head temps 98 j150elecd

tendollar

Seaman
Joined
Jul 17, 2009
Messages
53
installed new impeller today, idleing in a tub i checked temp on heads with gun, port heads were 112-112-118, starboard, 142-146-150 is it normal for the ports to idle cooler?
 

clanton

Rear Admiral
Joined
Jul 9, 2001
Messages
4,876
Re: head temps 98 j150elecd

At 900 rpms 140+- 15 degrees. At 5000 rpms no more then 160 degrees. Both cylinder heads.
 

marinemech1

Chief Petty Officer
Joined
Mar 26, 2005
Messages
623
Re: head temps 98 j150elecd

heads should be within 10 degrees f make sure all cylinders are firing check\replace thermostat.
Wayne
 

marinemech1

Chief Petty Officer
Joined
Mar 26, 2005
Messages
623
Re: head temps 98 j150elecd

make sure all 6 cylinders are running as well.
Wayne
 
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