Timesert VS NS300L Insert System

jholland · #1 (**permalink**) 10-24-06, 11:59 AM

Does anyone with first hand experience have a preference. I work 5 mile from the NS300L Insert System location. One thing that really concerns me is the Timesert system has two kits available "first try and second try"

. I've seen N* engines on ebay with cracked blocks apparently due to timeserts.

I don't know if it make a differnce but on my engine the two lower bolts on no.4 cylinder were loose when I took the heads off. The other bolts came out without stripping the threads.

MUGSANDLUKE · #2 (**permalink**) 10-24-06, 12:35 PM

It's not for "first try - second try". If for some reason you have to tremove the heads after using the timeserts you can't re-insert them without increasing the diameter for a better bite. Hence the reason for the"2nd" kit with a slightly oversized diameter. From everything posted, they are still the best way to go.

dkozloski · #3 (**permalink**) 10-24-06, 12:40 PM

[quote=MUGSANDLUKE;843193]It's not for "first try - second try". If for some reason you have to tremove the heads after using the timeserts you can't re-insert them without increasing the diameter for a better bite. Hence the reason for the"2nd" kit with a slightly oversized diameter. From everything posted, they are still the best way to go.[/quot]

There is a Bigsert kit if you strip out a Timesert.

zonie77 · #4 (**permalink**) 10-24-06, 02:39 PM

I've done timeserts and don't see how you could crack the block from installing them.

I assume the NS300L kit is the one from ebay. It looks OK to me but I have no first hand knowledge of it. If you use it give us a review. It looks like the inserts are longer but I don't have them to compare.

dhm37 · #5 (**permalink**) 01-22-07, 06:19 PM

I used the Timesert Kit on a 95, and the NS300L Kit on a 98, both STS w/blown HGs. Two of the Timeserts gave way on the last torking. The NS300L inserts held, but then, they are grabbing a lot more real estate

The NS300L system has an aluminum block as an alignment gauge, whereas the Timesert has a steel guage that actually bolts to the block for each hole. The NS300L block has to be clamped to the block, which was a bit tricky until I got the hang of it.

Bottom line, I plan on using NS300L system on a 97 STS that is next in line for rebuild. Just be careful not to drill any deeper than the original bolt hole, or you will see daylight ;-).

Cad tech · #6 (**permalink**) 01-22-07, 10:14 PM

You need to let them sit overnight with the thread locker installed... If you the inserts gave on last tourquing either you installed wrong or your block was crystalized to much for it to hold...And you can crack the block when installing..if you missaligned the hole...if primary inserts do not hold kent-moore has the oversized and they are excellent, but you need the kit..