Mystery 455 - Page 4 - ClassicOldsmobile.com


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Old August 7th, 2017, 08:50 PM   #121
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Mac,

my wngine is Fusick's 455 Blue. You will find there are many opinions on what is the correct shade. It's on page 66 of their catalog.


Also, not 12 pt, but here are my 6 put ARP intake bolts
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Old August 8th, 2017, 10:27 AM   #122
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Oh, I'm sooo past everything looking "correct", lol. I just very much like the color of your engine. I mean, you know, I want it to be blue. I'm just not that worried about the exact right blue.
I don't suppose you have a part number for those bolts? Everything I find for this intake and 455 are for a Pontiac. Are they the same?
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Old August 8th, 2017, 06:49 PM   #123
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Oh, I'm sooo past everything looking "correct", lol. I just very much like the color of your engine. I mean, you know, I want it to be blue. I'm just not that worried about the exact right blue.
I don't suppose you have a part number for those bolts? Everything I find for this intake and 455 are for a Pontiac. Are they the same?
Mac, I looked at several engines at car shows, and every time I liked the color it was the Fusicks 455 blue.

I looked at my machine shop bill, but it did not list the part number. I will try to give them a call in the next day or two. I need to follow up with them any way on another part.
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Old August 8th, 2017, 07:04 PM   #124
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The color looks very similar to my 455 i got the paint on ebay from thorntons

i dont see any ebay listing but its on his www

http://thorntonmusclecars.com/produc...m-engine-paint

I used about 2.5 cans w 3-4 coats this isnt my pic but you get the idea

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Old August 8th, 2017, 09:38 PM   #125
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That's perfect. Thanks fellas. I like how it's sitting next to a notched valve cover.
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Old August 9th, 2017, 06:56 AM   #126
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That blue is such a pretty color. I can't believe Olds chose that boring bronze for the mid 60's engines.
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Old August 9th, 2017, 10:55 AM   #127
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Because Olds gold is fun to say?
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Old August 9th, 2017, 06:21 PM   #128
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Mac,

To answer your other question,no clearemce problems ARP studs and stock pan
Hey Troy, what kind of fuel pump is that? I mean, besides fancy-schmancy chrome? I deleted my carbon can long ago so only need fuel in and out.
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Old August 9th, 2017, 09:22 PM   #129
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Mac get a robbmc fuel pump. Best 185 bucks you can spend on fuel supply. No one makes a good chrome pump anymore. Holley used to and thats what i had but it pooped out and no rebuold kits anymore.
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Old August 9th, 2017, 10:24 PM   #130
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And the Holley / Mr Gasket mechanical fuel pumps are prone to cracking.

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Old August 10th, 2017, 01:56 PM   #131
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Old August 10th, 2017, 02:11 PM   #132
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-No room for the top outlet port if running air and looks like I'll need a 90* AN fitting coming out of the front in order to clear the AC bracket. Same size fitting as stock? I just spent $65 on braided line and AN fittings so would like to reuse.
-Is the inlet on the back? Doesn't show in the picture.
-Any estimates of the horsepower this 455 beast will have with Copper's 512/512 cam, aluminum intake, 9.5 CR, and full length headers? (I have a line on a used set of headers. Pre-massaged!, Lol).
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Old August 10th, 2017, 02:12 PM   #133
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And the Holley / Mr Gasket mechanical fuel pumps are prone to cracking.

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Old August 10th, 2017, 02:48 PM   #134
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-Any estimates of the horsepower this 455 beast will have with Copper's 512/512 cam, aluminum intake, 9.5 CR, and full length headers? (I have a line on a used set of headers. Pre-massaged!, Lol).
Meh, 180 - 210 ...........

Just kidding. What heads are you going to be running?
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Old August 10th, 2017, 03:15 PM   #135
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Hey Troy, what kind of fuel pump is that? I mean, besides fancy-schmancy chrome? I deleted my carbon can long ago so only need fuel in and out.
It was a Holly, part number: no work.

Dyno day- Engine test great on Dyno fuel delivery system. Hooked up this fuel pump 15lbs at idle, drop to less than 2lbs as the engine wound up. Engine not happy with that. "Pretty" went back. That was the machinest idea, thought he was doing the right thing for an Oldsmobile given the 850 carb. I still have not bought the fuel pump yet to run in the car.

