I was thinking of using a 4 bolt main 350 010 block that I have and maybe doing a short fill on it. This mill would make such a fun street engine with ample grunt to pin your buns in the seat. Builders don't like complaints or come backs so they go to great lengths to make certain that their products perform and live well in today's performance environment which includes high operating temperatures and often poor quality fuel. Westech’s Steve Brulé muscles our new set of Brodix IK200 cylinder heads onto the engine. 336 SBC (Stroked 305) 1977 Original Corvette 350; 400HP Dual Quad 327; 500HP 400 SBC with FAST EZ EFI; Big Block Chevy. Port, .060 in. In the spirit of thrift, we retained our Goodwrench valve covers. These are the bread and butter engines that any hot rodder would love to have in his personal ride. Our theory is that because we had a blower force-feeding the cylinders, we opted for the 200cc variant of the IK series, and per these results, we are glad we did. You don't have to purchase an expensive hybrid or wait for the electric car, though. ... Pingback: cheapest way to build a blown … We upgrade the cooling system in our big-block–powered 1967 Camaro using a Frostbite aluminum radiator, dual SPAL electric fans, and a Weiand water pump. Know what I mean Gene? Bal. 7. The heads allowed the engine to carry power higher in the powerband before dropping off, but did not sacrifice any mid-range performance. If you decide to order the heads bare, you will need a set of valvespring locators, and enough shims to get your springs set to the proper installed height. I built a blown SBC with two 4-bbls on a 250cid blower, and retained the 30cc squirters and never had a problem with it spitting back or nosing down. Blown Budget: The $3900 Blower Motor You Need In Your Bow … Share. If you find a truck with a radiator full of stop leak the engine may have blown head gaskets or other damage, so walk away from that one. We pulled the low-performance cast-iron heads — the set that ships with all 195-horse crate engines — off the block and installed our IK200s. Here is a comparison chart of Blown Budget in all of the different configurations we’ve tested. 2000+ Hp Custom LS-Based Engines. With a smaller BBC, you will notice when the blower begins to fall off (recommend a 8-71). The 468 can run for 300,000 miles producing the power you are currently producing, I do not believe the blown 400 SBC will be able to match that claim because it is being stressed beyond it's design limits. The “IK” moniker, short for Iron Killer, is a nod to the price point of the head lineup, which cost $809.36 a pair — or $404.68 each — (bare) or $1,329.97 assembled, directly from Brodix. The 70cc chambers also bumped the compression of the engine up slightly from the 76cc units the 195-horse crate engine is assembled with. 6. 1. Hi from Oz, I am in Tasmania and now just joined the room and looking for some help with either finding a new build FED chassis with tinwork ready to bolt in a blown SBC with either a shorty glide or wouldn't mind direct drive (always loved the sound of a blown rail with dd on full noise) Rooman, being an Aussie do you remember the Moore Brothers who used to campaign their blown SB FED … All Rights Reserved. Sometimes a simple straightforward combination is best for a particular application. A Fel-Pro Performance reusable valve cover gasket seals the head. We attempt to rebuild the worst junkyard engine ever, so you don’t have to. Planning a stroker build? Clevite SBC Main bearings, 350 Std. Sign Up today for our FREE Newsletter and get the latest articles and news delivered right to your inbox. If you study the accompanying dyno sheet and graph you'll see that the engine delivers more than 575 lbs_ft of torque at a mere 3000 rpm on pump gas; more than enough to shred the tires on any street machine or street rod of your choice. 