the rocker arm nuts. If so the spec for 94-97 is 22 ftlbs

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post #3 of 9 Old 04-27-2009, 10:39 PM
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Re: Installing head....need torque specs

i dont know if this helps any but here are some toque specs from my haynes book for s10/blazer 94-2004

camshaft sprocket bolt ........................................96
camshaft thrust plate bolts ..................................106 in-lbs
crankshaft pulley bolts.......................................... 37
crankshaft pulley/hub-to-crankshaft bolt...................77
cylinder head bolts
step 1
long bolts............................................. ..........46
short bolts............................................. .........43
step 2................................................. .............tighten additional 90*
engine mount-to-engine bolts.................................39
engine mount through bolts....................................38
engine mount bracket-to-frame bolts.......................33
exhaust manifold nuts...........................................115 in-lbs
flywheel/driveplate-to-cylinder head nuts/bolts
through 1998.............................................. ......24
1999-later............................................. ...........17
lifter guide retainer-to-block-stud............................97 in-lbs
oil pan bolts............................................. ............89 in-lbs
oil pump-to-block bolt............................................32
rocker arm studs............................................. ......37
rocker-arm nuts (bolts on 1999-later).......................19-22
timing chain cover bolts..........................................97 in-lbs
valve cover bolts............................................. ......89 in-lbs

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post #4 of 9 Old 12-02-2013, 02:41 PM
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Re: Installing head....need torque specs

step 2 on head bolts,what is it ?
are rocker arms torqued while valve is in any position ?
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post #5 of 9 Old 12-02-2013, 02:47 PM
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Re: Installing head....need torque specs

Step 2 on head bolt torque is not in my stats, what is it ?
are rocker arm nuts torqued with valves in any position ?
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post #6 of 9 Old 12-02-2013, 05:14 PM
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Re: Installing head....need torque specs

Step 2 on the head bolts is to tighten the bolts down an extra 90 degrees (1/4 turn) to stretch the bolts. Do it with a breaker bar. This is in addition to the torque specs mentioned in step 1. The bolts are torque-to-yield, that's why they are one use only. Don't re-use old headbolts, they've already been stretched.

I torque the rockers with the valves closed, this way you're not fighting the spring and screwing up your reading.

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post #7 of 9 Old 12-02-2013, 07:53 PM
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Re: Installing head....need torque specs

there is also a pacific torque pattering... look at my pic!
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post #8 of 9 Old 12-03-2013, 09:46 PM
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Re: Installing head....need torque specs

This thread is about 5 years old. If the guy didn't figure out torque specs by now then he's in trouble. Stop bringing up old threads!

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post #9 of 9 Old 12-03-2013, 10:17 PM
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Re: Installing head....need torque specs

why don't you try reading in the middle of this thread to find that someone "actually" searched for a answer and found a old thread, then figured out he couldn't get the knowledge that he needed to carry on so he asked a question... this is what really pisses me off about this forum, instead of people answering questions they bitch about everything else other than just answering them... if you dont want to answer questions, don't comment or don't be apart of a ****ing forum!!!!! thank!!! matt...

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