you going to run headers..
bye bye budget..
for s_it's and giggle, start a journal, and list the cost as you go..
to give an idea.
my c-10 is a small block. I'm changine to big block
headers 580.oo (coated)
brackets and mounts 159.
front assor dress(brackets and alt/ps pump/ac compressor/ a/c lines/ power stear lines/ belts 1200.00 (remember your ls will not have us threads it be metric and the ps hose ends are different and you'll be paying for these to be made.. same with a/c hoses,
if you can connect to the exhaust under the car now.. say 40 bucks if you do the fitting/welding yourself
the custom coolant hoses
the electric fans
the fuel system..
please start a journal.. I'd love to see you come even at double your 1000.00 swap budget..
I've seen enough of these stuffed into g bodys to know what the cost really is like..
good luck tho..
wait till you get the sticker shock on the 02 senders cost..
oh, and plan on the oil pan not clearing, most go with the gto pan, and pick up