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Thread: Which tap type is best??
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09-21-2010 #1
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Which tap type is best??
I need to chase some threads inmy ladder bars. What is the best style/type of tap to use to clean up pre-existing threads???
67 Firebird Convert 455 +.060 Johnny Winters TH400 74cc KRE d-port flowed @ 310 cfm heads piston dished 16cc H-beam rods Comp Cam 305-AH-8 cam 108* LSA 253/260 @.050 duration .577/.594 lift w/1.65 rockers Ford 9" 3.55 Detroit Locker M/T Sportsman Radials 31x18x15 on Convo Pro 15x15s
Honest dad that 455 on the side of the block is a serial number
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09-21-2010 #2
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There are thread chasers. Summit sells a set.
Otherwise a plug tap would work just fine. I prefer HSS, high speed steel. OSG is a great name brand tap.My build thread: https://www.pro-touring.com/showthre...ing&highlight=
The mustang build thread: https://www.pro-touring.com/showthre...el)&highlight=
09-21-2010 #3
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Thanks.
Originally Posted by falcon65
67 Firebird Convert 455 +.060 Johnny Winters TH400 74cc KRE d-port flowed @ 310 cfm heads piston dished 16cc H-beam rods Comp Cam 305-AH-8 cam 108* LSA 253/260 @.050 duration .577/.594 lift w/1.65 rockers Ford 9" 3.55 Detroit Locker M/T Sportsman Radials 31x18x15 on Convo Pro 15x15s
Honest dad that 455 on the side of the block is a serial number
09-21-2010 #4
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You're welcome
My build thread: https://www.pro-touring.com/showthre...ing&highlight=
The mustang build thread: https://www.pro-touring.com/showthre...el)&highlight=
09-21-2010 #5
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Yes, as does Sears, if you want to run out and pick up a set. Thread chasers are better than taps for such jobs as they take out less material and affect the original threads the least. Originally Posted by Bryce
jpJohn Parsons
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09-21-2010 #6
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My main problem was finding a 3/4-16 tap. I have a nice set of craftsman taps but the larger sizes are tapered. I have a set of thread chasers but they only go to 9/16" and are course threaded. I was able to find a good HSS plug tap locally.
67 Firebird Convert 455 +.060 Johnny Winters TH400 74cc KRE d-port flowed @ 310 cfm heads piston dished 16cc H-beam rods Comp Cam 305-AH-8 cam 108* LSA 253/260 @.050 duration .577/.594 lift w/1.65 rockers Ford 9" 3.55 Detroit Locker M/T Sportsman Radials 31x18x15 on Convo Pro 15x15s
Honest dad that 455 on the side of the block is a serial number
09-27-2010 #7
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Find a good old fashion hardware store, or local induatrial store like Fastenall, and buy a regular tap in bottoming form.
Thread chasers have limited use in experience. I have had better luck with regular taps. Hanson, Irwin are a couple of typical brands found in stores. Lucky me I work in Bloomington Indiana and we still have an old fashion hardware store Called Kleindorfers, which actually I believe is an old local neighborhood grocery store. Or at least built that way.
But issue with bottoming tap is that they have limited use so if its open ended then buy a regualr tapers starting tap as it will be more useful.Lee Abel
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