Third Generation F-Body Message Boards

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-   -   3rd gen k-member and lsx mounts (https://www.thirdgen.org/forums/ltx-lsx/709714-3rd-gen-k-member.html)

alex722607 10-09-2014 09:45 PM

3rd gen k-member and lsx mounts
 
Hi, I have a question (obviously - lol)

I have a stock notched k-member and spohn adapter plates. I know how it is positioned on the k-member, but I want to know what bolts everyone is using. Meaning are there stock bolts, or is there something else, grade would help. Since it is a bolt and nut, what torque specs is everyone using? Also, when I get my engine, what torque specs should I use to tighten the mount to the block. Is there anyone that sells a complete bolt kit for the engines? The latter I have not looked into much, but I nevertheless would like a little advise.

Thanks guys.

ps: swap is near... my charcoal canister failed today and I took it on the highway at high speed, felt like the transmission was going to shake loose and come through the floor. I can't wait for the swap!

Pocket 10-09-2014 10:11 PM

Re: 3rd gen k-member and lsx mounts
 
Mount bolts arent critical, use whatever is available, originals work fine. Torque values arent critical either, google the industry standard for whatever size/grade bolt you use if worried about it

I use grade 5 3/8" bolts with lock washers torqued as tight as my stubby spark plug ratchet can get them (30ish lb/ft)

QwkTrip 10-09-2014 10:18 PM

Re: 3rd gen k-member and lsx mounts
 
All the bolts are M10x1.5 so you can use the same 37 lb-ft torque for everything.
The large thru-bolt in the engine mount is 70 lb-ft.

Reuse the K-member bolts. You might need to get another set to make it four per side.

alex722607 10-09-2014 10:19 PM

Re: 3rd gen k-member and lsx mounts
 
well that's a start, thx Pocket .:)

alex722607 10-09-2014 10:23 PM

Re: 3rd gen k-member and lsx mounts
 

Originally Posted by QwkTrip (Post 5828391)
All the bolts are M10x1.5 so you can use the same 37 lb-ft torque for everything.
The large thru-bolt in the engine mount is 70 lb-ft.

Reuse the K-member bolts. You might need to get another set to make it four per side.

lol we posted at the same time!
thanks that's even better


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