Temp gauge

[ONE BAD EXCURSION]

My gauges will be here tomorrow. I need to buy the tap and drill bit on my way home from work. I will install the pyro probe in the drive side manifold. I need to know what size tap and drill bit I will need.

[Lord Tauk]

Letter Q Drill will work (.332")

1/8 NPT tap.

[CSIPSD]

What he said... But the bit size I just find one that is smaller and run with it. Never let me down yet.

[ONE BAD EXCURSION]

Do you guys have any tips. What type of drill bit should it be a harden bit location of the pyro probe in the manifold.

[CSIPSD]

Originally Posted by ONE BAD EXCURSION

Do you guys have any tips. What type of drill bit should it be a harden bit location of the pyro probe in the manifold.

Drill with what ever bit you have. Hell I have used a unibit before (steped bit). Drill, tap, and install. Dont grease the bit, dont step from one size up, dont vac the hole, dont use a magnet... Drill, tap and install. DONE.

I have done 20+ pyros and never once had an issue.

[Marty]

Agree'd ^

I haven't done 20 but I've done quite a few.

Drill a pilot hole.

Drill with the bit you need.

Tap it.

Install it.

Start it.

[jo4450]

you dont think there is a need to get the rest of the metel shavings out?

[ONE BAD EXCURSION]

Thanks for the help guys.

[CSIPSD]

Originally Posted by jo4450

you don't think there is a need to get the rest of the metel shavings out?

There are several different ways to look at this...

1. You are drilling up, ask yourself, have you ever seen anything fall up? Nor have I

2. The turbo is designed to see temps of over 1200 on a regular basis, do you think some small cast iron (read soft) shavings are going to hurt it moving thru at idle speeds?

The point is, your drilling up, and if you drill once and only once then 99.9% of the shavings will fall in your eyes, down your shirt and into your nose (those hurt A LOT!). Anything that does defi gravity and fall up will blow right past the exhaust wheel at idle and out the tail pipe.

No disrespect meant if any is taken.

[Captain Starbucks]

Do these go upstream or downstream of the turbo?