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Hurry! 6.1 Con rod bolts, re-new or not, and correct part number.

MikkoV

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Upper ones are bolts that were in my engine, below bolts ordered from dealer, part 6509243AA which seems have replaced part 6508245AA, anyone know that are my bolts those?
Upper ones not seem like torqued to yield bolts, even that much as lower ones? and there are 2gram weight difference between bolts, can part have been replaced with lighter one...

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My engine is from wrecked Jeep Grand Cherokee 6.1 -07, oil filter neck was broken. So sake of piece of mind i did check bearings from two connection rods when changing oilpan. And took new bolts to those aswell. Should i just re-use old ones, or ignore that 2gram weight difference. Or order new ones and put my project on hold for 2 weeks, which is aproximately what it takes to have correct bolts here in Finland.
 
Last edited:
Yes i did, after asking from machinery shop that balanced my LS3, and been told that 8gram difference is indeed in factory tolerances. I did put it together with those bolts above.
 
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