1 … Though small compared to the other AFR offerings, thanks to the CNC porting, the 315cc heads flowed nearly 390 cfm on the intake and over 300 cfm on the exhaust. Our hearty mill fired up on the first pop and it didn’t take long to realize the addition of the new heads was a wise and fruitful decision. This ups the cid to 412. Starr collaborated with noted engine builder Andy Jensen of Jensen’s Engine Tech and customer Chuck Marsh to build and tune this 555 cubic inch blown pump gas big block Chevrolet engine, complete with 14-71 Mooneyham supercharger, to achieve that mythical thousand-horse number. x 1.28 in. The compression choice allowed the motor to run effectively as an NA or blown big block. Mike Petralia's Hardcore Horsepower615.595.0060imakehp@comcast.netÂ, High Performance Engine Balance; Neutral/Internal Balance; w/ Heavy Metal, Clevite SBC Main bearings, 350 Std. 502 Big Block for resto-mod; Dual Carb 489 Big Block; Blown 454 Big Block Street Rod; Numbers Matching 1969 Tripower 427; The ‘Ed Cole’ 1967 L89 Corvette. We could have saved a couple of bucks by sticking with cast iron; but, being that the small-block Chevy has one of the greatest aftermarket parts caches of any engine platform, we turned to Brodix for a set of their IK200 cast-aluminum cylinder heads. Junkyard 4.8L LS makes 672 hp on the dyno! How to Build a Budget Supercharged Smallblock for Torque Blown Budget … er: Our Cost-Conscious Blower Engine Gets a New Set of Heads. Here you can see the stock cast pistons of the Chevrolet Performance 195-horse crate engine. And since E85 has a much higher octane equivalent than unleaded pump gas, and blown engines need higher octane, we thought it might be the perfect fuel to get over 625hp out of a mild little blown … These roots style blowers take more power to run and they create more heat than more contemporary supercharger setups, but that's okay because they've got the look and feel you need for hot street profiling. Chevrolet Performance offers turnkey engine swap options that get you back on the road and into horsepower in a weekend. Chevrolet Performance SP383 crate engine, nitrous combination dyno test and cam swap at Westech Performance. We also took this opportunity to add a set of COMP roller rockers with a 1.6:1 ratio to add a little more lift to our cam. I started exploring building a low cost 427 sbc after I acquired the 400 short block. They feature a 2.02/1.60-inch valve package and hand-blended bowls. Not only did the little-engine-that-could respond quite favorably to unnatural aspiration, it excelled with the extra atmosphere being stuffed down its bores. With peak flow numbers of 261 cfm intake and 176 cfm exhaust, the IK200 heads represent a huge performance bargain for their price to flow ratio. A set of COMP Cams Pro Magnum roller rockers, in a 1.6:1 ratio, were used to bump the conservative lift of our cam (0.462/0.480) up slightly. With a large piston down-bore and around 17cc dishes in the piston, the original compression of the engine was more like 7.8:1 than the claimed 8.5:1. One thing we find particularly interesting is the accompanying photo of the complete engine on a scale. We actually found the stated compression of the engine (8.5:1) to be lower than advertised. Fel-Pro Performance intake gaskets were used to seal the blower intake to the heads. Petralia prides himself on striking the proper balance between good power, drivabillity and long term durability with minimal maintenance. 2020 C8 Mid-Engine Corvette has fulfilled Duntov’s dream. 5. After bolting the heads onto the engine, we installed our COMP pushrod guideplates and a set of ARP rocker arm studs. Only at the very top of the pull does it dip below 400 lb-ft. 2. The heads can be milled to reduce the chamber size, or ordered in a 64cc size. 10. 