Logo
FULL SITE MENU

318 or 340

G

greghost

New member
"Trying to idenify what motor

"Trying to idenify what motor is in boat.The #s on the block are as follows 8 or 9 418496/8860.Any help would be appreciated,there is no id tag anywhere on this motor it is in a 74 silverton."
 
My engine manual says 3418496

My engine manual says 3418496 = '71-'74 360 ci

yes that is a 3

check on the front left of the block just under the head for displacement #
 
"Thanks dave,on the block belo

"Thanks dave,on the block below the head on the right hand bank(facing flywheel there is a 0 R 1.The 0 is much larger than the R1.Thanks again."
 
"Sorry Bob,
That would be t

"Sorry Bob,
That would be the water pump end not flywheel. So it would be outside the #1 cylinder."
 
"sorry Dave,But the # is on th

"sorry Dave,But the # is on the right hand side of the motor facing the flywheel.It's not on the end with the water pump.Another poster on a different site said that if it is a (3rd party block he wouldnt have any idea what it is?These are not the original blocks as far as I know.Thanks for your input.any additional info on this subject would be greatly appreciated.These are supposed to be marine blocks maybe that has some thing to do with the placement of the casting #'s.There are no #"s on the front of the block by the deck,either side"
 
"side of block just just infro

"side of block just just infront of starter should say 318, 340, 360, also the 360 are external ballanced will have the front dampener with a big ballance weight, or a cut out, 318, and 340 have no ballancing. My 340 said "340 M" under intake"
 
"I have a problem with a leak

"I have a problem with a leak in one of my Volvo Penta outdrive lift pistons. Mechanic says to replace the piston, you have to remove the inboard motor( $ 2,000). Is there anyway to service or"retrofit" a new seal from the outside?"
 
Back
Top