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The Leader in High Performance

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The Leader in High Performance 0.05 A-B 0.05 265.82±0.15 10.466±.006 299.64±0.15 11.797±.006 304.70±0.15 11.996±.006 411.48±0.15 16.200±.006 7.129±.006 5.033±.006 54.06±0.15 2.129±.006 181.06±0.15 127.83±0.15 0 0.05 J H G 0.8 F E .002 0.1 0.8 51+ .000 0 +.004 C 2.008 - .000 0.2 R1-R4 0.8 0.8 +0.1 30.48 0.8 0 0.8 X 45° +.004 .031 1.200 0.8 0.8 - .000 3.2 M2, M4 R5 0.2 0.2 0.2 A 4 0.8 R1 .197 0.8 .157 0.2 0.5 X 45° 0.8 1.5 X 45° .02 0.8 R2 .059 M1 0 38.113 C C M2 -0.025 +.000 1.5005 - .001 M3 0.05 A-B D 48.5±0.2 C2 C1 1.909±.008 R6 C4 C3 0 82.542 D .236 -0.018 M1-M5, 16.51 +.0000 +0.5 R2.38±0.3 3.2497 50.8 R1-R4 .650 - .0007 0 .094±.012 M1-M5 23.3±0.3 +.02 2.000 M1-M5 0.05 A-B .917±.012 - .00 100:0.05 0.005 0 55.872 -0.018 +.0000 1.5 X 45° 0.5±0.3 2.1997 B 0.5±0.3 - .0007 .059 .020±.012 9/16-18 UNF-2B C1-C8 .020±.012 R1-R4 J H G R1-R4 F E M1-M5 100:0.03 A-B 0.005 C 40° 2 60° .079 27.5 1.083 5±0.2 6.35 1 .197±.008 +1 6.00 35+ 94.7 0 0 .250 D +.039 0 +.039 .236 1.378 R92.3 3.728 - .000 -0.5 - .000 +.00 M1, M2, 3.634 - .02 M4, M5 50±1 C1-C8 1.969±.039 SECTION C-C 1 60.325±0.05 68.1+ VIEW ROTATED 90 CLOCKWISE 0 13.9 2.375±.002 +.039 R1-R4 2.681 .547 - .000 HALF STROKE R1-R4 25° 0.03 2.4 25 4.76+ .094 .984 0 +.0012 .1875 - .0000 0.03 D 30° R20 26.9 0.15 C .787 1.059 25° 0 29.97 -0.2 R20 +.000 1.180 .787 - .008 0 R95.25 C1 -0.5 40° +.00 3.75 - .02 35.7 C1-C8 1.406 SECTION D-D 0 NOTES: R114.9 -0.5 BILLET TO BE MADE FROM 40CrNiMo. QUENCH, TEMPER,AND STRESS +.00 RELIEVE TO BRINNEL HARDNESS 310-350 BHN. FOR SEQUENCE OF 4.524 - .02 OPERATIONS SEE OPERATION SHEETS. SECTION E-E C1-C8 C2 ALL MACHINED SURFACES TO BE FREE OF BURRS AND SHARP EDGES. STRESS RELIEVE CRANKSHAFT PRIOR TO FINISH GRINDING. NO HAND REPAIR OF SURFACE DEFECTS (NICKS, GOUGES, GRINDING 32.2 WHEEL BURNS, HEAT CRACKS, RAISED METAL, ETC.) PERMISSIBLE. 1.268 BREAK CORNER ON BOTH ENDS OF ALL OIL HOLES. CHAMFER NOT TO SECTION F-F EXCEED 8. BEARING SURFACES AT OIL HOLES MUST BE FREE OF RAISED METAL, 1 BURRS, SHARP EDGES AND HAIRLINE CRACKS. 105+ 0 C7 +.039 10° ALL FILLET RADII OF NOSE, TAIL, CRANKPINS AND MAIN BEARING 4.134 - .000 JOURNALS MUST BE SMOOTH AND FREE OF TOOL MARKS. THE LEADERM3 IN NITRIDE CASE-HARDEN PRIOR TO SUPERFINISHING. SUPERFINISHING TO BE USED ON PINS AND MAINS. FINAL FINISH MUST BE IN NORMAL DIRECTION OF ROTATION. DIRECTION OF ROTATION IS DEFINED AS "CLOCKWISE"AS VIEWED FROM FRONT (NOSE) OF CRANKSHAFT. C5 ALL FINISHED CONNECTING ROD AND MAIN BEARING JOURNALS MUST BE FREE OF CARBON FLOTATION. HIGH PERFORMANCEROD JOURNALS MUST BE WITHIN .12 OF TRUE ANGULAR POSITION WHEN MEASURED AT STROKE DISTANCE AND ALSO PARALLEL WITH AXIS OF FRONT AND REAR MAIN JOURNALS MOUNTED IN ENGINE 2.4 CRANKSHAFTS | CONNECTING RODS | ROTATING ASSEMBLIES 32.2 BLOCK WITHIN .008 PER 25MM. .094 25° 1.268 MAGNETIC PARTICLE INSPECTION OF MAIN AND ROD JOURNALS AFTER FINISH MACHINING MUST SHOW NO INDICATIONS. 53.3 THE MAXIMUM LOBING ON ROD AND MAIN JOURNALS IS 2.098 DETERMINED BY MULTIPLYING THE NUMBER OF LOBES TIMES THE MAXIMUM LOBE HEIGHT IN MICROMETERS.TH THE PRODUCT CANNOT EXCEED 38.1 MICROMETERS. 