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  • 3900 info

    i am looking at building a 3500 for the turbo beretta but im thinking the 3900 non vvt would be a better idea.. my questions are what am i looking at as far as the swap goes? id reuse anything and everything from my 3400 swap to get the 3900 to work.. has anyone got pictures of the 3900? would my injector rail and injectors fit? what about bolting my fidanza to it? does the 3900 have a forged crank like the 3500? does anyone know anything that would help? whats deck hieght on a 3900?
    1996 beretta w/a 04' 3400 3.5 top end, 42.5lb hr, 180*thermo, t3t4 .63ar 60 trim, LC1 WB, FMIC, greddy rs BOV,TIAL 38mm wastegate,791xv,fidanza,stage III clutch,TG LSD,ffp udp,walbro 255 lph,strut tower brace,22 rear sway,30 front sway,92 5sp tranny,92 subframes,all solid mounts,kyb shocks and struts,eibachs,battery in trunk,tgp map sensor,DHP Powrtuner,euro front and rear and more to come soon...mods sitting in boxes waiting install....zo4 kit,GTU wing,and more..

  • #2
    You can not successfully mate non vvt engine intake systems to the 3900 properly, the cranks and rods can be interchanged to some degree between the 3900 and non VVT 3500 and possibly the late model 3400 if it has large journals but that's about it.

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