i have exact same truck and exact same question lol x2 on ur post
and they barely fit in standing straight up i just used regular case but used wood to hold in.... hope u find out man
lol.
i just hope this doesnt happen in the comp.
i think my alt might be goin bad though cuz i am seein 14.2 volts sometimes and a lot of the times only 14.1 at 2k rpm