liljojo4711

http://dallas.craigslist.org/mdf/pts/1348500043.html

what would cause a burnt valve? is it worth the $100 and the risk?

Mustang_NTriangle

If you need new internals it would be an expensive repair. You looking for a 5.4 or it does not matter. Reason I ask is that I have a stock 4.6 short block 2004 with only 23,000 miles on it. You will need heads and timing chains and you would be good to go.

PM me if you are interested.

Keith

liljojo4711

im looking to do a 5.4 swap. i was planning on gettin new internals anyway but i dont want to get the engine and find out the block got cracked or something. whats the worst that could be wrong with the engine after a burnt valve? i was planning on a .02 over bore anyway... maybe just some machining to square everything up?

fisher2985

should be ok. i've seen several 5.4's come in with a cylinder misfire, low comression on one cylinder. almost always turns out to be a burned valve. but since u have to remove the engine to get the heads off, most customers will replace with a used engine. (probably what this guy did) they are also bad for stripping out the spark plug holes. (not enough material at the spark plug seat)
hell u can sell it for more than $100 in scrap metal though.

liljojo4711

ok, well i think im gonna tell my mom to get it for me for my bday and ill go from there. atleast i will have a block and crank out of the deal. any other thoughts?

Mustang_NTriangle

Are you looking for forge it? If so, you are better off just buying a built 5.4 short block then paying for machining and blue printing motor.

HaneyMotorsport.Com

99' 5.4 should have a forged crank! Later years, Ford used cast and forged....Lightnings of course have forged cranks. Regular F150, Exped, etc. could have got either one.

Casey

liljojo4711

i dont want to just buy a motor, i want to build it

im pretty sure its not forged, its from a 99 expedition but that would be nice.

so it looks like im gonna buy it if no one says there could be major damage to the block...