35 EDITION | VOL 1 10° BALANCING TO BE DONE IN U.S. BY SCAT ENTERPRISES, INC. SECTION J-J ENGINEERING APPROVAL OF SAMPLES FROM SUPPLIER IS REQUIRED PRIOR TO AUTHORIZATION OF PART PRODUCTION. THEIN LEADER INNOVATION & INGENUITY FROM STOCK REPLACEMENT TO CUSTOM BILLET CRANKSHAFTS With over 50 years of manufacturing experience in Redondo Beach, California. SCAT Crankshafts proudly produces some of the fnest crankshafts in the world. With thousands of race proven wins, we are certain that you will receive the highest quality components on the market. With SCAT, you get the best in American innovation, ingenuity and quality. CONNECTING RODS SCAT rods are made from a 2-piece chromoly steel forging to ensure maximum strength and durability. We offer a complete line of Small and Big-Block Chevy, Ford, Chrysler, Pontiac, Honda and many more in both I-Beam and H-Beam designs. COMPLETE ROTATING ASSEMBLIES SCAT offers over 1,200 rotating assembly combinations for Chevy, Chevy LS, Ford, Ford Modular, Ford Vintage, Chrysler, Modern Hemi, Pontiac, and Sport Compact applications. We take the guess work out of building your next high performance engine. THE SCAT STORY SCAT was born in 1962, created by Tom Lieb who ran SCAT has won several prestigious SEMA awards, an auto parts business out of his parents garage while including a double win for the Best Engineered New still in college. Product category. SCAT took home the first trophy for its Killer Engine, a horizontally opposed 4-cylinder Tom’s first task was obtaining a business license, air-cooled and water-cooled engine used in off-road which required coming up with a name. He wanted racing, drag racing, USAC Midget racing and in-home something short and catchy but meaningful. Tom’s built aircraft. Approximately 9,000 of these engines grandmother and mother soon solved the problem. have been manufactured since 1975. When Tom and his siblings were underfoot as kids, grandma or mom would give chase, waving their arms SCAT took home its second award for the V-4 Engine, or a broom, yelling, “scat, scat, scat!” used in off-road racing, drag racing, USAC Midget racing and motorcycles. From 1990-1998, 375 of these SCAT is also a term for acceleration and speed, engines were built before the tooling and rights to the limitless in direction and creativity. From that engine were sold to a major motorcycle manufacturer. definition, SCAT was born. No other engine manufacturer or auto company has ever won this award for engine design, and Over 50 years later, SCAT’s crankshafts, connecting SCAT proudly won the award twice. SCAT’s in-house rods and engine components have been used in and manufacturing capacity is to design and manufacture have won every type of racing, from short track, an engine from raw material to finish assembled test Indianapolis, Daytona 500, and NASCAR, to top fuel, engines. funny car, drag, road and off-road racing. SCAT is very proud of its ability to manufacture a raw SCAT products are used by GM, Ford, Chrysler, Nissan, billet to a finished crankshaft in its Redondo Beach, Toyota and Honda. SCAT’s innovations have led to California, state-of-the-art manufacturing facility. the V-4 engine or prototype crankshaft, connecting With SCAT’s broad range of products and the ability rods and crate engine programs, which