Chevy 327 vs chriscraft 327 water exhaust manifold

[Jass1989]

Hello people, I am new here to the forums and have been doing google searching for hours and finaly broke down and decided to ask.
I am currently restoring a 1961 Owens Express cruiser.
Now I know I have 327s with a Chevy casting number, but I am confused because the water cooled exhaust manifold is a Chris craft log, at least it is on the port engine. I have a BARR on the starboard but It looks nothing like the ones I find on Google for 327s?. I guess the question is are the chevy 327 exhaust manifold compatible with chriscraft?

 

[Don S]

Re: Chevy 327 vs chriscraft 327 water exhaust manifold

CC made all their own stuff back then, and I doubt they made parts for Ownes. You probably won't even be able to find the old CC parts for it any longer. For a 61 boat with 327's that have obviously been changed by a previous owner, it's what ever you find and adapt to work.
You do need water cooled marine exhaust manifold, not automotive headers.

 

[RogersJetboat454]

Re: Chevy 327 vs chriscraft 327 water exhaust manifold

Well...

Let's get one thing strait...
The 327 isn't going to have any different exhaust bolt pattern than any of it's small block brothers.
From Ed Cole's 265 right on up to the 400, they are all exactly the same as far as the part that connects to the head. It's the shape of the manifolds and outlets that are different depending on what boat they were installed in, and in what era.

As Don mentioned, you can't use an automotive manifold. But you may be able to find a current production marine manifold that is fairly close to what you have now. It sounds like you have a boat that was cobbled together anyway (for the record the 327 wasn't available till '62 so the engines may not be original), so at this point you might as well cobble some more and see if you can get a new manifold to work. Have you looked through OSCO's catalog? http://www.oscomotors.com/index.asp
If I were to guess, you probably have a log style manifolds on that era of boat. Post pictures of what you have, and someone may be able to make suggestions as to what may be the closest match.

 

[Tahorover]

Re: Chevy 327 vs chriscraft 327 water exhaust manifold

CC made all their own stuff back then, and I doubt they made parts for Ownes. You probably won't even be able to find the old CC parts for it any longer. For a 61 boat with 327's that have obviously been changed by a previous owner, it's what ever you find and adapt to work.
You do need water cooled marine exhaust manifold, not automotive headers.

http://www.iboats.com/Exhaust-Manif...2454865--**********.959180137--view_id.221868

 

[Don S]

Re: Chevy 327 vs chriscraft 327 water exhaust manifold

Don't tell me, and yes there are some aftermarket manifolds, but to find what the op wants may be an impossibility, and none of those you linked to, may not be what he has. Like I said earlier, CC didn't make manifolds for Owens, so he has something put together in bits and pieces from who knows where. If he has Barr on one side, he should be able to replace the CC with the same part number Barr manifolds as the other engine.

Personally, if it was my boat, I would be looking at Barr and Osco catalogs and figuring out what would work in that boat.

 

[Bondo]

Re: Chevy 327 vs chriscraft 327 water exhaust manifold

Now I know I have 327s with a Chevy casting number, but I am confused because the water cooled exhaust manifold is a Chris craft log, at least it is on the port engine. I have a BARR on the starboard but It looks nothing like the ones I find on Google for 327s’. I guess the question is are the chevy 327 exhaust manifold compatible with chriscraft?

Ayuh,... Forget about the Chriscraft logo, 'n just do as noted above, 'n find a set that matches the Other motor....

The motor don't care, as SBC exhaust flanges are All the same...
Ya need to worry 'bout matchin' or makin' fit the accessory holes, 'n risers, 'n plumbin'...
The Looks mean pretty much Nothin'....

 

[Jass1989]

Re: Chevy 327 vs chriscraft 327 water exhaust manifold

Ayuh,... Forget about the Chriscraft logo, 'n just do as noted above, 'n find a set that matches the Other motor....

The motor don't care, as SBC exhaust flanges are All the same...
Ya need to worry 'bout matchin' or makin' fit the accessory holes, 'n risers, 'n plumbin'...
The Looks mean pretty much Nothin'....

