Author Topic: CVX 18 THRU HULL EXHAUST (Read 57421 times)

Grinder · « **Reply #40 on:** March 30, 2011, 01:21:55 PM »

Anyone looking for S pipes? KIP? I found these S pipes after I had already ordered mine. They are pretty cheap.

http://www.imcomarine.com/ca_store/index.php?main_page=product_info&cPath=16_64&products_id=563

Shrom CVX-18 · « **Reply #41 on:** March 30, 2011, 03:50:31 PM »

Quote from: Grinder on March 30, 2011, 01:05:48 PM

Quote from: Shrom CVX-18 on March 27, 2011, 10:45:31 AM
If you get the chance to plumb it like I did and test it before I do let me know how it works for you.

I did plumb it like that article I found, for the fact that it was a PITA to get the plugs out of the manifold. I let it run for about 10-15 min and didn't see any overheating problems, manifolds were warm but not hot.

yeah that is how mine was. seemed to run fine and cool. The real test is when its water pumped from the outdrive out of the lake.

How about a video?

Rosscoe · « **Reply #42 on:** March 30, 2011, 05:33:35 PM »

Ah, I see. Thanks for the explaination. I like the idea but I dont think the ones I ordered are like that unfortunately.

Grinder · « **Reply #43 on:** March 31, 2011, 11:19:03 AM »

Quote from: Shrom CVX-18 on March 30, 2011, 03:50:31 PM

How about a video?

I will try get a video of it but it is pretty hard to convince my 8 1/2 month pregnant videographer to stand behind that "obnoxiously loud boat"

CVX Fever · « **Reply #44 on:** April 01, 2011, 10:01:51 AM »

Hey Shaun - Congrats ahead of time on the new arrival!

Such an exciting event. I can't remember if this is #2 or #3 for you and your wife. If nothing else least take some pictures of the thru-hull install so we can check it out. Nice score on those dry-joint exhaust manifolds BTW. I want to do thru-hull on mine eventually but only after I've completed the motor & drive transplant.

Grinder · « **Reply #45 on:** April 01, 2011, 01:44:57 PM »

Thanks Kip,

This is #2, were pretty exited, but it's been 4 years since we had a baby around the house.

Rosscoe · « **Reply #46 on:** April 05, 2011, 08:35:52 PM »

Jeff, I actually already ordered 4 of those brass 90's with the drain.

Hey Shaun, where did you order these from? I received one like this with my manifolds but its plastic. Are you suppose to put a hose on there? I dont know why it is barbed like a regular hose fitting. Looks like it might be tough to get a hose on there?

Grinder · « **Reply #47 on:** April 05, 2011, 08:54:00 PM »

Quote from: Rosscoe on April 05, 2011, 08:35:52 PM

Hey Shaun, where did you order these from? I received one like this with my manifolds but its plastic. Are you suppose to put a hose on there? I dont know why it is barbed like a regular hose fitting. Looks like it might be tough to get a hose on there?

Ross,

Here is where I ordered mine from.

http://bpi.ebasicpower.com/p/BARMC-50-806926

Grinder · « **Reply #48 on:** April 05, 2011, 09:00:27 PM »

Here is some pictures from tonight.

GT150 JEFF · « **Reply #49 on:** April 05, 2011, 09:04:13 PM »

Look in good Shaun

Cannot wait to hear it , hope you will be able to come down in Aug.

Grinder · « **Reply #50 on:** April 05, 2011, 09:09:16 PM »

Thanks Jeff

Here is a video

http://s1005.photobucket.com/albums/af176/grinder7806/?action=view&current=MVI_0806.mp4

Rosscoe · « **Reply #51 on:** April 05, 2011, 09:11:10 PM »

Thanks for the link.
Looks great and I bet is sounds bad!

Hmmm says 1" hose fitting and the 3/4" I got tonight were too big. I must need 5/8 ID

CVX Fever · « **Reply #52 on:** April 05, 2011, 09:37:34 PM »

Shaun - Looks and sounds awesome!