serve as the to produce custom crankshafts up to 43” in length model for high-end racing applications and production x 10” in diameter, SCAT is truly a one-stop shop for engines. crankshafts, connecting rods and rotating assemblies. Today, SCAT offers a complete line of crankshafts from stock replacement to custom billet, I-Beam and H-Beam connecting rods, and complete rotating assemblies for Chevy, Chevy LS, Ford, Ford Modular, Ford Vintage, Chrysler, Modern HEMI, Pontiac and Sport Compact vehicles. YOUR HIGH PERFORMANCE HEADQUARTERS 2 TABLE OF CONTENTS TERMS & CONDITIONSHEADING TERMS & CONDITIONS 3 FORD VINTAGE, MODEL 'A','T', FLATHEAD & FE CHEVY MODEL 'A', 'T' CONNECTING RODS, SMALL BLOCK & BIG BLOCK Crankshafts 66 Stock Replacement 6 Connecting Rods 67 Pro Stock I-Beam 3/8" Cap Screws 7 Pistons & Rod Bearings 67 Pro Series I-Beam 7/16" Cap Screws 8 Full Race Series, Custom Forged & Custom Billets 34-41 Pro Sport H-Beam 7/16" Cap Screws 9 FLATHEAD Ultra Q-Lite 7/16" Cap Screws 12 Crankshafts 68 Standard Weight Stroker 12 Connecting Rods 67 SMALL BLOCK CHEVY CRANKSHAFTS Pistons, Main Bearings & Rod Bearings 67 Grass Roots Series, Cast Stock Replacement 15 Rotating Assemblies 68 Grass Roots Series, Series 9000 Cast 16 Full Race Series, Custom Forged & Custom Billets 34-41 Grass Roots Series, Standard Weight Forged 19 FE Grass Roots Series, Small Block F43 Series 20 Crankshafts 69 Full Race Series, Pro Series Lightweight, Big Block Post 26 Connecting Rods 69 Full Race Series, Pro Series Lightweight, Standard Post 27 Rotating Assemblies 70-71 Full Race Series, Superlight, Standard Post 28 Full Race Series, Custom Forged & Custom Billets 34-41 Full Race Series, Custom Forged & Custom Billets 34-41 CHRYSLER Rotating Assemblies 45-50 CONNECTING RODS, SMALL BLOCK & BIG BLOCK BIG BLOCK CHEVY CRANKSHAFTS Pro Series I-Beam 7/16" Cap Screws 8 Grass Roots Series, Cast Stock Replacement 15 Pro Sport H-Beam 7/16" Cap Screws 11 Grass Roots Series, Series 9000 Cast 16 SMALL BLOCK 340 & 360 Grass Roots Series, Standard Weight Forged 22 Grass Roots Series, Cast Stock Replacement 15 Grass Roots Series, Standard Weight Forged - Center Cwt's 22 Grass Roots Series, Standard Weight Forged 24 Full Race Series, Pro Series Lightweight 29 Full Race Series, Pro Series Lightweight 32 Full Race Series, Superlight 29 Full Race Series, Superlight 33 Full Race Series, Custom Forged & Custom Billets 36-43 Full Race Series, Custom Forged & Custom Billets 34-41 Rotating Assemblies 51-53 Rotating Assemblies 73 CHEVY 305 SERIES "B" BLOCK WEDGE 383-400 Crankshafts, Connecting Rods & Rotating Assemblies 16, 45 Grass Roots Series, Standard Weight Forged 24 Full Race Series, Custom Forged & Custom Billets 34-41 Full Race Series, Custom Forged & Custom Billets 34-41 CHEVY LS SERIES Rotating Assemblies 74 Pro Series I-Beam 7/16" Cap Screws Connecting Rods 8 "RB" BLOCK WEDGE & HEMI 413, 426, 440 Pro Sport H-Beam 7/16” Cap Screws 9 Grass Roots Series, Standard Weight Forged 24 Grass Roots Series, Standard Weight Forged 21 Full Race Series, Pro Series Lightweight 32 Full Race Series, Custom Forged & Custom Billets 34-41 Full Race Series, Superlight 33 Rotating Assemblies 54-56 Full Race Series, Custom Forged
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