ralph11sec

so i made 340 @ 1bar @ pumpgas with gt30

spun a bearing. now the motor is apart.

since im building it all over again. (aside from the new rod) im thinking of going 1mm oversize on intake valves. any negative point from that?

anyone? inputs? what valves? where to get them cheap? thanks!


also, i noticed my eagle rods doesnt have the oil squirter on the side of the beam like the stock ones have. why is that?

same ol Steve

sivalves.com

HiProfile

Unless you have a valve job done, there will be very little improvement. The valve seats will have to be cut for the larger valves.

The eagles don't have the hole because with the pistons they assume you'll be running - forged - require less cooling and less lube due to the properties of the forged metal and extra piston/wall clearances, respectively.

ralph11sec

oh okay. thanks.

is 1mm too big? or .5mm?

yes we will do valve seat job of course.

should i change exhaust valves to oversize as well?

zex_cool

anything to help the SOHC head flow better is "worth" it. taken you do what ^^he^^ said.

supertech has them and i seen them go for around 250 new.