Check out the installed Scat on connecting-rods on various vehicles. The larger spec accounts for aluminum’s greater rate of expansion, which his roughly twice that of 4340 steel. It is imperative that you pay attention to the connecting rod bolts when you purchase and install your new connecting rods. SCAT Engine Components 2-ICR5955-912 - Scat Pro Stock I-Beam Connecting Rods Connecting Rods, 4340, I-Beam, 12-Point, Cap Screw, 5.955 in. These bolts are the single highest-stressed fastener in your engine, according to Davis. AMS5844 ROD BOLT UPGRADE Crower’s AMS5844 rod bolt upgrade is available for all steel billet and titanium rods. SCAT VW is located in Redondo Beach. SCAT connecting Rods from a 2-piece chromoly steel forging to ensure maximum strength and durability. The 4.250-inch stroke was chosen to complement the 4.600-inch cylinder bore. THE MEASURED DIFFERENCE SCAT Industries connecting Rods feature the same high-quality craftsmanship that has led them to the forefront of the performance industry. Piston Connecting Rod And Bearing Installation. For example, most LS small-blocks that have a 3.622- inch stroke use a 6.098-inch connecting rod, and this equates to a rod … … THe only way is to inspect the connecting rod. set of 4 scat h-beam connecting rods with arp 2000 3/8″ cap screws for vw scirocco, vw jetta, or vw golf. Rod ratio is the length of a connecting rod (center to center) divided by the stroke of the crankshaft. SCAT 5.394" I-Beam Connecting Rods, Type 1 Journals, 3/8" ARP 2000 Bolts, Balanced, Set of 4, ICR5394-3 Search for the perfect SCAT Crankshafts connecting rods for your vehicle or project. I put the rods onto the crank with the bearing tangs down towards the bottom of the engine, with the rod numbers towards the top of the engine. Assamble the rod to the piston. In fact, Pro Comp series rods include some strength adders found in H-beam designs:One-rib cap design for added strength and bearing supportPolished beams to eliminate stress risersSpecial hollow … When the connecting rods are weighed each end of the rod is weighed to get the total weight. AD Performance Scat Rod Bolt Torque Specifications - ROD TORQUE SPECsIMPORTANT INSTALLATION INSTRUCTIONS1.Disassemble rods and thoroughly clean (including bolt and beam threads) to remove rust preventative. Stroke length aside, connecting rods are one of the basic tunable com­ponents in a competition engine. Once the connecting rods are straightened, bored and honed, then you can put the proper size bushing in the small end, which is a very important step according to some engine builders. SCAT BBC 598 632 CHEVY 6.700 H-RODS ARP 2000 CAP SCREWS 2-454-6700-2200-A. This line of SCAT connecting rods is made from 2-piece 4340 forgings and come with a special doweled cap that is profiled for stroker applications to ensure proper clearance. 2nd photo shows where I was installing the rods and ran into trouble. 7/28 The Scat box markings match the weight indicated on this scale—452.2 grams for the big end. 2.Apply ARP Molylube to the threads and under the head of each bolt. width is 981 Length, Ford, 351W, Set of 8 Part Number: SCA-25955912 It is recommended that you press out the old piston-pin bushing and install new ones. We Look at 16 Entry-Level Small-Block Chevy High-Perf Aftermarket Connecting Rods Priced Under $600 a Set. Manley specs 0.025 to 0.050-inch for side clearance on its connecting rods. the great side clearance imbroglio: clearing up confusion briggs small engine does it matter which way you install piston cap on 24 hp els audizine forums. A longer rod ratio can make an engine’s torque output peak more sharply. Disassemble and clean the rods (including bolt and beam threads) to remove rust preventative. Rod length is another choice you will have to make when selecting a set of rods. 3.Install rods by bringing cap and beam into alignment. This bump is at the top of the large end where it forms the connecting rod beam. Unlike many parts of an engine if you underestimate the need for a rod when it fails it will be catastrophic and expensive. A more accurate way to compare connecting rod length between different engine combinations is by looking at their rod-to-stroke ratios. Tap into place before installing … You can see that the lettering and bearing tang is outboard like it is supposed to be but the chamfer is on the wrong side. It is true you can get a "nicer" rod with a Titanium Rod, or a Genuine Carrillo, but for VW specific applications, the SCAT is the best. Calibrate a dial bore gauge to the recorded diameter of the rod journal. Apply ARP Molylube to the threads and under the head of each bolt. Because of aluminum’s high thermal expansion rate, the dowel prevents the bearing from spinning in the bore, which destroys the engine in short order. SCAT Connecting rods are the finest ones available in the VW Industry. This