im debating on either to build up my 5.3 or get an ls1 or lq9 for my 91 silverado. ishe running moving but she wont charge,she only stay at 11.5-12 or so..but any ways, since i have the lil 5.3 make it a high rmp screamer, or go bigger...it be kinda kool to c lil 5.3 beat up on them gt mustangs n pocket rocket honda civics....any opinions open to any thing wana stay n/a and nitrous