There is no chris craft logo on the port manifolds. No number either. The chris craft from just from pairing up images.
I vwould love to find matching manifolds like the one I have on the starboard but I havnt seen anything matching. Thus why the questions. I learned quite a bit here a few moments ago reading the post. Other then the fact the holes have to line up does it matter what manifold I get? Performance wise?

 

[Bondo]

Re: Chevy 327 vs chriscraft 327 water exhaust manifold

There is no chris craft logo on the port manifolds. No number either. The chris craft from just from pairing up images.
I vwould love to find matching manifolds like the one I have on the starboard but I havnt seen anything matching. Thus why the questions. I learned quite a bit here a few moments ago reading the post. Other then the fact the holes have to line up does it matter what manifold I get? Performance wise?

Nope,.... Performance wise, most All marine exhaust systems are restrictive...
Performance wise, ya gotta step up to true marine wet Headers,... BIG Bucks...

Did ya google up Barr marine manifolds,..??
They're still in business, 'n still doin' it here in America...

 

[Jass1989]

Re: Chevy 327 vs chriscraft 327 water exhaust manifold

http://imageshack.us/g/850/imag0093mp.jpg/ Here is a link to my boat project.
This is the barr I have on the starbord side.

I have done alot of google searching for barr marine manifold. I wanted to make sure I ordered the correct part so I only have to buy it once.
I'm young and this is my first boat, one hell of a project to sink my teeth into first time out. The less mistakes the better you know.

 

[Scott Danforth]

Re: Chevy 327 vs chriscraft 327 water exhaust manifold

contact Barr's customer service, they should be able to identify the castings and point you in the right direction.

 

[Jass1989]

Re: Chevy 327 vs chriscraft 327 water exhaust manifold

WEll after scraching at some serial numbers and casting number I have found myself corrected. The engines are gm 283. The exhaust manifolds on the starboard side where installed in 1980, I cant find anything like them and barr's only reply to my emails was "out of the office limited access to email, sorry" so kinda a bust.

So here is what I am trying to do. I need to repleace the compleat exhaust system on the port engine. (from manifold to the connection on the exhaust pipe going out the boat) I start looking and when I sit down and start adding what I think I need I start to get overwelm at both price and amount of stuff. Suggestions?

 

[Bondo]

Re: Chevy 327 vs chriscraft 327 water exhaust manifold

So here is what I am trying to do. I need to repleace the compleat exhaust system on the port engine. (from manifold to the connection on the exhaust pipe going out the boat) I start looking and when I sit down and start adding what I think I need I start to get overwelm at both price and amount of stuff. Suggestions?

Ayuh,.... So just What are ya askin',..??

Are ya sayin' you want 1 of Us to look up yer parts, find the cheapest supplier, And cut the check for 'em as well,..??

As has been stated, it don't matter if the motor is a 283, or 327, or a 350,...
The head to manifold bolt patterns are All the same...

Only You can see what goes between the head, 'n the exhaust Outa the hull...
'n,... Boatin' is Never Cheap...

 

[RogersJetboat454]

Re: Chevy 327 vs chriscraft 327 water exhaust manifold

WEll after scraching at some serial numbers and casting number I have found myself corrected. The engines are gm 283. The exhaust manifolds on the starboard side where installed in 1980, I cant find anything like them and barr's only reply to my emails was "out of the office limited access to email, sorry" so kinda a bust.

So here is what I am trying to do. I need to repleace the compleat exhaust system on the port engine. (from manifold to the connection on the exhaust pipe going out the boat) I start looking and when I sit down and start adding what I think I need I start to get overwelm at both price and amount of stuff. Suggestions?

Yep,
Get over the idea that you are going to find an exact match to the manifolds you currently have. Unless you happen to find a marina that has been open since the 1960's, and has had your specific manifolds collecting dust on their shelves for the past 3-4 decades, it ain't gunna happen.

