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Dart Big M block vs Brodix Equivalent
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DRR Sportsman
Picture of FootbrakeJim
posted
Looking to hear from anyone running a Brodix tall deck BBC. I know a lot of guys running the Big M.
I am curious why the Brodix block is $1100 less than the Dart. (Summit, Jegs, and others all have the exact same pricing for a 10.2" Deck, 4.500 or 4.600 bore). Dart = $3571, Brodix = $2472.
Both have all the same features, priority main oiling, added bosses for head studs, Nodular main caps, etc. The Brodix has .903" lifter bores, the Dart has .842's.
Unless there is a substantial reason to stay away from the Brodie, (none I have heard of), why pay the extra for the Dart?


Dan "Jim" Moore
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Posts: 1100 | Location: Farmersville, TX  | Registered: December 05, 2002Reply With QuoteReport This Post
DRR Top Comp
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Jegs said estimated ship date 08/15/24 for the Brodix!


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Posts: 4264 | Location: United States of Texas | Registered: April 02, 2011Reply With QuoteReport This Post
DRR Sportsman
Picture of FootbrakeJim
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quote:
Originally posted by Curly1:
Jegs said estimated ship date 08/15/24 for the Brodix!

Yes, and not a lot better for the Dart, 4/11/24.


Dan "Jim" Moore
Much too young to feel this damn old!!
 
Posts: 1100 | Location: Farmersville, TX  | Registered: December 05, 2002Reply With QuoteReport This Post
DRR S/Pro
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I ordered a dart 10.2 BBC block about 6 weeks ago from a local dealer, they said 14 to 22 weeks, it arrived last week! So who knows!

I have not seen the Brodix block but have heard the dart is better but no specific details.
 
Posts: 2163 | Location: Tewksbury, MA,USA | Registered: November 03, 2000Reply With QuoteReport This Post
DRR Sportsman
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So to me the brodix block looks a lot like a blueprint block. I believe I read the brodix block also needs the mains align honed.


Denis LeBlanc

 
Posts: 502 | Location: Manchester, NH | Registered: February 03, 2006Reply With QuoteReport This Post
DRR S/Pro
Picture of CURTIS REED
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I know that when the Brodie iron blocks first came out they used the same core boxes as the Blueprint blocks and Brodie was added to the pattern.



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Posts: 3138 | Location: KIEFER, OK. | Registered: August 17, 2007Reply With QuoteReport This Post
DRR Sportsman
Picture of FootbrakeJim
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quote:
Originally posted by CURTIS REED:
I know that when the Brodie iron blocks first came out they used the same core boxes as the Blueprint blocks and Brodie was added to the pattern.

Curtis, does that mean the Brodix block is a Blueprint casting? Or is Brodix casting the blocks for Blueprint?


Dan "Jim" Moore
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Posts: 1100 | Location: Farmersville, TX  | Registered: December 05, 2002Reply With QuoteReport This Post



DRR Sportsman
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call ohio crankshaft in ohio they may be able to tell you the diff and maybe beat the price?
 
Posts: 618 | Location: nw ohio | Registered: November 20, 2001Reply With QuoteReport This Post
DRR S/Pro
Picture of CURTIS REED
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quote:
Originally posted by FootbrakeJim:
quote:
Originally posted by CURTIS REED:
I know that when the Brodie iron blocks first came out they used the same core boxes as the Blueprint blocks and Brodie was added to the pattern.

Curtis, does that mean the Brodix block is a Blueprint casting? Or is Brodix casting the blocks for Blueprint?


Jim, Brodix doesn't pour any cast iron. Whatever foundry was pouring Blueprint blocks did the Brodix blocks also is what I read.



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Posts: 3138 | Location: KIEFER, OK. | Registered: August 17, 2007Reply With QuoteReport This Post
DRR Pro
Picture of nomad
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1K difference for the same part is a big deal. If the Brodix/Blueprint blocks are cast in the US and of equivalent quality I guess I'd consider one.


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Posts: 2546 | Location: Auburndale, Florida | Registered: October 19, 2004Reply With QuoteReport This Post
DRR Sportsman
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I've heard the nickel content isn't the same on the Brodix. No personal experience with Brodix however.
 
Posts: 560 | Location: somewhere between been and never was | Registered: November 03, 2002Reply With QuoteReport This Post
DRR Pro
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quote:
Originally posted by SP 124X:
So to me the brodix block looks a lot like a blueprint block. I believe I read the brodix block also needs the mains align honed.
Yes an so was the so called small block…I run one one season…an switched out for a DART
 
Posts: 1275 | Location: USA | Registered: December 04, 2008Reply With QuoteReport This Post
DRR S/Pro
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Really happy with my Dart Big M Block. All the custom machine work was done by Dart, bore, deck, .904 lifter bores, large cam bearing tunnels with bearings installed, all perfect. All I had to do was clean it, check it and assemble it. All the work was spot-on perfect.

Bob
 
Posts: 3192 | Location: Lakeside, Ca | Registered: February 15, 2003Reply With QuoteReport This Post
DRR Sportsman
Picture of Busted Knuckles
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Measured some cylinder walls on Brodix, Big M and Bowtie blocks today. At 4.600 - 4.610 bores, the Big M was marginally thicker in a few spots (.025) but everything measured .300+ on thrust and non-thrust surfaces.
Brodix block has "BPE" on main caps, so that answers that question. Main caps are just as beefy as Bowtie and Dart.


Organized people are just too lazy to look for their $h!t.
 
Posts: 497 | Location: Texas USA | Registered: November 09, 2002Reply With QuoteReport This Post



DRR Sportsman
Picture of FootbrakeJim
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Busted Knuckles, thank you for taking the time to measure the wall thicknesses on those 3 blocks, and share that info. Good catch on the Main Caps, so I think we can safely assume the Brodix is a Blueprint block.

Denis (SP 124X) mentioned above that he heard the Brodix block must be align-honed before assembling. I stumbled across that same info last night, (I don't remember where), but does anyone have any idea why that would be the case?
Especially if the Dart is delivered with all machining completed, and ready to assemble, as Bob / RProGas stated?
Confused
I am thinking if I'm buying a block that is machined to my desired dimensions for cylinder and lifter bores, and I tell them the stroke, brand and journal diameters of the crankshaft I intend to use, why would I want (or need) to immediately bring it to a machine shop for that one final operation?


Dan "Jim" Moore
Much too young to feel this damn old!!
 
Posts: 1100 | Location: Farmersville, TX  | Registered: December 05, 2002Reply With QuoteReport This Post
DRR Sportsman
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Brodix has as far as I know, always required their blocks to be align honed by the end builder. I had a conversation years ago with them about this and was told then they finished the main bores undersized about .010 so the builder can finish to his preferred sizing.
 
Posts: 516 | Location: Going to or returning from the chipmine. | Registered: July 01, 2011Reply With QuoteReport This Post
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