8. Here are the dyno results from our second test of Blown Budget. We bolted the blower manifold and blower back on the engine, making sure to torque it to Weiand’s specs, and sealed it up with the original Chevrolet valve covers. Doesn't matter what the absolute pressure is, there's still a pressure differential in a blown engine. Speaking of power, the new lungs brought it up to 451 horsepower at 5,900 rpm. Peak boost in our last test with a stock long-block and COMP Cams blower cam saw boost top out at 9 psi, whereas in this test we saw only 7.5 psi. $19,750.00 + shipping. A step-by-step guide on how to select a SBC, machine the valve guide bosses down, and what parts to use to upgrade to your personal liking. SBC/3.750-Stroke w/ Stock Rods, Stock Capacity Oiling system includes: - Milodon SBC '80-'85 2-pc rear main seal, 5-Qt low-profile, 3.750"-S, low-profile, 8" deep, welded steel, RH dipstick, - Melling Std Vol oil pump + matching pickup + HD driveshaft, - 1-pc silicone rubber oil pan gasket and fasteners, - ARP SBC Oil Pump Stud, 12-Point Chromemoly, - Engine Works SB/BB Chevy spin-on filter adapter, Piston SBC; -28cc, 2618-F (4.030"-bore, 3.750"-stroke, 6.000"-rod, 1.125"CH, floating pin, 1/16-1/16-3/16 Plasma-Moly File-Fit rings included, 23°, Wiseco "Pro True", Pushrod; 5/16" x 7.800" x .080", 4130 chrome moly, hardened, blk oxd, Rear Main Seal; SBC GEN I, 1-Piece, Rubber, 1986-97 5.0L/5.7L, Each; Fel-Pro, Rear Main Seal Adapter; SBC GEN I, 1-Piece, Fasteners Included, SBC Roller Rockers; 1.5:1, Aluminum, 7/16" Stud Mount, w/ Poly-Locks, Set of 16; Warhammer, Weiand Supercharger System, SBC 6-71 Series, Polished, 8mm drive, xx.x% drive ratio, (xx/xx pulleys), Fitting; 5/32" "T" Tube Push-to-Connect, Universal, T Union, 140°-Temp, 145-psi Nylon; (each) Dynaflo, Fitting; 5/32" "Y" Tube Push-to-Connect, Universal, Straight, Union, 140°-Temp, 145-psi Nylon; (each) Alpha Technologies, Fitting; 5/32" Tube x 1/8" MPT, Universal, Straight, Connector, Nickel Plated Brass; (each) Alpha Technologies, Tubing; 5/32" Air Brake Line, (Foot); Gates SBC Timing Pointer; billet alum; fits 6.25" dampener, Pipe Plug; 1/8" NPT, Brass, internal Allen Socket head, (each); carb adapter plate, rear 3, Pipe Plug; 3/8" NPT, Steel, Cadmium-plated, Allen Socket head, (Each); cyl head 2, Pipe Plug; 1/2" NPT, steel, Zinc, Allen Socket head, (each) intake manifold, rear; water pump 4. That means most late model OEM electronic ignition systems have the capability of working well with a supercharger and will be fine if you keep your driving under 5,500 rpm. The old 76cc chamber, low-performance iron castings were yanked in favor of a new set of lungs from Brodix. Stuff Vortec heads and a Weiand mini-blower on a used short-block and get...445HP For $3,995 The 50cc is considered necessary by the dirt track folks, who are on and off the throttle any number of times during a lap, thus needing a larger capacity squirter to keep up with the demand. blown big block chevy. Through our testing, one unusual trait arose in our small-block’s demeanor. If you're attempting to duplicate this beauty you might try a few substitutions, but why? Fel-Pro Gaskets / Federal-Mogul Motorparts Corporation, How to Build a Budget Supercharged Smallblock for Torque, Building a Stroker Small-Block with LS-Like Reliability, 1,000 HP From a Broken-In 400-Inch Small-Block Chevy, An Inside Look at the New Edelbrock AVS2 Carburetor, Week To Wicked: Did We Finish As Planned? Well, no you don't, but you may have heard that somewhere.  