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What do u guys use to keep bolts secure on an aluminum block

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Old 03-10-2019, 07:01 PM
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Default What do u guys use to keep bolts secure on an aluminum block

Never ran an aluminum block before so was wondering, beside the anti-sieze what do u put on your bellhousing bolts and front and midplate bolts to keep them tight.
Old 03-10-2019, 09:43 PM
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A little blue Loctite won't hurt. Helps with vibration
Old 03-11-2019, 06:26 AM
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Originally Posted by Burken01
A little blue Loctite won't hurt. Helps with vibration
Agreed just wasnt sure on a ls2 block. The front and midplate bolts and the bellhousing borla were the 2 big areas I was worried about.
Old 03-11-2019, 09:06 AM
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I use nothing. The only thing i use loctite on is transmission bell housing (not to the block, from the bellhousing to the trans). I just confirmed this with one of my shop technicians. He said on honda engines, honda states do not use grease or anti seize on any fastener unless stated. Which is only spark plugs to my knowledge. He said he uses loctite on the water pump bolts. Like I said tho, I use nothing.
Old 03-11-2019, 11:31 AM
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Nothing.

Use a good calibrated torque wrench. You want to use the OEM coated GM bolts whenever possible as steel and aluminum dont like touching each other.
Old 03-26-2019, 07:14 PM
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Honestly I would use a touch of oil and ya them right. If I’m using a bolt like an arm they usually have some oil on them out of the package, if using a stock type bolt a would put a little oil on a rag and just touch the bolt on the wet rag before threading in, tq to spec.

if I have a problem with something loosening I’ll blue 243 loctite it, but generally speaking it’s not an issue.




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