Thursday, January 31st, 2008 AT 6:37 PM
87 chevy V-10, 350 with granny four speed, at 3000 rpm I get heavy valve rattle, if I push through it, it goes away around 3500 rpm, when I back off and then get in it again it starts again at 3000 rpm and the engine light comes on and it runs better than ever, can you help?
