SOURCE: NEED TORQUE SETTINGS FOR 18 HP MODEL
hi
con rod bolt torques are 150 in/lb or 12.4 ft/ lb
cyl head bolt torque is 220 in/lb or 18.5 ft/lb
here is website for parts and manual
http://www.briggsandstratton.com/maint_repair/manual_and_more/docsearch.aspx?enginelookfor=31h777-0297-e1
i would torque them in this sequence
start from bolt centre top , then bolt centre bottom, then bolt left upper , then bolt btm right, then bolt bottom left , then bolt upper right , then bolt centre left
should be 7 bolts 5/16 x unc
check out website its good so is www.partstree.com
cheers paul
SOURCE: head bolts torque and sequence
They are listed in all Chilton Repair books,available at any auto store
SOURCE: Engine Bolt Torques- 2005 Chevy Impala/3400 Engine
Head Bolts
Step one 37 ft lbs then tignten 120 degrees more
Rocker arms
Step one 11 ft lbs then tighten 90 degresss more
Upper intake
89 inch lbs
Lower intake
132 inch lbs
SOURCE: Head bolt torque specs needed for 96 tbird 3.8
Head bolts are torque to yeild so you MUST use new bolts.
Tighten cylinder head retaining bolts in numerical sequence in three steps as follows:
Loosen retaining bolts one at a time two to three revolutions and retighten as follows:
Long bolts:
Short Bolts:
Here is a pic of the sequence
http://i253.photobucket.com/albums/hh43/chuck943/Headboltsequence38L.gif
SOURCE: 94 mazda B3000 3.0L cylinder head torque specs
Step 1 torque to 59 ft pounds
2. Loosen one full turn
3. 37 ft pounds
4. 68 ft pounds
Use torque sequence below
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