Help...
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Senior User
Joined: Jun 2006
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Help...
So I an installing my gauges and am down to tapping my manifold for the Pyro Thermocoupler. I can't get it started. 1/8 NPT. I am stupid.
Please give suggestions, it's 8:30 and I haven't even installed my DP-Tunner yet!
Thanks in Advance.
Please give suggestions, it's 8:30 and I haven't even installed my DP-Tunner yet!
Thanks in Advance.
Senior User
Joined: Sep 2005
Posts: 257
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From: Grafton , WV
If you have a countersink, you can chamfer the hole a little to make it easier to start, or if your careful you can use a bigger drill bit and just use it to countersink the hole a little, or drill the hole just a little bigger than it calls for, the tap is tapered so it will still thread. Hope this helps
Lead Driver
Joined: Oct 2004
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From: Columbia, MO
What size drill bit did you use? That tap calls for a rather odd size R bit. I ended up ordering one just for the pyro install. You might try just a little pressure on the tap as you're turning it to get it started. Once it's started, it should thread on in. Just be sure to turn it back 1/4 turn or so every time you give it 1/4 to 1/2 turn in. This will help clear shavings and make the cut cleaner.
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Thanks
I wil try using the counter sink. The location makes it kind of hard too. I just installed my chip. That only took a minute. Well, I hope this doesn't take all night.
Thanks for the advice.
Thanks for the advice.
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Senior User
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.339
Size R is .339 and I was using a 21/64 which is almost a full 1/32 smaller than R. I am going to try and find the bit today.
Did everyone use those retainers on their gauges. My gauges don't want to sit flush with those things on.
Did everyone use those retainers on their gauges. My gauges don't want to sit flush with those things on.
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Not a liberal...
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From: Cut & Shoot, Texas
If you can't find an "R" drill you can also use an 11/32" drill. Being a pipe tap it won't matter that it is a little over size.
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Cargo Master
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From: Eastern Washington
Originally Posted by shenders99
Did everyone use those retainers on their gauges. My gauges don't want to sit flush with those things on.
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Senior User
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Perhaps a Fix
I stopped by a Tool Shop today and got a size R bit and a new 1/8" NPT tap. I will tell, my old tap was so stripped down it's not even funny. I have not doubt this will take minutes.
As far as the shards go I have a crafty magnet and spent a lot of time making sure it was total clean.
For those of you who have installed these pyro's, how did you ensure you got it all out?
Thanks for the help, I'll let you know when I am done!
As far as the shards go I have a crafty magnet and spent a lot of time making sure it was total clean.
For those of you who have installed these pyro's, how did you ensure you got it all out?
Thanks for the help, I'll let you know when I am done!
Lead Driver
Joined: Oct 2004
Posts: 7,413
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From: Columbia, MO
To keep shavings to a minimum, I did several things. First, I used several different sizes of drill bits, stepping up in size to the R bit. That way, if there were any shavings, they would be small and less likely to cause damage. Second, when tapping, I turned in 1/2 turn, out 1/4-1/2 turn, in 1/4-1/2, out...., etc to help any shavings drop out. Third, I took a small flexible magnet in through the hole and all around the inside of the manifold. Finally, I took the shop vac to the hole and repeated the magnet procedure until no more shavings came out. Way overkill, but I tend to be a little overkill sometimes.
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Method
Well it is done now. Turns out my Tap was stripped and my 21/64 wasn't quite big enough.
Today I bought a new tap and R Bit.
I drilled with about 14 sizes to keep shavings to a minimum up to size R. Then with a new Tap it took 5 mins. I used a small magnet every so often to clean it out.
Everything works great now!
Today I bought a new tap and R Bit.
I drilled with about 14 sizes to keep shavings to a minimum up to size R. Then with a new Tap it took 5 mins. I used a small magnet every so often to clean it out.
Everything works great now!
