I concur, just because your bolts don't appear to have stretched, that A) doesn't mean that they haven't, and B) doesn't mean that they won't stretch out of spec or even break when reused.
Sold: 1998 DGC Sport 3.8 (Final odo: 178,000 miles)
Sold: 1998 Chrysler T&C LXi 3.8 (Final odo: 190,000 miles)
Sold: 2003 DGC ES 3.8 (Final odo: 172,000 miles)
1999 Chrysler T&C Limited 3.8 (Current odo: 200,000+ miles)
2001 Honda Accord EX-L V6 (4-Speed automatic)
2016 Mazda3 s Grand Touring 5-Door (6-Speed manual)