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tundrarules
#1 Posted : Tuesday, September 13, 2011 4:43:34 PM(UTC)
tundrarules

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Changed out stbd eng impeller a few months ago....looked ok so I wasn't in a hurry to change port Brick wall because it is a nightmare to get to....stalled a little too long and didn't quite make it to winter Not talking .

Port impeller disintegrated this past weekend.

Noticed muffler on the engine sounded louder the last couple of times out. Cranked engine and noticed a lot of steam/smoke coming from muffler. Engine climbed to 160* and climbing...shut it down. Pulled raw water pump. Pulled exhaust side water hose off salad/filter bowl, back flushed transmission cooler...pieces did come out even though the cooler is on the intake side of the pump.

Not sure if pieces went into the exhaust logs or not...I'm sure they did d'oh! ...but I'm not pulling logs unless I find hot spots with my nifty infrared temp gun (thanks Jeff)

Moral of this story...if the engine gets throaty with a little steam coming out..check water flow and change impeller if you haven't in a few years. Think


Anyone have more advice?



BigM
1985 Marinette 29 Sedan bridge
Twin 318s, 660 hours
New Edelbrock 1409 carbs (working like a charm)
Original Electronic Ignition, Blaster 2 coils, 90 deg plug wire universal kit cut to fit
Raw water system
Freshwater always
Located Pickwick Lake, TN,MS,AL

RETRO BOATS ARE COOL

If the guys on this forum take their time to help you, have the courtesy to update your thread with the resolution.
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karrakmc
#2 Posted : Monday, April 23, 2012 8:50:49 PM(UTC)
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Was down at Driftaway this last weekend and started engines for first time this year. Heard a noise and checked it out. Looks like the bearings on the pump with the impeller are giving out. Question is, can these be rebuilt and by whom. Or where can i find another one? Looking for any help. Mike on ohio. 76 Sedan with 360 Chryslers.
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Docsnow_2
#3 Posted : Tuesday, April 24, 2012 3:38:23 AM(UTC)
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Here’s another tip that might aide as in your case of a exploding impeller I’d check the exhaust hoses aft of the engines for interior collapse most of the exhaust hoses have been there since the BigM was built. Here’s a short synopsis of how I know of this well I blew a impeller ok changed it out cranked up engine headed out never got a 1/4 mile out gage pegged out shut eng.. down came back to port. Sure enough impeller blown apart. Thinking to myself U dumb A$$ U put the impeller in backwards $40 down the drain. Another $40 later making sure everything installed correctly + two days of prime time fishing lost, off I go BAM samo samo as above. So now I hire the best mechanic in Bay Port MI. a 80 year young gentle man FRED tears into it tells me U had the impeller in correctly puts it all together start up eng. ok that’ll B $300 not so fast Freddy lets take it for a sea trial gage pegs out again OH $hit. Come back to port pour Fred a glass of wine & have me a Brewski sitting there contemplating what’s wrong all of a sudden the old boy ask my wife for a old towel & her shower cap I’m thinking man I shouldn’t have gave him that wine he can’t hold his liquor now he’s stuffing the towel up the outer exhaust tube than puts the shower cap over it ? Fred tells me start taking the exhaust off from the eng. back. Inside the long hose sure as $hit there’s a huge glob of the interior hose plugging the hose. Back pressure was blowing the impellers. Replaced with S.S. tubing now U wantta hear a throaty 318 almost sound like a go
fast didn’t impress my dock neighbors much at 5 am when I crank them puppy’s up. Moral of the story check them hose once in a while especially if your eng. has over heated a time
or two. Or just because most are 25/ 30 or in some cases over 40 years old. And now for the rest of the story (per Paul Harvy) Naw I won’t bore U guys any longer. Anxious

BTW Fred is now in his 90's does consulting @ $50 hr.U do the work but if U have problem that's hard to solve he's worth every penny Applause

Norm,

Big BigMs Live On Applause






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Docsnow_2
#5 Posted : Tuesday, April 24, 2012 3:41:56 AM(UTC)
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Yes they have rebuilt kits. Start at W/M catalog to find which kit U need than go on line & find it cheaper Whistle

Norm,

Big BigMs Live On Dancing



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HuckFinn
#6 Posted : Tuesday, April 24, 2012 5:51:37 AM(UTC)
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I had to replace a pump and rebuild another, this company out of Clearwater FL was good...http://www.depcopump.com/
PT-73
1973 32' FB Express
Chrysler 318's
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tundrarules
#7 Posted : Tuesday, April 24, 2012 1:57:52 PM(UTC)
tundrarules

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Call Dave, he'll set you up.

