bits of DART ,COMPONENT INFO

Grumpy

The Grumpy Grease Monkey mechanical engineer.
Staff member
BLOCKS
ORDER CATALOG PHONE: 248.362.1188
http://dartheads.com/catalog/


http://dartheads.com/pdf/DartSalesCatalog_June2016.pdf?da5e30

http://dartheads.com/dart-product/big-m-sportsman/


https://www.summitracing.com/parts/drt-31273454/overview/


drt-31273344_w_m.jpg

1 Customer Reviews

What is the foundation for a better big block build? It's Dart's Big M Sportsman Big Block Chevy Cast Iron Bare Blocks of course! Dart engineered the Big M to be the strongest, most reliable, and easiest to build big blocks on the market. Hey, engine building is serious business--thankfully there's Dart!

The Dart Big M Sportsman blocks feature:

* Standard 9.800 in. and tall 10.200 in. deck heights available for Stroker engines
* Standard 4.250 in., 4.500 in. or 4.600 in. bore sizes with Siamesed extra thick cylinder walls to resist cracking and improve ring seal (minimum .300 in. thick with 4.625 in. bore)
* Uses +.300 in. tall Gen VI style lifters. Modifications for Gen IV style are also available
* Scalloped outer water jacket walls improve coolant flow around the cylinder barrels to equalize temperatures
* 4-bolt ductile iron main caps have splayed outer bolts for extra strength
* True priority main oil system lubricates the main bearings before the lifters
* Oil filter pad is drilled and tapped for an external oil pump
* Lifter valley head stud bosses prevent blown head gaskets
* Rear main cap uses standard oil pump and two-piece seal, no adapter required
* Mechanical fuel pump boss, clutch linkage mounts, and side and front motor mounts simplify installation in chassis
* Dual oil pan bolt patterns fit standard and notched oil pans
* Coated cam bearings, freeze plugs and dowels not included
* Small bore 396 version available
Big M Sportsman – Iron

31273344 – Ductile Std. Std. 9.800 4.250

31273354 – Ductile Std. Std. 10.200 4.250

31273444 – Ductile Std. Std. 9.800 4.500

31273454 – Ductile Std. Std. 10.200 4.500

31273544 – Ductile Std. Std. 9.800 4.560

31273554 – Ductile Std. Std. 10.200 4.560

31273644 – Ductile Std. Std. 9.800 4.600

31273654 – Ductile Std. Std. 10.200 4.600

Big M – Iron

31263344 – Steel Std. Std. 9.800 4.250

31263354 – Steel Std. Std. 10.200 4.250

31263444 – Steel Std. Std. 9.800 4.500

31263454 – Steel Std. Std. 10.200 4.500

31263544 – Steel Std. Std. 9.800 4.560

31263554 – Steel Std. Std. 10.200 4.560

31263644 – Steel Std. Std. 9.800 4.600

31263654 – Steel Std. Std. 10.200 4.600


CRANKS

http://dartheads.com/dart-product/bbc-crankshafts/
Big Block Chevy CRANKSHAFT

9-45442506385 – 4.250” Stroke 6.385” 2 Piece

9-45443756535 – 4.375” Stroke 6.535” 2 Piece

9-45445006700 – 4.500” Stroke 6.700” 2 Piece

9-45447506700 – 4.750” Stroke 6.700” 2 Piece

9-45645006700 – 4.500” Stroke 6.700” 1 Piece

9-45647506700 – 4.750” Stroke 6.700” 1 Piece

http://dartheads.com/product-category/big-block-chevy/heads/

BBC HEADS
http://dartheads.com/product-category/big-block-chevy/heads/

http://dartheads.com/product-category/big-block-chevy/heads/page/2/

http://dartheads.com/product-category/big-block-chevy/heads/page/3/


http://dartheads.com/dart-product/pro1-24-355cc-cnc/

INTAKES
http://dartheads.com/product-category/big-block-chevy/manifolds/

41114000 – BBC Manifold Rectangle 9.800 4150

41115000 – BBC Manifold Rectangle 10.200 4150

41124000 – BBC Manifold Rectangle 9.800 4500

41125000 – BBC Manifold Rectangle 10.200 4500

41214000 – BBC Manifold Oval 9.800 4150

41215000 – BBC Manifold Oval 10.200 4150

41224000 – BBC Manifold Oval 9.800 4500

41225000 – BBC Manifold Oval 10.200 4500

 
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