LM7 = iron block 5.3 LM4/L33 = aluminum block 5.3 am i right

[ma.racing]

its an off rd y pipe and it was a roller cam and i think it was around 9:10 not shur tho and and as for why go l33 well its not much lighter but just kinda and its way way cheaper and ezer to find and your not bothering me bro thats y im on this form to answer and ask ?S

[blazedchevy]

its an off rd y pipe and it was a roller cam and i think it was around 9:10 not shur tho and and as for why go l33 well its not much lighter but just kinda and its way way cheaper and ezer to find and your not bothering me bro thats y im on this form to answer and ask ?S

well i a appreciate that,cool your truck looks good i like that color on it,what motor you doing now for your truck