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Timing cover won't fit easily, fighting head


scartail

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Hey guys, I'm putting my l28et back together. The timing cover wont go back in easily. What gives? Do I need to shave the top of the cover? 

 

Here is the cover dry fitted. I've tapped the cover with a mallet, but it won't seat fully. Still a sizable gap. The locating pins are aligned to holes. Chain guides aren't in and no gaskets. 

 

IMG_20191125_141020.jpg

Edited by scartail
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If the block wasn't decked, then it should still fit if it's assembled in the right order. If the block was decked, the timing cover should have been decked with it.

 

I did the exact same thing when I was reassembling my motor a few months back, but it all went together fine once I loosened the head and did things the right way. I don't have any input on longevity being affected, since I have less than 10 hours of runtime since I finished assembly and installation.

 

I reused the head gasket when I did this, since I don't think torquing a head should suddenly make a head gasket "used", but I'm also not using MLS right now, and it's not that inconvenient to do a head gasket on these motors.

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thanks for all the inputs.

 

i didn't have  it decked. but the new hg may be slightly thicker (uncompressed).

 

after tapping a little more, i noticed that the top corner of the cover was digging into the hg. i ended putting some rtv on the corner and along the gasket, and tightening it down.

Edited by scartail
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