best way to add cu. in. to 310 oliver gas

PCH

Member
Is it posssible to bore the existing sleeves to 4"? Looking to get the most horsepower and low end torque I can get.I want it to pull like nuts. Thanks
 

offset grind crank with early 77 rods... I have a set for $100... Find a off the shelf car piston of 4.00" -4.03" then bush down the wrist pin... Could end up with a 4" bore and 4.75" stroke reasonably, will have to take a little of cam...

Also have 4.125" pistons from a 320 that will work with the 77 rods, but will have to bore the block and put sleeves in... Might as well go bigger if you end up boring block...

I have a set of John Deere 404 sleeves.. Still have cross hatch in them... They are 4.25 but can be made bigger..... Once again have to bore block
 

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