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01-29-2020, 03:39 PM | #1 |
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Join Date: May 2010
Location: Long Island, NY
Posts: 1,052
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Few Tips While Machining the 8BA Blocks
I just want to put a tip or two here about these blocks, first one, while having or doing the machining on these castings I would recommend having the "missing" 5 holes drilled for the intake bolts!
After the intake is mounted it looks much "cleaner" having bolts in ALL the holes! Second, have the 4 front exh manifold holes stepped down for a 3/8-16 fastener, both these tips are NOT for the 100% stock-appearing guys, but more for the "hot-rodders" so to speak! What I'm working on at this time is putting together a fairly complete set of ARP Stainless fasteners which will include: oil pan, intake, timing cover, water pumps (external fasteners only), thermostat hsgs, and exhaust manifolds, all will have either 6 (most likely) or 12 point heads and can be used with a 1/4" socket set, and will have 5/16" or 3/8" heads! This should make an entire ass'y somewhat easy, and look really "neat", as far as the fasteners are concerned?? Thanks, Gary in N.Y. P.S. I won't have any pricing for a couple weeks, waiting on ARP to make contact! Later tonight I'll have an itemized list with the sizes and the amount needed! Here's a couple shots for now! Photo added with close-up of water pump bolts.
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http://www.stromberg-bulletin.com/me...berg-equipped/ Last edited by GOSFAST; 01-30-2020 at 01:14 PM. Reason: C-Add Photo |
01-29-2020, 04:03 PM | #2 |
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Join Date: May 2010
Location: Coral Springs FL
Posts: 10,973
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Re: Few Tips While Machining the 8BA Blocks
GOESFAST: Your bolt reforms are an excellent idea. Please keep Barn folks informed.
Would also be interested to know how you compensate for the 7/8 in offset of the OFFY 4 bbl. intake generator/fan mount. Thanks. |
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01-29-2020, 05:13 PM | #3 |
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Join Date: Nov 2015
Location: North Pole, Alaska
Posts: 2,657
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Re: Few Tips While Machining the 8BA Blocks
The exhaust bolts don’t bother me, but I wish I had drilled and tapped my missing intake bolts.
Have a cut off bolt with an acorn cover with RTV holding it in place. |
01-29-2020, 05:31 PM | #4 |
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Join Date: May 2010
Location: Coral Springs FL
Posts: 10,973
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Re: Few Tips While Machining the 8BA Blocks
Ralph, I'm in the same boat.
Next time I remove the intake, the drill and tap will come out. I used a socket head cap screws for the exhaust bolts. Smaller head for easier install. PS: Starter wasn't removed to install header bolts. It was being converted to 12V. Last edited by 19Fordy; 01-29-2020 at 05:39 PM. |
01-29-2020, 06:20 PM | #5 |
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Join Date: May 2010
Location: near Washington, DC
Posts: 559
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Re: Few Tips While Machining the 8BA Blocks
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Looks like that ear on the bellhousing flange was broken and repaired. A bit surprising since they look pretty beefy. What do you figure caused it to break?
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