SoCal Jet Boats

Tech Talk => Engine Mechanical / Electrical => Topic started by: 79charger on April 18, 2011, 07:44:29 PM

Title: crack in exhaust logs???
Post by: 79charger on April 18, 2011, 07:44:29 PM

I have a hairline crack in my Harman Exhaust logs on the bottom . A little water drips from it , nothing to serious yet , was wondering Could i have some heli-arc a bead over it .... I pressure checked the inside and no cracks inside . How thick is it till the water jacket ?Thanks

Title: Re: crack in exhaust logs???
Post by: SuperDuty on April 18, 2011, 08:21:45 PM

I didnt properly drain my logs on my old flat last season and one cracked from the cold. Had a local guy TIG em up for me and never had any problems. Just makes em a little ugly if you can see the repair.

Title: Re: crack in exhaust logs???
Post by: 79charger on April 18, 2011, 08:33:23 PM

no its under them..... it took me to get under the motor while it was running to find my leak lol

Title: Re: crack in exhaust logs???
Post by: Wayne Zighter on April 18, 2011, 09:11:14 PM

you might get a little warping dependin how how long the crack is, a trip to the machineshop will easily fix that

Title: Re: crack in exhaust logs???
Post by: IRRebel on April 18, 2011, 11:34:36 PM

What engine you got? might have a set of replacements here, you pay the ride.

JUst don't let it happen again....... >:D

Ray

Title: Re: crack in exhaust logs???
Post by: SS-201 on April 19, 2011, 01:46:28 AM

JB Weld will work just fine

Title: Re: crack in exhaust logs???
Post by: 79charger on April 19, 2011, 08:38:00 PM

Had them welded today , came out good , but man these must be casted from china ... alot of crap in the casting