going bigger

I need to remove an exhaust manifold off my 454. Boat has twin 454's and of course it's the interior manifold. The bigger problem I am having right now is finding the correct size socket to remove the bolts. 1/2 in is too small and 9/16 is too big. 13mm too small and 14mm is too big.

Anyone have any suggestions or know the trick??

If it matters, boat is an 1989 Sonic 30 SS. Motors are twin 454 mags with Bravo 1 drives.

beaver 3

use 6 point sockets.

going bigger

I have tried 6 and 12 point sockets

mike tkach

iTrader: (3)

the bolts are 9/16 heads,at least they were before the rust,as mentioned earlier 6 point socket will get them out .

going bigger

okay then, i will keep at it

thanks guys

motor

iTrader: (3)

Try a metric 6 point that almost fits ,Or if the 1/2 almost fits.. hammer it onto bolt head. Sacrifice the socket if necessary

MACDAD260

Google Twist Sockets.

Black Baja

iTrader: (2)

Turbo sockets

phragle

iTrader: (3)

1/2 is roughly 13, 9/16 roughly 14mm. I have crapsman stripped bolt removers that grab anything.....

92nsx

1/2"=12.7 mm=.5000"

9/16"=14.28 mm=.5625"