CoilGun Upgrade

Hello!
I have the coilgun circuit in the picture below, I want to replace the 250v 700uF capacitor with a 400v 1000uF question is do I need to upgrade any other components ? Thanks.

**broken link removed**upload images free

ETO has elected not to host discussions regarding high energy projectile devices, however small, as the information provided here could still be applied to more dangerous versions. For this reason this thread is now closed to protect the safety of the members and other readers. Perhaps you could try a website like 4hv.org, which is more willing to work with you on projects such as this.

Best,
Matt