Total pump will be expensive Pray

http://www.hurrikain.com/Chrysler-raw-water-pumps.htm

How do you know the bearings are going out until you pull the pump??




BigM
1985 Marinette 29 Sedan bridge
Twin 318s, 660 hours
New Edelbrock 1409 carbs (working like a charm)
Original Electronic Ignition, Blaster 2 coils, 90 deg plug wire universal kit cut to fit
Raw water system
Freshwater always
Located Pickwick Lake, TN,MS,AL

RETRO BOATS ARE COOL

If the guys on this forum take their time to help you, have the courtesy to update your thread with the resolution.
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tundrarules
#4 Posted : Tuesday, April 24, 2012 2:04:48 PM(UTC)
tundrarules

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Originally Posted by: Docsnow_2 Go to Quoted Post
Here’s another tip that might aide as in your case of a exploding impeller I’d check the exhaust hoses aft of the engines for interior collapse most of the exhaust hoses have been there since the BigM was built. Here’s a short synopsis of how I know of this well I blew a impeller ok changed it out cranked up engine headed out never got a 1/4 mile out gage pegged out shut eng.. down came back to port. Sure enough impeller blown apart. Thinking to myself U dumb A$$ U put the impeller in backwards $40 down the drain. Another $40 later making sure everything installed correctly + two days of prime time fishing lost, off I go BAM samo samo as above. So now I hire the best mechanic in Bay Port MI. a 80 year young gentle man FRED tears into it tells me U had the impeller in correctly puts it all together start up eng. ok that’ll B $300 not so fast Freddy lets take it for a sea trial gage pegs out again OH $hit. Come back to port pour Fred a glass of wine & have me a Brewski sitting there contemplating what’s wrong all of a sudden the old boy ask my wife for a old towel & her shower cap I’m thinking man I shouldn’t have gave him that wine he can’t hold his liquor now he’s stuffing the towel up the outer exhaust tube than puts the shower cap over it ? Fred tells me start taking the exhaust off from the eng. back. Inside the long hose sure as $hit there’s a huge glob of the interior hose plugging the hose. Back pressure was blowing the impellers. Replaced with S.S. tubing now U wantta hear a throaty 318 almost sound like a go
fast didn’t impress my dock neighbors much at 5 am when I crank them puppy’s up. Moral of the story check them hose once in a while especially if your eng. has over heated a time
or two. Or just because most are 25/ 30 or in some cases over 40 years old. And now for the rest of the story (per Paul Harvy) Naw I won’t bore U guys any longer. Anxious

BTW Fred is now in his 90's does consulting @ $50 hr.U do the work but if U have problem that's hard to solve he's worth every penny Applause

Norm,

Big BigMs Live On Applause








Norm,
"Replaced with SS tubing" What are you talking about???? Did you replace all of he rubber exhaust hoses??

I can reach my hand through the stern exhaust hole and feel that one of the rubber hoses has a bubble of caved in wall. Don't think it is causing a problem.


BigM


BigM
1985 Marinette 29 Sedan bridge
Twin 318s, 660 hours
New Edelbrock 1409 carbs (working like a charm)
Original Electronic Ignition, Blaster 2 coils, 90 deg plug wire universal kit cut to fit
Raw water system
Freshwater always
Located Pickwick Lake, TN,MS,AL

RETRO BOATS ARE COOL

If the guys on this forum take their time to help you, have the courtesy to update your thread with the resolution.
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Docsnow_2
#8 Posted : Tuesday, April 24, 2012 2:55:18 PM(UTC)
Docsnow_2

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YUP 4" S.S. tubing all the except at the joints Anxious not to much more exspensive than 4" rubber hose @ least back in 1997 Think

Norm,

Big BigMs Live On Dancing




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tundrarules
#9 Posted : Tuesday, April 24, 2012 6:11:51 PM(UTC)
tundrarules

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Show us some pics of the mod....got to see this Eh?




