1967 327 Balancer - Team Camaro Tech
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post #1 of 18 (permalink) Old May 3rd, 11, 07:41 PM Thread Starter
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1967 327 Balancer

My factory Balancer what fits this motor , It was not originally drilled and tapped .. I have had that done since.
I tried to install a SFI 8" balancer for a 350 .

Is there a difference between the key ways or the snout being tapered .
Nothing I tried worked to get it on , So I gave up and slid the original back on it .

The machine shop I went to lost my original timing cover , I have TDC marked it threw the spark plug and had mixed results ..

The motor is coming apart for a refresh and upgrades , so Id like to fix this before I do ...
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post #2 of 18 (permalink) Old May 5th, 11, 08:44 AM Thread Starter
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Re: 1967 327 Balancer

All I need to know is
Does a non threaded Press on crank "67 down" harmonic balancer ,,
fit newer threaded crank "68 up " balancer's

I dont want to buy another without knowing , so far Ive ask on 3 sites no one knows ..

Maybe Ill just find a new stock balancer , But I dont have the original timing cover ...

Anyone know what clock location a low po 1967 327 timed 0 at ?
12:00- 1:30 - 2:00 2:30

Thanks for any advice
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post #3 of 18 (permalink) Old May 5th, 11, 09:57 AM
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Re: 1967 327 Balancer

All crank snouts are the same, almost, diameter.
Measure the inside diameter and compare.
You would want about a 0.003" smaller ID for a good press fit.
Later, '69, have their outer timing marks aligned with the keyway.
Earlier h/bal have timing marks at 2 o'clock or so.

Do a search for sure to check the timing mark-to-keyway relationship.
I may need correction.................

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post #4 of 18 (permalink) Old May 5th, 11, 11:02 AM
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Re: 1967 327 Balancer

My L30 327 stocker is aligned timing mark to keyway.

'67 rs - ordered new by my Grandfather
327 L30, K-K, Deluxe int, tach & gauges, 12 bolt posi, 4 speed.

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post #5 of 18 (permalink) Old May 5th, 11, 06:57 PM
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Re: 1967 327 Balancer

There ya go, I have been corrected. Thanks, Tom.
Too much stuff for the 1K memory........

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post #6 of 18 (permalink) Old May 5th, 11, 08:13 PM
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Everett, I wouldn't have known except I took some photos during my recent cam swap. I'd call it 1:30 at TDC.


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'67 rs - ordered new by my Grandfather
327 L30, K-K, Deluxe int, tach & gauges, 12 bolt posi, 4 speed.

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post #7 of 18 (permalink) Old May 5th, 11, 08:15 PM
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Photo of 67 327/275 balancer.



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'67 rs - ordered new by my Grandfather
327 L30, K-K, Deluxe int, tach & gauges, 12 bolt posi, 4 speed.

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post #8 of 18 (permalink) Old May 5th, 11, 08:18 PM
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TDC



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'67 rs - ordered new by my Grandfather
327 L30, K-K, Deluxe int, tach & gauges, 12 bolt posi, 4 speed.

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post #9 of 18 (permalink) Old May 5th, 11, 08:28 PM
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Re: 1967 327 Balancer

Ditto on the 68 damper with the key way aligning to timing mark. Actually it's about 2 degree's diff, but close enough. I tried to find an aftermarket damper and could not locate one in all the major brands? Sucks!

I di though find a site called the damperdoctor who has all original stuff and will even pay you for your core on trade in. They can even rebuild your current damper for decent price if you want to go the stock route,

I wish I could help on the timing mark, but if needed a piston stop is what I used to find true TDC and was amazed how my stock damper moved over the years. They are cheap to buy and easy to use.
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post #10 of 18 (permalink) Old May 5th, 11, 08:36 PM
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Re: 1967 327 Balancer

Also the straight key way to timing mark was a 68 only year used. I wounder why! They impossible to find in any aftermarket format. Everything out there is 69 and up with the 10 degree off key way stuff.

Not sure what size your balancer is? But I would say it's 2:30.
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post #11 of 18 (permalink) Old May 6th, 11, 09:44 AM Thread Starter
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Re: 1967 327 Balancer

Thanks guys , Mine is a 67... 6.25" My timing cover got lost at the machine shop , Bummer right .. I have done the TDC stop tool and I had a hard time beleiving where it pointed to .
So I bent a 8" timing marker to match the TDC I found , But it just never ran right ..
After that I figured what it should be at 35-36* and it ran tops !

Im looking at the dampner doctor , I think Ill do a stocker and be done with it

Once I take it apart , Maybe do a TDC then with a flat piston stop .. just so I know its right .

Oh when I tried the 8" balancer , it only would go on about halfway ? any Ideas ,, I hope it was just the wrong size ... A quick measure would have told ..

Thanks again
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post #12 of 18 (permalink) Old May 6th, 11, 10:03 AM
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Re: 1967 327 Balancer

Quote:
Originally Posted by jimbo68 View Post
Also the straight key way to timing mark was a 68 only year used. I wounder why!
Actually, the straight alignment was used on all passenger car engine balancers from 1955 through 1968; when they went to the new long water pump accessory drive with the alternator on the passenger side in 1969, the timing index line was moved 10* CCW. Corvette was different - they never went to the long water pump, and stayed with the straight alignment through 1982.

The straight alignment was just that - straight in line with the keyway; the Power Manual has always mis-printed it as 2* offset, but it wasn't. Section from the GM drawing shown below - index line is centered on the keyway, +/- 1/4 of a degree.

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post #13 of 18 (permalink) Old May 6th, 11, 09:29 PM
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Re: 1967 327 Balancer

Thanks John for the clarity on the straight key way 55-68. I was always told otherwise. Do you know if any aftermarket companies such as fluidampr or TCI make one in 6 3/4? I looked everywhere with no luck and like Byran are stuck seeking stock configurations. I am sure he would invest in a better dampener too.

Thanks!
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post #14 of 18 (permalink) Old May 6th, 11, 10:16 PM
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Re: 1967 327 Balancer

Pioneer likely have 6.75" Damper but if you want a good one try BHJ.

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post #15 of 18 (permalink) Old May 10th, 11, 10:43 AM Thread Starter
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Re: 1967 327 Balancer

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Originally Posted by jimbo68 View Post
Thanks John for the clarity on the straight key way 55-68. I was always told otherwise. Do you know if any aftermarket companies such as fluidampr or TCI make one in 6 3/4? I looked everywhere with no luck and like Byran are stuck seeking stock configurations. I am sure he would invest in a better dampener too.

Thanks!

X2 Id like to know I can spin it and rely on it too !
Mine is a 6.25 inch Im afraid to buy one ,mail order cause it may not fit my crank snout ..
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