philo426 Posted June 30, 2014 Share Posted June 30, 2014 (edited) I tried to drill out the dizzy on the 426 Hemi of my MPC '69 Daytona project.no dice!Arggh!What to do?So I found a cylindrical sprue of the correct diameter and put the micro drill in my 18 Volt cordless drill.(could not use the Dremel ,because even at its lowest speed it still melted the plastic and messed it up)I used an ultra fine Sharpie to mark the locations of the plug and coil holes and used my finest scriber to indent the plastic so that drill would not walk. Drilled the holes just fine but the cylinder had to be tapered down to fit the pin on the water pump/intake manifold .i decided to drill a whole in the bottom to accept a screw type mandrel and placed the mandrel and dizzy into the Dremel.I held a flat needle file against the dizzy blank and was able to turn it down to a usable diameter.It does not resemble a factory dizzy but does resemble the type used on modern street rods and dragsters.A cool solution to a thorny problem and I did not have to order a pre wired dizzy and have to wait! Edited June 30, 2014 by philo426 Quote Link to comment Share on other sites More sharing options...
kitbash1 Posted June 30, 2014 Share Posted June 30, 2014 (edited) Never use a dremel to drill out the distributor. I always use a pin-vice to do this, very slow speed and no heat to melt plastic. Edited June 30, 2014 by kitbash1 Quote Link to comment Share on other sites More sharing options...
philo426 Posted June 30, 2014 Author Share Posted June 30, 2014 Yep!The cordless worked well. Quote Link to comment Share on other sites More sharing options...
blunc Posted June 30, 2014 Share Posted June 30, 2014 interesting solution, glad it turned out for you. I too still use a pin vise for smaller precision work (and doing 1/32 scale it's all small precision work), less chance for me to make the plastic unusable. Quote Link to comment Share on other sites More sharing options...
GLMFAA1 Posted June 30, 2014 Share Posted June 30, 2014 Have been a pin vise user for years, Just got the MicroMart that has a spriral system that works super #60348 which is on sale now Learned my lesson very early with Dremel, How did you chick up a small drill bit in the Dremel? Quote Link to comment Share on other sites More sharing options...
philo426 Posted June 30, 2014 Author Share Posted June 30, 2014 Well I have a keyless chuck in my Dremel that can take some microdrills but not all.The cordless drill accepts all but the tiniest micro bits. Quote Link to comment Share on other sites More sharing options...
High octane Posted June 30, 2014 Share Posted June 30, 2014 I've been usin' pre- wired distributors and magnetos for years and it seems to work great for me. I don't mind workin' on a model car kit, but when I can take a "shortcut" I'll take it. Quote Link to comment Share on other sites More sharing options...
philo426 Posted June 30, 2014 Author Share Posted June 30, 2014 Yeah but it was Sunday night and all of the hobby shops were closed.Worked out well so I am happy! Quote Link to comment Share on other sites More sharing options...
philo426 Posted June 30, 2014 Author Share Posted June 30, 2014 The Hemi is looking cool! Quote Link to comment Share on other sites More sharing options...
ZTony8 Posted July 2, 2014 Share Posted July 2, 2014 I always marvel at the builders who can drill 6 or 8 holes(plus the coil wire hole) in one of those kit caps.I've tried the pin vise method and all I succeed in doing is drilling several crooked holes in the cap and never have enough space to make all the required holes. Quote Link to comment Share on other sites More sharing options...
blunc Posted July 3, 2014 Share Posted July 3, 2014 you can do it Tony, try starting with smaller drill bits. I don't always have perfect placement but after the wires are in and arranged it really isn't noticeable in most cases. Quote Link to comment Share on other sites More sharing options...
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