BigM
1985 Marinette 29 Sedan bridge
Twin 318s, 660 hours
New Edelbrock 1409 carbs (working like a charm)
Original Electronic Ignition, Blaster 2 coils, 90 deg plug wire universal kit cut to fit
Raw water system
Freshwater always
Located Pickwick Lake, TN,MS,AL

RETRO BOATS ARE COOL

If the guys on this forum take their time to help you, have the courtesy to update your thread with the resolution.
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Docsnow_2
#10 Posted : Tuesday, April 24, 2012 10:09:40 PM(UTC)
Docsnow_2

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Sorry back than I wasn't privy to a digital camera Brick wall Ya'all gunna have have 2 take my word at it cause that's how it was back in the 90's & I ain't Liar ing

Norm,
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John
#14 Posted : Wednesday, April 25, 2012 6:23:23 AM(UTC)
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Can get you a new sherwood g7b pump for 285.00 plus shipping.
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Bill_2
#11 Posted : Wednesday, April 25, 2012 9:02:56 AM(UTC)
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Originally Posted by: Docsnow_2 Go to Quoted Post
Sorry back than I wasn't privy to a digital camera Brick wall Ya'all gunna have have 2 take my word at it cause that's how it was back in the 90's & I ain't Liar ing

Norm,


Hey Doc
Silenced Was that in the roaring 20'sDancing
Bill
ps Did you bring back any fish?




Bev and Bill Clayton
ALUMINATION
1975
37' Marinette Fly Bridge Sedan
Twin 340 Chrysler 250 hp
Grosse Ile, MI
Lake Erie
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Docsnow_2
#12 Posted : Thursday, April 26, 2012 4:09:54 AM(UTC)
Docsnow_2

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Originally Posted by: Bill_2 Go to Quoted Post



Hey Doc
Silenced Was that in the roaring 20'sDancing
Bill
ps Did you bring back any fish?



[/color]

[/quote]

Naw that was back in the 90s I ain't that old Liar

We got a few fish nothing to brag about 4 a $1000 boat ride seen hundreds of tarpon rolling & jumping but only got 1 to take the bait + we caught 2 sharks & some garbage fish all in all had a gre 8 time Dancing Dancing Dancing
Norm

PS: U back in MI yet Think
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Bill_2
#13 Posted : Monday, April 30, 2012 6:34:44 PM(UTC)
Bill_2

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Originally Posted by: Docsnow_2 Go to Quoted Post
Originally Posted by: Bill_2 Go to Quoted Post



Hey Doc
Silenced Was that in the roaring 20'sDancing
Bill
ps Did you bring back any fish?



[/color]



Naw that was back in the 90s I ain't that old Liar

We got a few fish nothing to brag about 4 a $1000 boat ride seen hundreds of tarpon rolling & jumping but only got 1 to take the bait + we caught 2 sharks & some garbage fish all in all had a gre 8 time Dancing Dancing Dancing
Norm

PS: U back in MI yet Think [/quote]


Whistle I flew back to Mich. for a couple of days, but now back in Florida till May 4 th, then back home for the summer.{long story] Anywho have you had time to look at that bow pulpit print and figure out how to post it on the BigM site?
Bev and Bill Clayton
ALUMINATION
1975
37' Marinette Fly Bridge Sedan
Twin 340 Chrysler 250 hp
Grosse Ile, MI
Lake Erie
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Docsnow_2
#15 Posted : Tuesday, May 01, 2012 12:42:14 AM(UTC)
Docsnow_2

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On the pulpit drawing Not talking Not yet Bill been busy as Hell since I got back if rainy today Whistle I'll try

Norm
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Bill_2 on 5/1/2012(UTC)
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