[VillageHooligan]

About to start replacing pistons on the '78 cone I picked up last fall. The old pistons are .020 over and have some scoring on the skirts and there is also slight scoring on the original cylinders. So I plan on buying Wiseco 10:1 .030 piston kit. I have done the same work on my '67 shovel (also .030 over orig jugs), but I had the jugs and new pistons matched at a shop then. This time I want to do it myself. Is this difficult? What is needed? A micrometer? Honing bit for drill press? Is a drill press even needed? Somebody please help out young grasshopper.

 

[vik morgan]

Among others, torque plates are a good idea to have. You'll have to indicate the cylinders before boring. Sounds a bit sketchy to me to do on a drill press.

 

[Guest]

Might be a good idea to farm that out to a shop that has the tooling...

By the time you buy the plates (Or make them) and a Dial Bore Gauge (One that reads in tenths, would be grand) and a Ridged Hone to move .010 of meat out of the bore with NO Taper or Out of Roundness ....Going to have a few Bucks into tooling........

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[VillageHooligan]

I was asking around and it seems like I would need some expensive equipment.

Just looked up this task on You Tube. Looks like a lathe is necessary among other tools.

 

[ralphiejantz]

There are a few different ways and tools to use to get the job done

but to be honest all the tooling is very very expensive
if your on Long Island and need a shop recommendation shoot me a pm
I just did a top end on my '60 ironhead and for a friends shovelhead

just a .10 over bore and hone is not expensive at all

shoot me a pm and I can help steer you in the right place if you dont have anyone in mind