I found for fuel economy the 9901 pipe is the go
I get 11 mins driving smooth
Pushing hard i only get 8.5 mins I'm trying to get a medium were I can push and get 10

Would that pipe have still have plenty of power up top?

Try the 6 venturi with the werks 2058 pipe and header. I tested it against the 9901 and the 2096 with the 41021 header. the werks got about 1 extra minute of runtime and there was no comparison on the top end. It screams with 2058. It honestly sounds like a different motor. Try it, You won't be disappointed.

Yes, it should. Drake and others use the 41021/9901 combo. If you still want more top end you can try the 41019 header but normally you don't need it.

what is the bonitos fuel economy like in a buggy?

and how does the keepoff 21-4 compair to the P5? is it as fast?

Hey guys got a quick one for you

If your motor lean bogs from idle arfter 10 min on track you richen the top witch I've always done but then I lose my 11 min run time

So if I richen the bottom instead will this stall it when I give it a mouth full of gas
I've got a good speed now but only doing 8.5 fuel stops in buggy in a full legal set up buggy
?

How much fuel is left in the tank when it starts lean bog? Could be the tank does not have enough fuel pressure.

This is interesting, do you mean 2058 with Werks header? Which Werks header? Thanks

id say last third of a tank how would I increase the pressure ?

if this is the case

Check tank and fuel lines for leaks. Maybe try shorter pressure line or fuel line. My old rc8 was doing that and it was the tank.

The one it comes with.

Not really a issue like that I wouldn't not think
As I richen it up 2 hrs on top it goes away but my economy goes down too only if I push hard though

yes. I use the werks header that came with the 2058 pipe.

Thanks...

Fuel mileage usually comes from the bottom end needle. You are more than likely lean on the top and fat on the bottom and the idle gap is too wide. It may appear to be pinging when you bring it in but it is just the idle raising from being to rich on the bottom and large idle gap. Next time when you bring it in lean the bottom and adjust idle. You may need to richen the top end needle.

I usually run my engines slightly lean on bottom and slightly rich on the top end.

It should never lean bog though.