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![]() Join Date: Oct 2012
Location: here
Posts: 2,408
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John Lee's HEI Swap for an I6, Factory GM Dizzy (The Install)
Lets see, can't account for girlie stuff like wifie callin at 4 pm and meet me for dinner, so did my duty, ate dinner and then went to the garage! First, pulled #1 plug and watched the piston come up, stopped rotation at 10 degrees before TDC as this is the static timeing I want to start with. Marked the 10 degree setting on the tab, I just love silver Sharpies! I also marked the factory 4 degrees, but 10 is right there with the Big A for advance.
![]() Yank the cap, yep, rotor pointin at tower/wire number one so this is the compression stroke for cylinder 1 and I am exactly 10 degrees before Top Dead Center...don't need a rag to blow out of the plug hole or a finger on the hole to feel the air, just look at where the rotor is pointin...keep it easy. ![]() Heres the old AC plugs, running fine and the piston top is not burned, just a nice light greybrown.... ![]() New hotter Champion Plug on the left as recommended by Mr. Langdon at Stovebolt. ![]() I gap the new plugs at a strong 45 thousands. Mr. Langdon says ya can go to 60 thou. ![]() New plugs in and old antique coil is out. ![]() Plug the dizzy hole after yankin it and scrape off the old rotted dizzy base gasket. ![]() New and old Dizzies on the bench. I greased the dizzy hole, the new dizzy gear and back to my old school ways, cut a new dizzy base gasket from felpro stock. No sense payin $3 for one I can make from a nickles worth of gasket stock. ![]() |
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