if he was on the stock 96-98 4v intake mani I'd agree with you that he's under 330 wheel
however with a different intake mani, ported heads, high comp pistons, and revvin' it to the moon 400 wheel is possible, but you would've been able to tell because it would have a beefy idle
however with a different intake mani, ported heads, high comp pistons, and revvin' it to the moon 400 wheel is possible, but you would've been able to tell because it would have a beefy idle