Sure there's somebody out there twisting it a little faster, boosting it a little higher but why? © Hot Rod Engine Tech. Look at that torque! size, Grooved Upper Halves, Plain Lower Halves, TM-77, P-Series Performance Â, Clevite SBC Connecting Rod Bearings, 2.100 Std. A fresh set of Fel-Pro Performance MLS head gaskets was used to seal in the fire and the flames. Always on the hunt for more power, we put ourselves in the shoes of an average hot rodder and decided the next best, and most logical, upgrade for the engine would be a budget set of cylinder heads. That way you get guaranteed performance and you don't have to wonder if you really did torque the bolts on the number eight rod. Centrifugals have been around for decades. Blown small-blocks have a sour reputation for spinning the harmonic dampers off the crank. Plan the engine build that suits your budget, displacement and power goals. In fact it holds 575 lb-ft or better from 3200 through 5700 and that makes for quite a ride. 500 horsepower will blow the tires completely off of just about anything you put behind it so why not settle for a little less and really boost the durability and drivability. Evan Perkins Nov 4, 2015. Naturally, this got me thinking, how hard would it be to offset grind the crank to pick up the extra inches to make it a 427 sbc. Post by Prostreetbike » Wed Jul 25, 2012 2:49 am. Little things like a stable idle and crisp throttle response combined with the power adder's smooth contribution of power make a tremendous difference in a vehicle you drive for pleasure. Note the tapered edges and huge dishes with four valve reliefs. That’s a lot of grunt! Illustration Showing Black Square Barrel Valves – Enderle for Blown Alky, Blown Gas, Unblown. How to Build Racing Engines: Guide to Torque and Horsepower, How to Build Racing Engines: Cylinder Block Guide, How to Build Racing Engines: Crankshaft Selection Guide, How To Build Racing Engines: Cylinder Heads, How To Build Racing Engines: Choosing the Right Induction System, How to Build Racing Engines: Startup and Maintenance, JBA Performance Exhaust Receives CARB Approval, World’s First DOHC, 4-Valve per Cylinder Racing Engine. Check out the detailed spec sheet below to see the whole combination. We have proven combinations pushing in excess of 3000+hp. The Eastwood Chevy 350CI Blower Engine 500HP Complete is a hand assembled engine that boasts 500 horsepower and 494 lb/ft torque for amazing power. Learn how to re-build a junkyard Small Block Chevy. Similarly, when he needed engines for his Top Alcohol dragster, he turned to a source he could trust – himself. Thick, Set; Fel-Pro, Lifters; SBC Hyd Flat Tappet Hi-RPM Street/Marine, .842" dia. Illustration for Enderle Square Barrel Valve when using: Blown Gas, Blown E-85 or UnBlown any fuel (Not Blown Alcohol) Changing the Rotation of an Enderle SG (Spur Gear) Fuel Pump. Blown BBC A good cam for that combo going back to the mid 1970s was a Crane R288-4133. Here are the 14 known, functioning mid-engine Corvette engineering, concept, and racing cars. The EngineLabs Homegrown Horsepower series focuses on engines that are self-built by the EngineLabs faithful readers, and encompass many different styles and types from mild to wild.. Mid-Engine Corvette Concept & Engineering Cars 1960 to 2012, Say Hello to the En Fuego Six-Oh Junkyard Engine, Chevrolet Performance SP350/385 crate engine swap, Ten Important Facts About Engine Bearing Clearance, Tricks to get more power from your small-block crate engine, Budget Breathers – Brodix IK200 heads (2.02/1.60 valves). The engine responded extremely favorably, with power and torque up across the board (see dyno graph). The better breathing ports and bigger valves bolstered performance everywhere. - Day Five Build Recap, Week To Wicked: Will We Finish? A COMP Cams blower cam (PN K12-556-4) further upped the ante, bringing our total engine output to a respectable 409 horsepower and 435 lb-ft of torque – all for a bottom line of only $3,979.91. Popular. How to build a 427 sbc! ... How to Build an SBC … Finish hone it to a smooth finish with 320 grit and plateau brush the bores this makes for a very even, clean bore. A “rat snout” isn’t always necessary but Hardcore took the added precaution of double keying the K1 crank. Here is a small sample of the many combinations we offer. With our new heads in tow, we lugged the blown small-block back to Westech where it was again strapped