327 crankshaft - Team Camaro Tech
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post #1 of 9 (permalink) Old Mar 21st, 08, 11:09 PM Thread Starter
 
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327 crankshaft

Ok, I'm learning so bear with me...
I have a 327 that I had tore down at one time. An "expert" looked at it and said it seems to have been from about a 67 LT1. It's been a few years so I could be wrong by now.

It does not have a threaded hole for a bolt in the end of it. I'm assuming the h-balancer just presses on.

First, does that sound right or should it have the tapped hole? Also, would this potentially be a good cam or is it up there with a broom stick?

Thanks all!
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post #2 of 9 (permalink) Old Mar 22nd, 08, 06:32 AM
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Re: 327 crankshaft

You can have the snout drilled and tapped. More of note is whether it is SJ or LJ, and steel or cast. Years and letters don't matter, the crank could care less. Stickin my neck out though I'd say pre 67ish. Right in there was when they started drilling em. My 66 283 wasn't drilled.

As for broomsticks and cams, maybe Onovakind can come along and stir something up then me and him can pedant awhile then Jim can delete all our crap.

Tim Smith
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post #3 of 9 (permalink) Old Mar 22nd, 08, 06:34 AM
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Kevin
 
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Re: 327 crankshaft

Quote:
Originally Posted by Koennicke68 View Post
Ok, I'm learning so bear with me...
I have a 327 that I had tore down at one time. An "expert" looked at it and said it seems to have been from about a 67 LT1. It's been a few years so I could be wrong by now.

Thanks all!
That funny! LT1s did not come out until the 70s! get the casting number and date from the crank and you can find out for sure what it is!

Kevin


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post #4 of 9 (permalink) Old Mar 22nd, 08, 08:35 AM
 
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Re: 327 crankshaft

I'm pretty sure the '67 327's back then only had the old -151 cam if it was a 325hp hi-po motor, otherwise they used the old -929 cam.

You can tell these engines by piston type. Flat-tops = Lo-po and domes = hi-po.

Post back the letters that should be at the end of the long VIN number string that's on the deck pad that's right above the pass. side top water pump bolt and we will try to decode what it started life off as if it's not a virgin.

pdq67



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post #5 of 9 (permalink) Old Mar 22nd, 08, 09:20 AM
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Mike
 
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Re: 327 crankshaft

All High Horse 327 crankshafts came drilled from the factory. Eg. 327/365HP and 327/350 Hp.
As noted it is not that difficult to drill and tap the snout, done it lots myself. I measured a factory Crank hole just now, and the depth of the tapped hole is 1.625. It is 7/16UNF. I do them in a drill Press so as to keep the hole straight. Hope this Helps.

2002 Jerry Bickle Cavalier, 446" Small Block, Brodix Canted Valve, lenco 5 speed, 7.54 @ 180. mph,1.06 60', 2235 lbs for 2014. GM Canada Docs, Highly Optioned 69 RSZ28 , Hugger Orange, White Stripes, 42,000 mile survivor, owned since 1973.
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post #6 of 9 (permalink) Old Mar 22nd, 08, 12:00 PM
 
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Re: 327 crankshaft

He, He!!!

That's a BIG drill press by me!!

He, He!!

pdq67



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post #7 of 9 (permalink) Old Mar 22nd, 08, 12:41 PM
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John
 
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Talking Re: 327 crankshaft

Quote:
Originally Posted by Koennicke68 View Post
... An "expert" looked at it and said it seems to have been from about a 67 LT1.

Thanks all!

Those kind of 'experts' are easy to find
It's the one's that really know something that are rarer than 'hens-teeth'

As stated, submit the suffix (numbers on the pad) from the passenger side front of engine, along with the casting number from the rear of the block and we can tell you what it left the factory as.

1968 Convertible
Some trucks
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Other V8 things - some of which float
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Other V6 things - none of which float
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Oh yeah, and 1 "Straight-Six" ...
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If a man says something in the garage - and his wife can't hear him - is he still wrong !!!
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post #8 of 9 (permalink) Old Mar 22nd, 08, 02:33 PM
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Re: 327 crankshaft

Quote:
Originally Posted by pdq67 View Post
He, He!!!

That's a BIG drill press by me!!

He, He!!

pdq67
Guess I should Clarify - Use a Floor Mount Drill Press

2002 Jerry Bickle Cavalier, 446" Small Block, Brodix Canted Valve, lenco 5 speed, 7.54 @ 180. mph,1.06 60', 2235 lbs for 2014. GM Canada Docs, Highly Optioned 69 RSZ28 , Hugger Orange, White Stripes, 42,000 mile survivor, owned since 1973.
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post #9 of 9 (permalink) Old Mar 22nd, 08, 08:09 PM
 
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Re: 327 crankshaft

He, He!!

My old Blacksmith Buddy from back in HS had a floor mount drill press ran by a 3" wide flat belt that musta weighted a ton and a half!

It would drill a 1-1/4" hole in a 2" thick cold rolled steel plate in a heartbeat! I used to pump oil for it when my Buddy was drilling a bunch of holes to cool the bit!

pdq67



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