You will need to look at what you have, take measurements, then purchase what you think would end up being the closest match to your current exhaust system. When you get it, it may require some tweaking or adaptation to make it fit, but this is not an impossible task, and when you are done, the pride of opening the hatch and showing people the exhaust you put together will give you a warm fuzzy feeling every time.

These are my suggestions for your consideration;

http://www.oscomotors.com/catalog/catalog27.asp

Manifold #1 with riser #6 may get you fairly close, although the angle of the riser outlet will be a little funny, but may be able to be made to work.

Or...
Read this;
http://www.oscomotors.com/catalog/catalog46.asp

The manifold you need is #1 here;
http://www.oscomotors.com/catalog/catalog48.asp

Select the best risers that work for you here;
http://www.oscomotors.com/catalog/catalog52.asp

Or here;
http://www.oscomotors.com/catalog/catalog53.asp

Or here;
http://www.oscomotors.com/catalog/catalog54.asp

Or finally here;
http://www.oscomotors.com/catalog/catalog55.asp

It's not rocket surgery, just careful consideration, and some trial fitting. Think of your self as like a fine furniture craftsman, where no two pieces are the same and it's your job to make them fit perfectly.

BTW, welcome to the world of boating as far as cost is concerned... If I wanted to replace the single obsolete exhaust manifold on my Volvo, the price is about the same as it would cost you to replace all 4 manifolds and risers on your engines...

 

[Bondo]

Re: Chevy 327 vs chriscraft 327 water exhaust manifold

It's not rocket surgery, just careful consideration, and some trial fitting. Think of your self as like a fine furniture craftsman, where no two pieces are the same and it's your job to make them fit perfectly.

Ayuh,.... Excellent post my friend,....

This might be the Perfect time for the Op to step into the present, 'n mount a more common set of center risers, rerig it, 'n be done with it...
Probably could pull it off for Less money.....

 

[Jass1989]

Re: Chevy 327 vs chriscraft 327 water exhaust manifold

Theres always one in the crowd

Yep,
Get over the idea that you are going to find an exact match to the manifolds you currently have. Unless you happen to find a marina that has been open since the 1960's, and has had your specific manifolds collecting dust on their shelves for the past 3-4 decades, it ain't gunna happen.

You will need to look at what you have, take measurements, then purchase what you think would end up being the closest match to your current exhaust system. When you get it, it may require some tweaking or adaptation to make it fit, but this is not an impossible task, and when you are done, the pride of opening the hatch and showing people the exhaust you put together will give you a warm fuzzy feeling every time.

These are my suggestions for your consideration;

http://www.oscomotors.com/catalog/catalog27.asp

Manifold #1 with riser #6 may get you fairly close, although the angle of the riser outlet will be a little funny, but may be able to be made to work.

Or...
Read this;
http://www.oscomotors.com/catalog/catalog46.asp

The manifold you need is #1 here;
http://www.oscomotors.com/catalog/catalog48.asp

Select the best risers that work for you here;
http://www.oscomotors.com/catalog/catalog52.asp

Or here;
http://www.oscomotors.com/catalog/catalog53.asp

Or here;
http://www.oscomotors.com/catalog/catalog54.asp

Or finally here;
http://www.oscomotors.com/catalog/catalog55.asp

It's not rocket surgery, just careful consideration, and some trial fitting. Think of your self as like a fine furniture craftsman, where no two pieces are the same and it's your job to make them fit perfectly.

BTW, welcome to the world of boating as far as cost is concerned... If I wanted to replace the single obsolete exhaust manifold on my Volvo, the price is about the same as it would cost you to replace all 4 manifolds and risers on your engines...

Roges man You have saved my day and wallet. Thanks for the laugh also. See I was looking at the catolog and was thinging I needed to by almost everthing on one page for the exhaust. Thank Alot. I owe you one.

 

[RogersJetboat454]

Re: Chevy 327 vs chriscraft 327 water exhaust manifold

Roges man You have saved my day and wallet. Thanks for the laugh also. See I was looking at the catolog and was thinging I needed to by almost everthing on one page for the exhaust. Thank Alot. I owe you one.

You're welcome sir. Good luck.