Originally Posted by DRfrank
He said if i wasnt going FI (ie... no boost)
and i think that the gsr head can achieve higher compression... that the ITR head lost compression but gained it back using higher compression pistons.... i think..
No... he said
Are you going FI? If so, all this garbage about ITB is useless to you
and no, the GSR head doesn't make more compression then the ITR head vs. head.