story has focused on steel connecting rods, but aluminum rods do require much more side clearance than steel. If you feel there is a need to have a good aftermarket rod then I would suggest looking into getting a good aftermarket rod. By influencing piston acceleration and velocity it dictates the rate at which a differential is cre­ated between … Add to cart. Measure the crankshaft’s rod journal using a micrometer and record the reading. Rated at 280,000 p.s.i., these bolts are corrosion resistant, nonmagnetic and deliver ultimate clamping capabilities for the highest I can't get both connecting rods on the crank because the large chamfers are on the inside instead of the outside. These Scat H-beam connecting rods are perfect for supercharged and nitrous applications. Connecting rod bearings are the same for the upper (beam section) and the lower (rod cap), except that aluminum connecting rods require a hole in the cap bearing for a locating dowel. These Scat Pro Comp 4340 forged bushed I-beam connecting rods come with huge 7/16" ARP cap screw bolts, which greatly increase strength and horsepower capabilities. SCAT PN is 2-351-6200-2311-927. These rods incorporate a special doweled cap for specific cap-to-rod alignment … The old vw style rods had the bump or nub on top of the rods. SCAT Connecting Rods for FORD 351 This is a new set of SCAT H-Beam Connecting Rods for a ford 351 W engine. Scat Crank Prep. Use the bore gauge to check the installed bearing diameter in the rod. New rods come already prepared for installation. SCAT VW, a trusted name in the VW aftermarket industry, sells 3/8” I-BEAM CONNECTING RODS WITH ARP 2000 BOLTS for VWs. Highly recommended for extreme duty rpm and endurance applications. The rods come with 1.4-inch 7/16-inch ARP 8740 cap screws with an ARP 2000 upgrade available. We have connecting rods for various vehicle makes, as well as different lengths and journals. Length is 6.2" Big end is 2.310" Pin end is .927" These are new rods and only one bag is opened, the other 7 rods are still sealed up as the came from SCAT. Click here for more details or check out the December 2012 issue of Hot Rod Magazine. how to replace piston connecting rod bearings. Most connecting rod prep comes into play when you plan on re-using stock rods. Installing Connecting Rods This article is all about Chevy Old Models. They offer a complete line-up for the Small and Big Block Chevrolet, Chevrolet LS, … Connecting Rod Prep and Bolts. How to install ARP connecting rod bolts Important installation instructions. Connecting rod kit with bearing acg 1 what is a narrow bearing? Installing a set of Scat I Beam connecting rods onto a Scat crank. WISECO BOOSTLINE BBC CHEVY 6.385 RODS WITH TOOL STEEL WRIST PINS. Available $524.49. As rod length (center to center) varies, it affects piston motion such that it can be used as a primary tuning ingredient. The rods come with 1.4-inch 7/16-inch ARP 8740 cap screws with an ARP 2000 upgrade available. This build uses a Scat Lightweight Pro Comp forged crankshaft with a 4.250-inch stroke (PN 4-454-4250-6385-2) and a set of eight Scat H-Beam Pro Sport rods with a 6.535-inch length and a ARP 2000 rod bolt upgrade (PN 445425-2). Install the rod bearings in the connecting rod and fully tighten the rod cap to spec. rod journal is 1.992; b.e. Find CHEVROLET 5.7L/350 Scat H-Beam Connecting Rods and get Free Shipping on Orders Over $99 at Summit Racing! When new connecting rods are installed, or, if new bearings are fitted, the connecting rod should be tested for alignment before and after it is fitted to the piston. bearing and connecting service. Connecting Rods Filter by All Audi Big Block Chevy Honda I-Beam Peugeot Stock Replacement Subaru Toyota VW Sort by Featured Best selling Alphabetically, A-Z Alphabetically, Z-A Price, low to high Price, high to low Date, old to new Date, new to old Many performance engine builders say a rod ratio of 1.57 to 1.67 works best. how to replace piston connecting rod bearings. See all Connecting Rods. This line of SCAT connecting rods is made from 2-piece 4340 forgings and come with a special doweled cap that is profiled for stroker applications to ensure proper clearance. Enjoy reduced pricing on select SCAT products, like seats, crankshafts and connecting rods, on SCAT’s Swap Meet. Your machine shop may check a few things such as the big- and small-end diameters, the rod’s length, and perhaps the rod’s width. Examine the lower end of the connecting rod. These H-beam connecting rods are the strongest Scat connecting rods available. The scat rods have the bump or nub located on the front of the rod. Locate the bump on the connecting rod lower end. A larger 4.5-inch stroke could have been … If you need a stock replacement rod then stock rods may be a better deal. “We use ARP 8740, 2000, L19, and Custom Age 625+ materials,” he said.