im replacing the heads on a 2.9 engine i need to know the bolt TQ specs and firing order, and timing,

thanks
Ryan

 

The ignition timing is 10-12', firing order is 1-4-2-5-3-6. I'll have to look up the torque, let you know tomorrow.

 

did you get your trq Numbers? I have a book in my truck I can look for you.
is your 86 a 4x4 or 4x2?

I have a 86' 2.9 4x4, good truck.

 

no QR i havent got the bolt torqe specs yes if you could look in your book and list the specs that would be a great help thanks a bunch....its a 4x2 brought it for $200 last week but had a cracked head..im just fixing it up so ill have somting to drive around while i install an LS1 in my Blazer

 

Here you go....you do it in three steps, 22 ft/lbs then 55 ft/lbs and then wait 5 minutes and turn them another 90'. You need to do them in this order...

8 1 4 6
5 3 2 7

 

thanks for all the help guys

 

hey i also need to know the torqe specs for the rocker arms 3 center bolts

again thanks

 

The rocker arm shaft support bolt is 43-50, I think these are the bolts your talking about.