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  #111  
Old 09-04-2013, 10:38 PM
johnboat johnboat is offline
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Join Date: Jun 2013
Boat: MC prostar 190 1995 LT1
Location: Midwest
Posts: 6
update

Thank you! Made the changes and it ran all last weekend at 160F. Happy Winterizing all!
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  #112  
Old 10-07-2013, 05:49 PM
bochnak bochnak is offline
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Boat: 94' Prostar 205 - Indmar 5.7 TBI
Location: Mount Prospect,IL
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Hey Gibbons,

You the same guy from chevelles.com? I'd send you a PM but don't know if your account is active?
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  #113  
Old 01-08-2014, 11:59 PM
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gibbons gibbons is offline
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Boat: 205
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Bochnak, yep, that's me too. I just saw your 3 month old PM, haven't messed with the Chevelle for a long time.

I just logged in to see what trouble I caused here! It doesn't look like anyone changed to a 170 thermostat, that's where the fun starts because the heater is hotter and it still won't heat spike. I got an engineer in the product development lab at Stant to custom make me a couple way back when. But I later found 170 stats off-the-shelf at Summit Racing. Get one of these! Remember to drill a 1/8" bleed hole on the skirt. http://www.summitracing.com/parts/me...0170/overview/

Our kids are all gone and the ProStar hasn't been on the water for 2 years. I rode my bicycles 11,000 miles instead. It's strange how interests change.
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  #114  
Old 01-09-2014, 07:12 AM
bochnak bochnak is offline
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Originally Posted by gibbons View Post
Bochnak, yep, that's me too. I just saw your 3 month old PM, haven't messed with the Chevelle for a long time.

Ha! I haven't messed with mine that much either. Going to do a a H4/H1 headlight swap & relays this winter.
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  #115  
Old 02-08-2014, 03:32 PM
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mgs96ps mgs96ps is offline
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Join Date: Mar 2013
Boat: 96 ProStar 190 LT1
Location: Midwest
Posts: 472
Finally doing the LT1 cooling fix. It seems to me that my boat maintains the 160 temp but I have decided put vents at the front of heads for good measure. I will be leaving the stock vent tube at the rear and capping off the tube running toward bow. Has anyone, instead of capping off existing tube, just plumbed it into new hardware on front? That way steam could travel the least path of resistance and escape either toward the front or rear. Overkill?
Attached are some pictures of hardware.
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  #116  
Old 02-08-2014, 03:41 PM
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Table Rocker Table Rocker is offline
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Boat: '96 ProStar 205, Sammy Duvall, LT-1
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Originally Posted by mgs96ps View Post
Has anyone, instead of capping off existing tube, just plumbed it into new hardware on front? That way steam could travel the least path of resistance and escape either toward the front or rear. Overkill?
That is what I did. I bought a used factory steam tube and put it on the front. I plumbed the rear tube into the hose to the manifold with a brass tee. I figured if it ran too cool, I could block it off later. I did drill another hole in the thermostat to make sure enough water could flow in just to be safe. All said and done, it works great.
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  #117  
Old 02-11-2014, 02:12 PM
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mgs96ps mgs96ps is offline
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Originally Posted by Table Rocker View Post
That is what I did. I bought a used factory steam tube and put it on the front. I plumbed the rear tube into the hose to the manifold with a brass tee. I figured if it ran too cool, I could block it off later. I did drill another hole in the thermostat to make sure enough water could flow in just to be safe. All said and done, it works great.
TRocker,

Do you see any issues with attached image of how I am thinking of updating my steam vents?
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  #118  
Old 02-11-2014, 03:28 PM
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Table Rocker Table Rocker is offline
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Originally Posted by mgs96ps View Post
TRocker,

Do you see any issues with attached image of how I am thinking of updating my steam vents?
I can't think of any reason it wouldn't work fine. The hose from the bubble catcher is small, so you would probably replace it with the larger hose and larger brass fitting on the manifold.
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  #119  
Old 02-11-2014, 03:51 PM
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epnault epnault is offline
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Join Date: May 2010
Boat: MasterCraft ProStar 209X9 & ProStar 190 LT1-Powerslot
Location: Twin Cities and Northern WI Cabin
Posts: 727
Hi Guys,
I just bought a boat with an LT1 a couple of weeks ago. Does it look like mine has the bulletin completed. I wish I had better pics but it is in storage 10 hours away where I bought it.
Thanks,
Eric
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  #120  
Old 02-11-2014, 04:04 PM
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Table Rocker Table Rocker is offline
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It does not look like it has been changed.

It does look nice and clean though, very nice.
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