Compression on CA

OldMoIron · Aug 11, 2012

How much compression would i get with the 3 7/16 engine rebuild kit from Tisco, or other brands on my CA

old · Aug 11, 2012

The compression will be about the same as with the factory sleeves and pistons you just are getting a few more cubic inches of engine so the HP will go up a little bit

Dick L · Aug 12, 2012

It will be in the 100 pound range. To many variables to give sure fired answer. To bring the compression up to a larger degree you will need to make the firing chamber smaller.
You can get there in two ways or both. You can get .200 off the head and use a domed piston to enter the firing chamber.

I did both to my pulling B and C.

OldMoIron · Aug 12, 2012

I have been looking for doomed pistons and not having much luck, could you point me in good direction, got the head work figured out. thanks

Dick L · Aug 12, 2012

The only domed pistons you will find for this engine will have to be a special order from the hot rod custom piston manufactures or having a machine shop TIG and machine them to fit your application. Both are costly.
I did my own having a tool shop with the equipment.

Compression on CA

OldMoIron

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old

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Dick L

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OldMoIron

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Dick L

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