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Re: How do I locate the 360 flywheel drilling?
[Re: Phoenix]
#3206960
01/21/24 06:59 PM
01/21/24 06:59 PM
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Joined: Jan 2003
Posts: 4,270
Morrow, OH
markz528
master
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master
Joined: Jan 2003
Posts: 4,270
Morrow, OH
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-All I know is that over 40 years ago my buddy needed them drilled. Opened the Mopar book to the page with the drawing and showed my Dad. He drilled them (probably on a Jig Borer) and all was good..........
67 Coronet 500 9.610 @ 139.20 mph
67 Coronet 500 (street car) 14.82 @ 94 mph
69 GTX (clone) - build in progress......
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Re: How do I locate the 360 flywheel drilling?
[Re: B1MAXX]
#3207021
01/21/24 09:59 PM
01/21/24 09:59 PM
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Joined: May 2006
Posts: 1,754
Phila
PhillyRag
top fuel
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top fuel
Joined: May 2006
Posts: 1,754
Phila
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I have to laugh, all these variables and you guys are worried about the angle of the bit......  It really does matter if you're drilling brass/alum/wood or metal. Most off-the-shelf bits are general purpose. Angle is to steep for most metals.
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Re: How do I locate the 360 flywheel drilling?
[Re: Phoenix]
#3207075
01/22/24 04:26 AM
01/22/24 04:26 AM
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Joined: Aug 2003
Posts: 43,173
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,173
Bend,OR USA
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Last edited by Cab_Burge; 01/22/24 04:27 AM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: How do I locate the 360 flywheel drilling?
[Re: Phoenix]
#3207085
01/22/24 08:36 AM
01/22/24 08:36 AM
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Joined: May 2005
Posts: 1,980
Apollo, PA.
B1MAXX
top fuel
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top fuel
Joined: May 2005
Posts: 1,980
Apollo, PA.
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Originally posted by B1MAXX
just drill the holes, some of those engines would rattle your fillings out from new.
They were never a precision balance. That's fine... Now I know that if I do the best job I can it will be all that's needed. And I intend doing the best job I can. Just reading up on the drill tip angles, it would seem to me very likely that the 135° angle is the one. All the stuff I read suggests that the 118° drill is most efficient in 'soft metals' and cites aluminium as the standard there while the 135° drills come into play in harder metals. And while it would be nice to know just to be more correct, it's also good to know that my tooth fillings are likely to stay in as I cruise the B350 at 2,500rpm. This discussion has pretty much forced me to add an avatar to my membership here... here's the full picture which really identifies that it's important for me to get things right as I work on this van: Nice
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Re: How do I locate the 360 flywheel drilling?
[Re: B1MAXX]
#3207091
01/22/24 09:03 AM
01/22/24 09:03 AM
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Joined: Feb 2006
Posts: 1,051
The Great White North
RAMM
super stock
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super stock
Joined: Feb 2006
Posts: 1,051
The Great White North
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Originally posted by B1MAXX
just drill the holes, some of those engines would rattle your fillings out from new.
They were never a precision balance. That's fine... Now I know that if I do the best job I can it will be all that's needed. And I intend doing the best job I can. Just reading up on the drill tip angles, it would seem to me very likely that the 135° angle is the one. All the stuff I read suggests that the 118° drill is most efficient in 'soft metals' and cites aluminium as the standard there while the 135° drills come into play in harder metals. And while it would be nice to know just to be more correct, it's also good to know that my tooth fillings are likely to stay in as I cruise the B350 at 2,500rpm. This discussion has pretty much forced me to add an avatar to my membership here... here's the full picture which really identifies that it's important for me to get things right as I work on this van: Nice Did this years ago.....worked out perfect... I still have the print. J.Rob [url=https://www.forabodiesonly.com/mopar/threads/making-sort-of-360-130-tooth-flywheel.192786/][/url]
Last edited by RAMM; 01/22/24 09:03 AM.
2009 PHR\EMC Competitor
2010 PHR\EMC Competitor
2011 PHR\EMC Competitor
2012 PHR\EMC Competitor
2013 PHR\EMC Competitor
2014 HotRod/EMC Competitor
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2016 HotRod/EMC 3rd place SPEC Bigblock
2018 HotRod/EMC 7th place G3
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