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Old 06-26-2012, 09:10 PM
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Default Exhaust manifold studs

'05 F350 5.4 4x4

Am very pleased that I haven't broken a stud on passenger side manifold. 2 came out perfectly, 3 brought out the stud with it, but they are in great shape for a New England truck. (other 3 in the AM when its light out) Question is: Do I locktite these in into the block, what type locktite if I do, and any clue what torque value off the top of your head? i was thinking maybe 20-23 ft. lbs. since the nuts themselves are 18 ft. lbs.
F350 2005 FX4 5.4 rc 4x4 w/fisher plow
1970 John Deere 112
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Old 06-26-2012, 11:23 PM
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2005 Ford F-250
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Posts: 4,338

9-10 on the studs..

18 is correct on the nuts, use anti seize, no loctite..
05 F250 C/C FX4 6.0
1969 Firebird Trans Am
2003 Hayabusa GSXR1300
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