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#1
08-30-2022, 10:40 AM
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PONTIAC ENGINE MOCK-UP BLOCK
Is there any source for one of those fiberglass or plastic engine mock-up, or display models?
Kinda big for a 3D printer? Maybe someone has any leads? |
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#2
08-30-2022, 02:38 PM
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Haven't heard of any......
Guy we know who've done mock-ups just used either a 'windowed' block or something they have laying around.
Good luck! |
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#3
08-30-2022, 03:11 PM
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I have a Pontiac 400 block that I had a friend "Epoxy UP" the Lifter Bores and I made
aluminum plugs for the Camshaft bores on the front and back of the block. The oil dipstick location was used to get the crankcase suction pressure, and the Pan had a stub section (3" diameter) where I could hook up my vacuum source. The vacuum source was 8 Ametec 115923 Vacuum Motors. I worked with Ricky Hunt on a similar flow bench (for the Butlers) before they purchased a Superflow Bench for their shop. I did this years ago and it was written up in a couple of Jim Butler's early Catalogs. So my block is used for multiple tasks: Flowbench, Mock-up engine for intake and exhaust fitment (turbo) and Belt drive Supercharger Systems (Vortech Supercharger). Well worth the effort. Tom V.
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"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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#4
08-30-2022, 04:04 PM
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mostly something we can display an intake or valve covers, and just pick up and move. I know there's a million Chevy and Ford plastic blocks, but surprisingly no Pontiac.
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#5
08-30-2022, 08:52 PM
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Figure the time frame when Pontiac KILLED the Traditional Pontiac Engine.
Not very many car things were made from Plastic in those days. Tom V.
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"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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#6
08-30-2022, 09:00 PM
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Quote:
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1978 Black & Gold T/A [complete 70 Ram Air III (carb to pan) PQ and 12 bolt], fully loaded, deluxe, WS6, T-Top car - 1972 Formula 455HO Ram Air numbers matching Julep Green - 1971 T/A 455, 320 CFM Eheads, RP cam, Doug's headers, Fuel injection, TKX 5 Spd. 12 Bolt 3.73, 4 wheel disc. All A/C cars |
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#7
08-30-2022, 09:02 PM
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Have you considered taking an oxy/acetylene torch to a 557 block?
 The factory made it lighter already, just take things a little (or a lot) further. Which is the lightest casting, 350 or 400? Doubt it'll ever be considered a lightweight, but it certainly would make it more manageable. And if it's for a display, talk to coupeute about his engine cradles? 
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#8
08-31-2022, 08:16 AM
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If youre just needing it for external dimensions, just take a BFH and knock the main saddles out of it, that will remove a bunch of weight.
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Clutch Guys Matter _______________________________________ 53 Studebaker, 400P/th400/9" 64 F-85 72 4-4-2 Mondello's VO Twister II 84 Hurst/Olds #2449 87 Cutlass Salon 54 Olds 88 sedan |
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#9
08-31-2022, 09:28 PM
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I have been using the same mock up block for the last 20 years.
 Just a garden variety 350 with yucky cylinder walls. I toss on whatever set of heads are closest that day.  -Abone.
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Daily Driver Model A Ford. 389 Pontiac w/6-71. 10.80 @129.5 1933, 1934, 1936 and 1940 Fords, also Pontiac powered. |
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