to the engine dyno for some inquisitive flogging. Many LS builders are working from iron block versions anyway so they're not likely to be much different from this. 9. Original Shows, Motorsports and Live Events, Due to the EU’s Global Data Protection Regulation, our website is currently unavailable to visitors from most European countries. Installing the new heads brought it up to about 8.2:1. Note that it weighs in at less than 500 pounds. We also offer a variety of upgrade kits for the do-it-yourself mechanic or performance engine builder. We kind of like them, as they give a nod toward the foundation this powerplant is based on. As of now the engine has around 35-40 dyno pulls on the stock Chevrolet Performance 195-horse crate short-block and we have yet to experience any problems. Re: What blower heads for a sbc? The difficulty comes in that the Swedes don’t build a blower big enough to move enough air to make decent horsepower. A blown small block with twin Holley carbs, 600+ horsepower and all the requisite bling to ensure the proper first impression as conveyed by all the shiny hardware and the sweet sound of blower whine announcing your approach. 1-pc RMS, 168-tooth, SFI-approved, Fuel; 93-octane unleaded pump gas for testing, Bolts; 3/8-16 x 1 SOCKET HEAD CAP SCREW S/S, Intake Gasket; SBC, Composite, R-port, 2.09 in. The numbers don’t lie. We ordered up an assembled pair of heads with 70cc chambers to swap onto our Blown Budget project. Stay tuned as there are plenty of bad ideas to come. roller, Comp Cams Chevy SB/BB V8, Black Oxide, Chevy, Big/ Small Block, includes 3 5/16-18 bolts (each), Holley, 600cfm, Gasoline, Model 4150 2 x 4bbl, 6-71 blower calibration, Universal, Dual Inlet, Silver, w/ Mech choke, Stainless Steel fuel line kit, Dual Holley, Double Pumpers, Side-Mounted, -6AN, Black, Kit, Weiand Throttle Linkage Kit, Dual Quad for 6-71/8-71, 256 Superchargers, Side Mount, Universal, Carb Bolts; 5/16-18 x 1 SOCKET HEAD CAP SCREW S/S w/ WASHER, Carb Bolts; 5/16-18 x 1-1/4 SOCKET HEAD CAP SCREW S/S w/ WASHER. To seal the combustion chambers, we used a set of Fel-Pro PermaTorque MLS head gaskets. 1/4-20 x 1 SOCKET HEAD CAP SCREW ALLOY PLN, GMPP Valve Cover Breather; Push-In, Filtered, Chrome Top w/ Bow-Tie Logo, Fits 1.22" hole, Valve cover gaskets; SBC cork-laminate w/ steel shim, 1/4" thick (pair). 427ci Small Block Chevy Blown Pro-Street Engine 825hp+ Built-To-Order Dyno Tuned. A double-chain drive turns the Comp custom grind that was degreed at 110 intake centerline. They are also available in 180cc runner sizes (IK180) and in a fully CNC ported 210cc (IK210) variation as well. Our goal was to build this spec engine using the Dart Iron Eagle 215 cylinder heads and try to make as much power as we could within our cubic-inch limits. Valve Cover; SBC Tall, Aluminum, Polished, Ball-Milled Flame Logo, One Hole each, Baffles + Grommets incld. How to Build a Supercharged Torque Monster for $3900 out of All-New Parts! Gas prices are perpetually on the rise, leaving today's leaders in the automotive industry searching for green solutions. No exception, Petralia has identified a specific mix of components (see spec sheet) that he knows will survive even if the customer chooses to lean on the motor much harder or turn up the boost later. I Don't know if that profile still exist today. I would go with aluminum … In part 3 of our junkyard 4.8L LS build, we add boost to the mix and hit 672 hp with a Torqstorm blower. - Day Four Build Recap, Week To Wicked: Two Days Left To Build our 1955 Chevy! springs (130# @ 1.800"; 330# @ 1.250"; 364# Rate, 1.080" CB, .620"+ max lift), 23°, Aluminum, complete w/parts (pair), SBC MLS head gasket 4.200" x .046", 10.44cc. dart big m block .904 lifter bushings manley center counterweighted crankshaft manley rods w/arp 2000 bolts custom je blower pistons Once you pass 500 horsepower with conventional hardware the engine's