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#21
02-09-2021, 06:04 PM
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__________________
'70 TA / 505 cid / same engine but revised ( previous best 10.63 at 127.05 ) Old information here: http://www.hotrod.com/articles/0712p...tiac-trans-am/ Sponsor of the world's fastest Pontiac powered Ford Fairmont (engine) 5.14 at 140 mph (1/8 mile) , true 10.5 tire, stock type suspension https://www.youtube.com/watch?v=qDoJnIP3HgE |
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#22
02-09-2021, 06:52 PM
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Aluminum blocks require more thread engagement for head studs, so they differ from those for iron blocks.
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#23
02-09-2021, 07:20 PM
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Quote:
__________________
No! Do not try! Do! Or do not. There is no try. - Yoda 1967 Firebird Restoration 2005 - 1/25/2017 
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#24
02-09-2021, 07:23 PM
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Yes. |
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#25
02-09-2021, 08:02 PM
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__________________
1967 Firechicken, 499", Edl heads, 262/266@0.050" duration and 0.627"/0.643 lift SR cam, 3.90 gear, 28" tire, 3550#. 10.01@134.3 mph with a 1.45 60'. Still WAY under the rollbar rule. |
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#26
02-09-2021, 08:31 PM
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#27
02-09-2021, 08:45 PM
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If I was buying an IA2 and had a question, I would call Allpontiac directly. The customer support I received from Allpontiac was first rate, they are 100% committed to selling a quality product and ensuring their customers have the information they need to succeed.
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#28
02-09-2021, 10:50 PM
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All-Pontiac aluminum blocks start with a 4.24 rough bore.
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#29
02-09-2021, 11:23 PM
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My aluminum block is 4.24" off of the shipping pallet and I plan on having it bored to the initial first size (assume 4.25" and then later to about 4.280" and then finally to 4.310" (sized for the common Chevy good ring package sizes). so at least 3 builds on the block over time.
Tom V.
__________________
"Engineers do stuff for reasons" Tom Vaught Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward. |
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#30
02-10-2021, 08:58 AM
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#31
02-10-2021, 01:37 PM
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Are they head bolts or studs? I have second gen heads and I'd like to use bolts.
__________________
1967 Firechicken, 499", Edl heads, 262/266@0.050" duration and 0.627"/0.643 lift SR cam, 3.90 gear, 28" tire, 3550#. 10.01@134.3 mph with a 1.45 60'. Still WAY under the rollbar rule. |
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#32
02-10-2021, 06:59 PM
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I just got off the phone with ARP who verified that head studs in an aluminum block would need more threads in the block, usually about 3/4" longer he said, but he didn't have a part number for an IA2 block with Edelbrock heads. In fact, he hadn't even heard of an IA2 block. He said that if he had the dimensions for what was needed, he could put a kit together though.
__________________
No! Do not try! Do! Or do not. There is no try. - Yoda 1967 Firebird Restoration 2005 - 1/25/2017
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#33
02-10-2021, 07:13 PM
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Got a name for the guy?
I would like to discuss the Fastener Knowledge that I learned from a 3 month class on just Fasteners put on by Ford Research. At least I hope I will be able to understand what he is saying at the end of the discussion. LOL! The ARP Head Fasteners (studs) that we use on out aluminum engines Block and Heads are for example 3/8" material, with 2 inches of fine thread that go into the block, 1 inch of fine thread for the head washer and nut, and are 10.5 inches long. They require 77 Lbs/Ft of fastener torque. Tom V.
__________________
"Engineers do stuff for reasons" Tom Vaught Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward. Last edited by Tom Vaught; 02-10-2021 at 07:25 PM. |
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#34
02-10-2021, 07:16 PM
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If I'm understanding correctly, I think Paul just said All Pontiac has both versions of head studs in stock for Edelbrock heads, and has even helped him develop a set for the first design edelbrock head.
Are you running some other set of heads, like Tigers? I'm sure Frank would have head studs for those too, since they are his heads. |
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#35
02-10-2021, 07:50 PM
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All Pontiac has aluminum block stud kits call Frankie
__________________
1969 carousel red firebird 455, richmond 5 speed 1964 540 gto 1971 lemans sport convertible 1972 Maverick under slow construction |
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#36
02-10-2021, 10:59 PM
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Quote:
Last edited by PAUL K; 02-10-2021 at 11:04 PM. |
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#37
02-10-2021, 11:00 PM
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#38
02-10-2021, 11:03 PM
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It amazes me how some of the simplest things can become so complicated. |
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#39
02-10-2021, 11:05 PM
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#40
02-13-2021, 12:49 AM
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Butler is doing a 535ci IAII aluminum for me with a build date of August. It's for street and road racing. They spec'd it with these came bearings: https://butlerperformance.com/i-2445...-hk5020-5.html
__________________
1969 Pontiac Firebird |
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