Pyrometer Install (help)
Senior User
Joined: Oct 2006
Posts: 332
Likes: 0
From: Emmett, ID
X4 (or is it X5) Drill straight up and down, step up your bit size, vacuum, magnet, vacuum. YOU WILL be surprised when you put the magnet in the hole and find shavings, play it safe... your turbo isn't cheap.
Elder User
Joined: Apr 2008
Posts: 511
Likes: 2
All these different ideas on how to do this: drill one hole, drill multiple holes stepping up, use grease, use no grease, vacuum/don't vacuum......have ANY of you every experienced a turbo problem after your method? Assuming not, that supports the theory that there are several different ways to accomplish this feat without damaging the turbo 
Senior User
Joined: Oct 2006
Posts: 332
Likes: 0
From: Emmett, ID
All these different ideas on how to do this: drill one hole, drill multiple holes stepping up, use grease, use no grease, vacuum/don't vacuum......have ANY of you every experienced a turbo problem after your method? Assuming not, that supports the theory that there are several different ways to accomplish this feat without damaging the turbo
The point is to minimize the risk of damage, do it how you want, it's your money...
Posting Guru
Joined: Aug 2004
Posts: 2,417
Likes: 4
From: Braham MN
Turbos are ALOT tougher then most people think.
progressivly drill out the hole, use grease on EVERY BIT, I took a small angled seal pick and picked out the large grease chuncks that were in the manifold after I tapped it. fired it up and its done.
Done 6 PSD's, one dirtmax, and a few 3406 cats and everyone of them is still on the road with a good turbo. you could prolly throw potatos into your exhaust and your turbo would live. there tough sobs.
progressivly drill out the hole, use grease on EVERY BIT, I took a small angled seal pick and picked out the large grease chuncks that were in the manifold after I tapped it. fired it up and its done.
Done 6 PSD's, one dirtmax, and a few 3406 cats and everyone of them is still on the road with a good turbo. you could prolly throw potatos into your exhaust and your turbo would live. there tough sobs.
Posting Guru
Joined: Sep 2004
Posts: 1,096
Likes: 2
From: Ohio
I dont like using progreesive holes for one reason. After you punch thru with the first bit anything that falls ot the side has a possibility of getting stuck in oil residue. I center punch a hole, start with a small bit just to get a REAL good piolit point, then switch to the specified size. The key to this method is to have GOOD bits. Not the mickey mouse walmart bits that dull and create dust. I am talking bits that can cut shavings. This helps. There are many ways, this is just mine. I always use cutting oil all the way to the end, then coat with grease to ensure a good grip on the little junk. Same way with tap. Hope this helps, as there is a thousand ways to skin this cat.......
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Elder User
Joined: Sep 2003
Posts: 892
Likes: 3
From: Quinton NJ
X6? not sure but quality of thread improves when theres cutting oil applied to the tap. ever use a tap/die without oil? itll booger up your threads. (Im a union pipefitter they yell at us if we cut without enough oil 
) theres a reason why they sell "cutting oil" and remember, were dealing with the exhaust side, not the compressor side... some dust wont hurt.. good luck with your pyro install!!
) theres a reason why they sell "cutting oil" and remember, were dealing with the exhaust side, not the compressor side... some dust wont hurt.. good luck with your pyro install!!
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