yea JG sucks ass
my buddy had a block built by them too and it was "garenteed to 40psi of boost
it cracked between the 2nd and 3rd cylenders on the secound week at 5psi
hes trying to get involved w/ a clash action against them, and his block is supposed to be back from golden eagle this week all repaired and resleaved but hes still out like $2000
and he had the same probolems w/ them as far as customer ervice goes, they wont return or even awnser the phone oe e-mails