That was was the part that I needed to talk to the machine shop on. He was still waiting on the refund from the supplier.

Last edited by Troys Toy 70; August 10th, 2017 at 03:21 PM.
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Old August 10th, 2017, 06:58 PM   #136
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Meh, 180 - 210 ...........

Just kidding. What heads are you going to be running?
Oh yeah, heads might be a small part of that equation, eh?
They're J heads but have been ported, polished, bowl work, AIR bumps removed, spring seats deepened, all sharp corners removed in chambers, crane everything. Ready to bolt on but they have a strange copper-colored paint on them. They do have the smaller valves but I'm fine with that. 442.com says the large valves can sacrifice low end torque.

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It was a Holly, part number: no work.

Dyno day- Engine test great on Dyno fuel delivery system. Hooked up this fuel pump 15lbs at idle, drop to less than 2lbs as the engine wound up. Engine not happy with that. "Pretty" went back. That was the machinest idea, thought he was doing the right thing for an Oldsmobile given the 850 carb. I still have not bought the fuel pump yet to run in the car.

That was was the part that I needed to talk to the machine shop on. He was still waiting on the refund from the supplier.
So, kind of like how my small block chrome valve covers were a perfect seal (not!).
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Old August 10th, 2017, 08:55 PM   #137
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Hmm, do I see a Dyno in your future????????
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Old August 11th, 2017, 05:23 PM   #138
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Hmm, do I see a Dyno in your future????????
Maybe. Numbers are cool but I'm more interested in the ol' butt-dyno
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Old August 11th, 2017, 05:25 PM   #139
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Brought it home today! A thing of beauty.
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Old August 12th, 2017, 10:42 AM   #140
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If it is the Fa block, it probably won't have a boss for a clutch Z bar attachment. Also, it probably has a cast iron crank--look to see if it has a big N or smaller CN for the better nodular cranks on the front counterweight.
Crank has the small CN on the front counterweight. Guess I got lucky (if there is really a difference).

From 442.com:

"Has a big ol' N (or smaller CN) cast onto the side of the front weight. Best 455 crank you can get, unless you count the elusive 'forged' unit"
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Old August 12th, 2017, 11:10 AM   #141
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From a Hotrod.com article:

"At the bottom of the list is a standard cast-iron production crankshaft, which typically has a tensile strength of 65-80,000 psi, and is fairly brittle with an elongation rating of some 3 percent. Some OE iron cranks were made from nodular (ductile) iron, an improved cast iron that ups the tensile strength into the 100,000-psi range, but more importantly improves ductility to about 5-6 percent elongation before failure."
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Old August 12th, 2017, 07:20 PM   #142
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There is a question on strength vs the non "N" crank but if you have the CN or N, you know it is a nodular iron crank. The only reason GM would have eliminated the nodular cranks is if it saved them a cent.
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Old August 13th, 2017, 01:05 PM   #143
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The "Small valve means better torque" is a load of bs. Most all my builds are equipped with a 2.125" intake valve and more cam than yours, which is also supposed to hurt "low end torque". However this last one made 595lbft at 3800-4000rpm. I'd say that's pretty good "low end torque", wouldn't you?

I would guess your combination will make about 400-425hp.

Last edited by cutlassefi; August 13th, 2017 at 01:08 PM.
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Old August 13th, 2017, 01:08 PM   #144
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442.com says the large valves can sacrifice low end torque.
That would not be the first piece of misinformation on that site...
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Old August 13th, 2017, 04:47 PM   #145
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Originally Posted by cutlassefi View Post
The "Small valve means better torque" is a load of bs. Most all my builds are equipped with a 2.125" intake valve and more cam than yours, which is also supposed to hurt "low end torque". However this last one made 595lbft at 3800-4000rpm. I'd say that's pretty good "low end torque", wouldn't you?

I would guess your combination will make about 400-425hp.
400-425? That's more than I hoped for but I wouldn't want much more. My trans is only rated for 500.

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That would not be the first piece of misinformation on that site...
Understood. Thanks fellas.
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