Author Topic: Bellhousing to Engine Hardware  (Read 184 times)

Offline ChrisV289

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Bellhousing to Engine Hardware
« on: January 09, 2018, 10:06:26 PM »
The Osborne assembly manual calls for 20490-s for an automatic v8 as does the excel spreadsheet by Jim.  Another book I have calls for 20534 which according to Jim's is for the six cylinder.  AMK does not sell 20490 but does sell 20534 and NPD's kit is part number is 7679-4K.  Not sure what bolts that kit contains...Maybe Scott can answer....

Thanks,
Chris
« Last Edit: January 09, 2018, 11:26:18 PM by ChrisV289 »
Chris
1965 Honey Gold Fastback

Offline J_Speegle

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Re: Bellhousing to Engine Hardware
« Reply #1 on: January 10, 2018, 04:54:43 PM »
Don't know the size or thread count and have never needed to purchase any but thought I might post a picture of the bolt and lock washer from that car we've been using as reference for your car


Jeff Speegle

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Offline ChrisV289

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Re: Bellhousing to Engine Hardware
« Reply #2 on: January 10, 2018, 05:02:06 PM »
Thank Jeff,  that looks like what i have now with no head marking but I know the engine was removed from the car in 2004 for the engine rebuild and don't know if they put the right bolts back.  Also do you happen to have a pic of the bolt that attaches the filler tube to the block?  That one had a weird head marking...
Chris
1965 Honey Gold Fastback

Offline J_Speegle

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Re: Bellhousing to Engine Hardware
« Reply #3 on: January 10, 2018, 05:11:55 PM »
Thank Jeff,  that looks like what i have now with no head marking but I know the engine was removed from the car in 2004 for the engine rebuild and don't know if they put the right bolts back.  Also do you happen to have a pic of the bolt that attaches the filler tube to the block?  That one had a weird head marking...

No I don't (Exhaust and such in the way) but don't recall every seeing that one being different from all the others on other cars.
Jeff Speegle

Anything worth doing is worth doing concours ;)

Offline jwc66k

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Re: Bellhousing to Engine Hardware
« Reply #4 on: January 10, 2018, 07:36:50 PM »
The Osborne assembly manual calls for 20490-s for an automatic v8 as does the excel spreadsheet by Jim. 
Chris,
Thank you.
Another book I have calls for 20534 which according to Jim's is for the six cylinder. 
True. V-8 engines used 7/16 inch hardware, I-6 engines used 3/8 inch, to attach the bell housing to the engine.
I have two type of head markings for the 7/16 inch bolts in my pile of junk, none (as in none) and "F". These are grade 2 bolts with no head recess, flange - nothing, and as such are supposed to be available from any source, at least in the '60's. I can't tell what cars they came from, junkyards are noted for keeping track of every nut and bolt, but with a sufficient quantity (mostly San Jose), no head ID is the norm.
Jim
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Offline ChrisV289

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Re: Bellhousing to Engine Hardware
« Reply #5 on: January 10, 2018, 09:01:16 PM »
Here are the bolts I pulled out that held my bellhousing. Looks similar to your picture Jeff. No head marking in the second pic. The third is the bolt that held the filler tube to the block. Look like anything you have seen?
Chris
1965 Honey Gold Fastback

Offline J_Speegle

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Re: Bellhousing to Engine Hardware
« Reply #6 on: January 10, 2018, 10:09:27 PM »
..........The third is the bolt that held the filler tube to the block. Look like anything you have seen?

Nothing like I've ever seen as far a a head marking for any early Mustang.  Would have remember that one

The head markings are the same as what was used on 69 Boss 302 rear wings.  Post #6  but don't think they are both the same size of bolt

http://www.concoursmustang.com/forum/index.php?topic=9457.0
Jeff Speegle

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Offline Bob Gaines

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Re: Bellhousing to Engine Hardware
« Reply #7 on: January 11, 2018, 03:29:19 AM »
Here are the bolts I pulled out that held my bellhousing. Looks similar to your picture Jeff. No head marking in the second pic. The third is the bolt that held the filler tube to the block. Look like anything you have seen?
After market bolt. I have seen markings like that before in hardware store bins . I have seen them used as generic replacements on various cars for years. 
Bob Gaines,Shelby enthusiast, Shelby collector , Shelby concours judge SAAC,MCA,Mid America Shelby