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post #16 of 35 (permalink) Old Apr 21st, 19, 8:36 PM Thread Starter
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Re: 572 questions / Help

I think I can get the 572 with carb, msd, dist, lemons headers, updated springs and lifters for what Marks cast iron head 467 cost.
I know the smaller cubic inch engines can be built up to have more horsepower but they have to be more radical to have the same power as the larger cubic inch.
Mike and mark do Great work no doubt….

I had hoped someone had installed a 540 or 572 with a cowl hood, stock booster and stock brackets..


Anybody know if stock brackets can be used on a 572??


Thank you for all the suggestions




.

71 Malibu 400 B B Conv _72 GS 455 Life is not a journey to the grave with the intention of arriving safely in a pretty and well-preserved body, but rather to skid in broadside, thoroughly used up, totally worn out and loudly proclaiming: "WOW! WHAT A RIDE!!"
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post #17 of 35 (permalink) Old Apr 21st, 19, 8:51 PM
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Re: 572 questions / Help

There are several that have installed big-inch short deck blocks with no major issues.
The tall deck 572 is a horse of a different color, though.
You might try searching for someone who has done it with a tall deck build into a 496 or 505, they'll have the same external dimensions as the 572.
If this is a $6K deal, it's probably worth it, but for Pete's sake ditch GM's heads if they're the -401 castings, they're a major bottleneck on that engine. Many people have tried to port and rework those and few have succeeded in making decent power from them.

Gary Adrian
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post #18 of 35 (permalink) Old Apr 21st, 19, 9:30 PM
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Re: 572 questions / Help

Quote:
Originally Posted by Redmanf1 View Post
I do not want to change the brake booster as it is original and I want to keep it somewhat original looking. Below is what I have now, I think the cam and compression are what is killing me. We were at back to the bricks and put it on the dyno and I remember not being happy. I would rather keep me Stainless works headers but I don't think they will work on a tall deck??? I want to keep a mechanical fuel pump.







CID 496
Block 512 casting H-30-9
Carb 850 vac sec
Intake edelbrock RPM
Heads Brodix aluminum RR ovals Intake Port: 270cc 119cc Intake 2.250'' / Exhaust 1.880''
Cam Lunati Hyd roller 60211 575_ 575 221 _ 229 112 @50
Lifter Lunati Hyd roller 72431
Rocker arm Crane gold roller 1.7
7/16 custom push rods
Timing set Cloyes Quick Button Two-Piece & Torrington roller chain
Crank Scat 4340 forged 4.250 stroker crank
Rods Eagle ESP heavy duty 6.385
Pistons KB flat top, compression with 119cc is 8.75 to 1
Oil pan Moroso 20403 scraper screen installed one piece pump shaft
Aluminum water pump
Ignition: stock with pointless pickup
Exhaust Stainless works headers 2” 2 ½ magnaflow SS system
If this were my 496 I would add some forged Speed Pro 10 to 1 pistons and change that cam, that big engine needs a little breathing room. Put something in there with 236° and around 242° duration at .050 and put the cam on a 110°LCA those two changes should give you all the power you need. Look at Vortecpro's 496, Marks is streetable and makes 650hp. I think yours should be able to do that real easy.
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post #19 of 35 (permalink) Old Apr 21st, 19, 9:46 PM
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Re: 572 questions / Help

Quote:
Originally Posted by Redmanf1 View Post

I had hoped someone had installed a 540 or 572 with a cowl hood, stock booster and stock brackets..

Anybody know if stock brackets can be used on a 572??
A 540 is the same size as a 454.

I posted where you can buy a shortblock for $4300. Everything from your current engine will bolt on. Cylinder heads, intake, etc.

https://www.summitracing.com/parts/m...RoCawAQAvD_BwE

It's the 572 that uses a tall deck block. Totally useless as you can buy a 598 shortblock that's the same size as a 454.

67 Chevelle convertible, 138 vin, original 4 speed, bucket seats, 12 bolt, Marina Blue with black interior
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post #20 of 35 (permalink) Old Apr 21st, 19, 10:05 PM Thread Starter
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Re: 572 questions / Help

Thank you.....

I was thinking that the 540 was a tall deck..




Quote:
Originally Posted by nashville beth View Post
A 540 is the same size as a 454.

I posted where you can buy a shortblock for $4300. Everything from your current engine will bolt on. Cylinder heads, intake, etc.

https://www.summitracing.com/parts/m...RoCawAQAvD_BwE

It's the 572 that uses a tall deck block. Totally useless as you can buy a 598 shortblock that's the same size as a 454.

71 Malibu 400 B B Conv _72 GS 455 Life is not a journey to the grave with the intention of arriving safely in a pretty and well-preserved body, but rather to skid in broadside, thoroughly used up, totally worn out and loudly proclaiming: "WOW! WHAT A RIDE!!"
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post #21 of 35 (permalink) Old Apr 21st, 19, 10:30 PM
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Re: 572 questions / Help

Quote:
Originally Posted by nashville beth View Post
A 540 is the same size as a 454.

