thank you all,i mean it.
i´m pretty sure that the problem is the lack of experience from myself in this digital domain.
Here it´s what i´m doing :
imput selected :guitar.
3 empty bloks,then a delay and a reverb.
in the very begining of the signal chain(empty block) i can select sends,return or loop 1-4.
Choose loops 1 and connetct the 808 .
the options are:send(db) return(db) Mix and Trails.
In either position of the mix i can avoid the strainght clean signal of the guitar.