Originally Posted by
rickbartlett
sum xr3i pistons are not flat top pistons.although i think efi xr3i pistons are flat top
efi 3i pistons arnt flat top . i have a set
can they be machined to run in turbo lump only reason i ask is i have a set and a efi turbo block if it can be done i could build up a tubby lump that way on small budget.
tony