Originally Posted by
JeredR
jp4 pipe,alumium shoes,1.0 springs(i tried to put 1.2 springs but couldn't get them on)I know this pipe is 4 mid to high rpm,its just the pipe i had and didn't want to send extra on pipe.
Are the shoes hard aluminum, 7075? You can also go with a taller spur gear, lighter diff oils, change pipes, what fuel Nitro content are you using? There's a ton of things you can do, nothing that will be free, so, its up to you how you want To get there.