Love your exhaust tips and the newer style carburetor cover is a classy touch.

Good work dude!

Grinder · « **Reply #53 on:** April 05, 2011, 09:40:02 PM »

I am looking for some advise, it runs great till it warms up. I have never seen the temp gauge above 130. It looks like it is starting to steam out the exhaust, then it doesn't want to idle. I changed the cooling hoses around and it ran and idled great not much steam, but when I looked at the temp gauge it was pushing 220.

I wonder if I should just bite the bullet and buy the update thermostat kit, or can I make this work? How I have it plumbed now is the top 2 ports plugged, the bottom front ports going to the bottom center of the manifolds, and the bottom rear ports going to the risers.

Hot Carl · « **Reply #54 on:** April 05, 2011, 11:38:55 PM »

It sounds sweet - awesome job man!

Now I'm really interested in this plumbing issue...It seems like you did everything correct according to the link you posted, right? I don't get the idle issue...

OleRed · « **Reply #55 on:** April 06, 2011, 01:48:49 AM »

Quote from: Grinder on April 05, 2011, 09:40:02 PM

I am looking for some advise, it runs great till it warms up. I have never seen the temp gauge above 130. It looks like it is starting to steam out the exhaust, then it doesn't want to idle. I changed the cooling hoses around and it ran and idled great not much steam, but when I looked at the temp gauge it was pushing 220. I wonder if I should just bite the bullet and buy the update thermostat kit, or can I make this work? How I have it plumbed now is the top 2 ports plugged, the bottom front ports going to the bottom center of the manifolds, and the bottom rear ports going to the risers.

The boat sounds great, I like the tips at water level. I don't have one of the thermostat housings off to look at, so don't take this for gospel till you look at yours, but I believe the top two ports you plugged off are the ones that give constant flow to the risers, all the time, from the little rectangle port the goes up throught the thermostat housing you have. I think the hose that goes from the bottom rear of the thermostat housing flows after the thermost opens, and the front bottom is restricted, but has flow to the log, and that may be bass ackwards, but I'm old and I can get away with things like that.

The later style thermostat housing would be safer, and look better, but there are two style of those also, like mine only has two ports on the thermostat housing to service the manifolds, and then flow from the front port on the manifold right up into the riser, I think you could do the same thing if you don't use that restricted gasket, and I have one of those thermostat housings you can have if you want to run it like that, it's constant flow. The other kind of thermostat housing, has four ports, two constant flows to the riser, and the other restricted by the thermostat.

Moral of the story ... you Must have constant flow to the risers, or it could burn up your exhaust hose's before the thermost opens. Just check it out, be sure you are not pressuring water back to the top of the thermostat, thats what the little restrictor balls do on the newer style housings, they prevent that.

Shrom CVX-18 · « **Reply #56 on:** April 06, 2011, 11:11:06 AM »

Not sure what to tell you mine seems to be working good as far as not over heating. Yours is setup different then mine.

Grinder · « **Reply #57 on:** April 06, 2011, 03:29:27 PM »

Red,

Thanks for the info and offer, but I bit the bullet and ordered the right one. Then I don't have to plug any ports and it will look alot better.

Grinder · « **Reply #58 on:** April 06, 2011, 03:31:05 PM »

Quote from: GT150 JEFF on April 05, 2011, 09:04:13 PM

Look in good Shaun

Cannot wait to hear it , hope you will be able to come down in Aug.

I hope I will be able to make it, but all depends on work.

Grinder · « **Reply #59 on:** April 06, 2011, 04:12:31 PM »

Quote from: CVX Fever on April 05, 2011, 09:37:34 PM

Shaun - Looks and sounds awesome! Love your exhaust tips and the newer style carburetor cover is a classy touch. Good work dude!

Thanks Kip,

That carb cover I found on ebay, for $15 I could not resist.