I posted where you can buy a shortblock for $4300. Everything from your current engine will bolt on. Cylinder heads, intake, etc.

https://www.summitracing.com/parts/m...RoCawAQAvD_BwE

It's the 572 that uses a tall deck block. Totally useless as you can buy a 598 shortblock that's the same size as a 454.
That 540 short block is a good deal if it has a Dart or World block. Tri-star engines used to sell some 540 short clock for a good price also.
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post #22 of 35 (permalink) Old Apr 21st, 19, 10:47 PM
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Re: 572 questions / Help

Quote:
Originally Posted by 68Chevele View Post
That 540 short block is a good deal if it has a Dart or World block. Tri-star engines used to sell some 540 short clock for a good price also.
It uses a Blueprint block:

https://www.jegs.com/p/Blueprint-Eng...60513/10002/-1

That would be another option. Buy an 4.500" bore based block and pistons. Prepare the block and wait to pull the 496 until the block is ready.

Reuse your crank and rods. Will just have to have the crank re-balanced, but that should only take a few weeks.

Assuming you will be doing all the work

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post #23 of 35 (permalink) Old Apr 22nd, 19, 3:16 AM Thread Starter
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Re: 572 questions / Help

Is the dart M block better than the Blueprint series or would you pay $200-$300 more for the dart?
What will not interchange from the old style chevy block to the new Dart m block? I know the oil pan will not what about timing cover and chain?

If I purchase the short block would go for the 540ci or 555ci?

71 Malibu 400 B B Conv _72 GS 455 Life is not a journey to the grave with the intention of arriving safely in a pretty and well-preserved body, but rather to skid in broadside, thoroughly used up, totally worn out and loudly proclaiming: "WOW! WHAT A RIDE!!"
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post #24 of 35 (permalink) Old Apr 22nd, 19, 7:53 AM
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Re: 572 questions / Help

I'm pretty sure blueprint is using the GM sportsman block.

67 Chevelle convertible, 138 vin, original 4 speed, bucket seats, 12 bolt, Marina Blue with black interior
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post #25 of 35 (permalink) Old Apr 22nd, 19, 8:45 AM
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Re: 572 questions / Help

^ nope, they have their own castings. The only drawback I've seen is that they didn't design them with splayed outer main bolts. Word I've gotten is that they're cast out of similar material to GM OEM blocks, not the harder stuff used in Bowties, Big M, etc.
Go for the Big M, it's a hoss.

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post #26 of 35 (permalink) Old Apr 24th, 19, 4:08 AM Thread Starter
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Re: 572 questions / Help

Well found out the lemons headers are over the frame headers so that kills those headers for me.
Is the one-piece rear main seal a better option? I would have to get a different oil pan, will the stock style timing cover and chain still fit?

Thanks

71 Malibu 400 B B Conv _72 GS 455 Life is not a journey to the grave with the intention of arriving safely in a pretty and well-preserved body, but rather to skid in broadside, thoroughly used up, totally worn out and loudly proclaiming: "WOW! WHAT A RIDE!!"
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post #27 of 35 (permalink) Old Apr 24th, 19, 7:21 AM
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Re: 572 questions / Help

I would think the intended rpm of the motor should determine which way you go.

I would go the "big inch - low rpm" route. I would build a 540-598 and never turn it over 6000 rpm. The block could be the cheaper blueprint block and all the stock parts will fit.

Valvetrain will be cheaper. Not as easy to destroy parts with a low rpm torquer.

Just an all-around more fun car.

Build a sleeper and put 396- 350 hp stickers on it. No wild cams- just killer torque.

67 Chevelle convertible, 138 vin, original 4 speed, bucket seats, 12 bolt, Marina Blue with black interior
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post #28 of 35 (permalink) Old Apr 24th, 19, 8:01 AM
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Re: 572 questions / Help

Anyone that knows anything can pick out a tall deck engine faster than you can tell them it is a factory engine. If you try to fake it you will get nailed.
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post #29 of 35 (permalink) Old Apr 24th, 19, 9:49 AM
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Re: 572 questions / Help

Quote:
Originally Posted by nashville beth View Post
I would think the intended rpm of the motor should determine which way you go.

I would go the "big inch - low rpm" route. I would build a 540-598 and never turn it over 6000 rpm. The block could be the cheaper blueprint block and all the stock parts will fit.

Valvetrain will be cheaper. Not as easy to destroy parts with a low rpm torquer.

Just an all-around more fun car.

Build a sleeper and put 396- 350 hp stickers on it. No wild cams- just killer torque.

That would never work.... 555" 6000 rpm shifts = 1.31, 9.89 @ 132


Brian

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post #30 of 35 (permalink) Old Apr 24th, 19, 11:22 AM
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Re: 572 questions / Help

Quote:
Originally Posted by mrpaticular View Post
Anyone that knows anything can pick out a tall deck engine faster than you can tell them it is a factory engine. If you try to fake it you will get nailed.
The blueprint short blocks are std decks

67 Chevelle convertible, 138 vin, original 4 speed, bucket seats, 12 bolt, Marina Blue with black interior
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