start getting a little harder to manage and you're always chasing the tune. Next, Westech’s Steve Brulé set the timing and readied the engine to make a few more power pulls. Thanks for viewing our story. We build a lot of blown street engines that naturally burn up lots of fuel to make power. We have a few more budget upgrades we’d like to try out on Blown Budget before we find a home for the engine. In the previous installment of this engine build, we got our hands on an extremely budget friendly Chevrolet Performance 195-horsepower crate engine and subjected it to a healthy dose of boost from a Weiand 142 Pro Street supercharger. So you might consider calling and having him build one for your hot machine. We again strapped our 195-horse crate engine, supplemented by a Weiand 142 Pro Street blower, to the dyno at Westech Performance for another round in the ring. (each) Lunati "Micro-Trol", Break-In Motor Oil, 15W-50 (quart); Joe Gibbs Driven, WIX Engine Oil Filter, 13/16-16 Thread, 3-5/8" Dia., 5-3/16" Tall, 21-Micron, WIX Racing Engine Oil Filter, 13/16-16 Thread, 3-5/8" Dia., 5-3/16" Tall, 61-Micron. Next o-ring the block and install the o-ring wire. Treat your classic Corvette to a professional dyno shop super tune. The rules do not give any specifics on how you can obtain the maximum cubic-inch. While you might be able to save a little coin if you have some of those components already, ordering the heads as a complete package takes a lot of the headache out of a swap. Details of full build and copies of all pertinent engine information will be provided to buyer only. The specimen you see here delivers 622 horsepower on pump gas and 619 lb-ft peak torque at 4300 rpm. The big-block Chevy is one of our most popular platforms to build. size, Grooved Upper Halves, Plain Lower Halves, TM-77, P-Series Performance Clevite SBC Connecting Rod Bearings, 2.100 Std. Many engine builders have pet combinations that they have found reliable for specific applications. Deck the block and bore it to .030 over size to make sure the bores are straight. If the cylinders are bored out to the max 0.060" which is the absolute max bore. Here is a close-up of the 70cc chambers of the Brodix IK200 heads. Here are 10 engine bearing clearance tips to consider before building your next engine. This engine will include all parts listed above, except where noted. If you like this content, CLICK HERE and bookmark the page for more great stories. Budget Supercharged Small-Block Chevy Engine Build - 445HP For $3,995 Anyone Can Do It! 3. No tricks, no overly exotic hardware; just regular hardcore speed equipment built around a standard Gen 1 small block for a traditional street rod or street machine. Just starting a build and was needing to hear from some experienced guys that have used one of these small 250 blowers. There’s something intoxicating about cheap speed. View Full Gallery. Re: 377 sbc build questions Post by bigjoe1 » Sat Dec 17, 2011 4:46 am Many years ago I built a 377 combo for my kids Nova== It made 700-710 HP, and with a two carb , tunnel ram set up, ran 9.70 at 139 MPH back in the 1990 years. When sportsman drag racer Dean Dubbin couldn’t find protective awnings that met his race team’s needs, he created his own. In other words, they do not list a specific bore-and-stroke combination for the 365 cubic-inch rule. Typically, on a smaller-displacement engine, such as this one, a large runner (200cc or bigger) can make the powerband lazy toward the bottom of the rev range. Here are a few things you should know before you get started. Machine extra Keyway in Harmonic Dampener, Mallory Distributor "Max-Fire" Multi-Strike Capacitive Discharge (CD) built-in, Magnetic Pickup, Programmable, Electronic Advance, Boost Retard, 3-Bar MAP sensor built-in, Small Cap, fits: Chevrolet V8 262-400, 396-502, Distributor hold down bracket; Chevy, chrome, steel stud included Flexplate; SBC Ext.