HELP tuning BLACKJACK FOR DASA 771 ?

[meucarango]

FRIENDS, PLEASE. WHAT IS THE SETUP (SETTING) , DUAL BLACK JACK 46 CARBURETORS FOR A 771 DASA?

MAIN JET
PILOT JET
SPRING
VALVE
POPOFF
TURN H
TURN L

 

[afraz1er]

Might get ya close

Sent from my SM-S767VL using Tapatalk

 

[TheBuzzard]

135 pilot 120 main and whatever seat and spring is what I'd throw at it, but it's still going to need to be test ridden and taken off multiple times to get it right. By the looks of your request with screw turns, you want somebody to arm chair perfectly tune it for you.

 

[meucarango]

135 pilot 120 main y cualquier asiento y resorte es lo que le arrojaría, pero aún será necesario probarlo y quitarlo varias veces para hacerlo bien. Por el aspecto de su solicitud con giros de tornillo, quiere que alguien en el sillón lo sintonice perfectamente para usted.

Ok ,its important popoff

 

[meucarango]

Podría acercarte View attachment 410169View attachment 410170View attachment 410171

Enviado desde mi SM-S767VL usando Tapatalk

Gracias, perdigones es similar a blackjack

 

[TheBuzzard]

Ok ,its important popoff

Pop off is not important. The higher the pop off, the bigger the pilot jet needs to be and then the opposite

 

[RiverRides]

Have a set of BJ 48's I'm running in a small dasa.
Just guessing on a starting point would be 125 low, 135 high, and a pop off around 22. What spring you will need to get that pop off depends on your NS size, my carbs seem to like a higher pop off pressure.
Write or call Art if u can get him to respond he'll sell u a rebuild kit and the jetting you'll need for a good starting point.

 

[meucarango]

Tenga un juego de BJ 48 que estoy ejecutando en un pequeño dasa.
Solo adivinar un punto de partida sería 125 bajo, 135 alto y un pop off alrededor de 22. El resorte que necesitará para quitar ese pop depende de su tamaño NS, parece que a mis carbohidratos les gusta una presión de pop off más alta.
Escribe o llama a Art si consigues que te responda, te venderá un kit de reconstrucción y el jetting que necesitarás para un buen punto de partida.

Ok interesante

 

[mthomps]

Write or call Art if u can get him to respond he'll sell u...

If he responds buy a lottery ticket

 

[mthomps]

Its funny but its not.

 

[meucarango]

Sr ART donde esta ????

 

[Big Kahuna]

My setup for a 61x 735cc Ported
Low 127.5
High 107.5
2.0
115 Gram 26psi

Contacted Art 2 weeks later when I got this DASA and here was his suggestion.

Setup for DASA 820 6mm Non PV
Low 127.5
High 127.5
2.0
115 Gram 26psi

He was spot on.