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No, there is NOT 100 psi there. Very little pressure actually, just crankcase blowby pressure. See the 2 holes in the back of the cam brg? That allows the oil to flow back into the pan so there is no pressure build up. Dan, Are you sure the leak was from the cam plug? Sil should have sealed it...

Virg, Good work! None of what you have reported is news to me, as I have been doing this for decades. The only thing that varies is the actual numbers slightly, irrespective of name is on the valve covers.....

Nope. If I turn the dist to retard the ign timing, the engine runs hotter. Same engine, same cooling system. Engine is now inefficient, same as when you lower the comp ratio.

I doubt the the current is dropping off with rpm rise. I suspect the measuring equipment is not fast enough to record it in the shorter time span.

The coil &.....the bal res....when used with inductive ign [ which is HEI & Chrys & many others ]. Think of the module, ECU as an electronic switch. If the coil you are using is designed to be used with a bal res, then it must be used.

Get a new cam..& find some factory lifters, have them re-faced & use with the new cam.

Nice try...

Keep the trips down to 29 min....... This sounds like fuel. If your dist uses a mag trigger, the symptoms listed do not tally with the p/up being the problem. What is a 'regular coil'? If you mean stock, it requires the 0.5ohm bal res even when used with the MSD dist [ is it the Ready to run...

The way I read the instructions, the F/thrower III coil should work with the HEI module. HEI has adaptive dwell AND current limiting [ internal ]. The MSD #8225 coil is the direct replacement in-cap coil for HEI & has a 0.31 ohm pri resistance, fractionally less than the III. Plug gap should be...

Post #43. Higher compression on it's own reduces heat. The a/f mixture takes longer to burn with low compression engines, so the surrounding metal absorbs more heat during the combustion process.

Use standard bolts with Loctite.... The nylon insert was to stop the bolt loosening......but it also weakened the bolt because now it has a hole drilled through it....

Pre-load has nothing to do with lifter tick, provided the prod seat in the lifter has some clearance from the circlip.

I think it would be hard to tell if the trans has a shift kit. There are a few different brands of SKs, so where to start...

Leaking float, can be just one. Float binding on side wall. Excessive fuel pressure, over 10 psi. Sticking n/seat. It may only be one side of the carb that has the problem, but the carb has a transfer passage at the rear that allows fuel transfer.

Runner 68. Thanks for the link. The link [ or their website ] does not explain how they can get high rpm multi spark in a 4 pin module. [ Read post #35 ].

RJ, You need to make sure your E coil is usable with inductive ign. See post #46.

Bob, Where did I say HEI was infallible???????????????????????????????

Bob, Go back to sleep. The MSD # 8207coil is an E core designed for inductive ign, has a 0.355 ohm pri rersistance. The MSD # 8251 is also an E core coil, but designed for CD has a 0.04 ohm pri res.

I think any seats [ inserts ] you get today would be hardened, if that is the question.

Nope, I doubt rad will need to be removed. Shove some thin wood or cardboard between the rad core & fan to prevent core damage. Loosen fan bolts 3 turns. Hit spacer with plastic hammer or block of wood to loosen it. Remove bolts & lift out fan & spacer as an assy.