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4G63 Maincap torque sequence need specs

Vr4junkie

Well-known member
Joined
Jun 25, 2011
Messages
596
Location
Some wack town in CA
Ok so does any body have a picture of the torque sequence for the main caps I couldn't find anything beside the amount of torque to tighten them . Just nothing in the sequential order they go in I downloaded the overhaul pdf in the library but didn't find anything.
 
Last edited:

fuel

Well-known member
Joined
Feb 23, 2009
Messages
2,165
Location
Toronto, ON, Canada
similar to head bolt torque sequence - except you do it in pairs. Start from the middle cap and tighten (but not to the specified torque just yet, perhaps half), then do the one immediately to the left, then immediately to the right and so on. Then go back and start tightening to the specified torque figure for each of the main cap pairs.
 

prove_it

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Joined
Jul 3, 2008
Messages
4,201
Location
Sioux Falls, SD
I always go hand snug first round, 20 ft/lbs second pass, then whatever the final will be. It differs if using OEM bolts or ARP, but yes, tighten the middle then next one out on the left then the right then the outside two. With the crank there is less to worry about breakage like with a cam since there is no springs pushing back.
 

JNR

Well-known member
Joined
Apr 23, 2004
Messages
9,814
Location
ca
Not sure if you will be using anything on the threads? If so, remember to adjust your torque accordingly (will be less than dry)...
 
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