Electrical issues- 67 Reveler

Nail down your V6 issues here!

Re: Electrical issues- 67 Reveler

Postby evb11 » Wed Jul 14, 2010 3:54 am

I purchased that same one in the above post that was recommended... just arrived today

Anyone have a part number for the head gaskets and other gaskets i might need for this endeavor? And while im asking... where is a good resource for finding part numbers? The only thing i could find was the johnson/evinrude site, but it only goes back as far as 1968-- confused here :?
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Re: Electrical issues- 67 Reveler

Postby JimAndros » Wed Jul 14, 2010 6:22 am

BRP (and other manufacturers) only jumped back a predetermined number of years when they set up their online catalogs. Fortunately, that 1968 date has held steady and not crept forward yearly. I have the parts catalogs back to day one for the I/O and to about 1956 for the outboards.

You can also look for manuals on ebay or order them new from Ken Cook products, but they are spendy new.

You can call me at 888-284-6460.

Jim
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Re: Electrical issues- 67 Reveler

Postby Peter_Crowl » Wed Jul 14, 2010 8:12 am

Did they change engine parts numbers all that much?
I have the '64 150 hp parts catalog in the library
viewtopic.php?f=40&t=368
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Re: Electrical issues- 67 Reveler

Postby evb11 » Wed Jul 14, 2010 9:26 pm

Found it.. 311207

ON the HUNT! BTW, silly question, is my motor a odd fire or even fire... or a brief explanation of the difference.

http://www.masonmarine.net/advanced_sea ... &x=78&y=12
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Re: Electrical issues- 67 Reveler

Postby JimAndros » Thu Jul 15, 2010 6:36 am

Assuming you have the original block, then it's an ODD fire.

Because of the V design, the firing order flip flops from one bank of cylinders to the other. Remember, each cylinder fires once in 720 degrees of rotation or once every 120 degrees of crankshaft travel. Sounds simple, but when you add or subtract (depending on if you are switching to or from the left or right hand bank) the 90 degrees of engine block, you get an irregular firing impulse. Remember, the crankshaft shares rod journals. So, there are 2 cylinders tied to each journal. They don't come up to TDC every 120 degrees like the theory should dictate.

Take your distributor cap off and turn it over. Look at the terminals inside. You should find them to be irregular in size/spacing. Same with the cam that operates the points. This is to get the timing to be where it needs to be.

GM redesigned the rod journals on the crankshaft on the EVEN fire engine to offset the rods in relation to each other actually creating 6 different rod journals. This created the even fire engine.

When you are dealing with a V8, then the 90 degree V offset doesn't matter because you are firing a cylinder every 90 degrees anyway.

Jim
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Re: Electrical issues- 67 Reveler

Postby evb11 » Thu Jul 15, 2010 9:42 pm

Jim, Thanks for that info, you rock! Took some photos and im more confused now, they don't seem to be unevenly spaced...

Image

Could this mean i have an even fire... and further more, NOT a 155 HP... or did were they both 155 HP... ?

Also, 155 HP was 225 Cubic inch correct? Thanks!

I found the metal crush gaskets locally at Seaway marine is west Seattle for $20 per, but they mentioned that they were the "old style" and the new style (non steel) were also available elsewhere... Any input on which would be better and why?

... now i am thinking that i may be on the wrong trail with these parts! : /
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Re: Electrical issues- 67 Reveler

Postby JimAndros » Sat Jul 17, 2010 9:31 am

My mistake, it's the ign rotor that has a goofy hook shaped outer contact so it aligns with the contacts in the distributor cap.

Jim
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Re: Electrical issues- 67 Reveler

Postby bchowk » Mon Jul 19, 2010 11:39 am

Another guy on the list actually went through this.....the origional motor as you know is a 225 Cubic inch ODD fire (155 hp). It is a fairly common swap to put in a 231 Cubic inch EVEN fire engine out of a Buick.

Best way to tell what you have is to look at the casting numbers. Fortunately, they are easy to find. Right on top of the block back where the engine bolts onto the intermediate housing. Take a look at you numbers and take a look at this link and it will tell you for sure what your dealing with. ;)

http://www.earlycj5.com/technical/engin ... and-notes/

Cheers,
B.C.
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Re: Electrical issues- 67 Reveler

Postby JimAndros » Mon Jul 19, 2010 9:14 pm

I don't like the even fire engine. I replaced a crankshaft in an Olds Cutlass years ago. It broke at the offset journal. I can only assume the odd fire is stronger.

Because the odd fire fires at 90 then 150 degree impulses, the distributor must have an odd point cam to open the points irregularly. Thus the irregular rotor contact. The even fire GM engines came after electronic igniton. As far as I know, you won't find a conventional (points/condenser system) to fit an even fire.

Someone correct me if I am wrong. My boats are not home, I can't just walk out & verify my suspicions as I write this.

Jim
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Re: Electrical issues- 67 Reveler

Postby evb11 » Wed Aug 04, 2010 10:57 am

FINALLY got out to look at the casting number on the rear of the engine! ( and ive had the boat out a few times since then! )

the casting number is 1254083

............which... seems to be an even fire, with the exception of the 1977 motor listed below:

1978 231 3.8 3.80 3.40 V6, Even-Fire, Turbo Charged, Crank may have 5/8″ or 3/4″ Pulley Bolt Hole 1254083

1978-77 231 3.8 3.80 3.40 V6, Even-Fire, Split Rod Pin Crank 1254083


1977 231 3.8 3.80 3.40 V6, Odd-Fire, Straight Rod Pin Crank, with Integrated Dist. Drive 1254083


If this is indeed a true casting number, what does that say about my motor? its 10 years NEWER then the boat itself?
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