1963. Chevy V8 Casting Number Locations. My 1964 396 Cross Ram Corvette. Chevy Exhaust Manifolds Casting Numbers Use these casting numbers to identify the exhaust manifolds you have. Fits 1964-1972 Chevrolet Chevelle, 1964-1972 Chevrolet El Camino, 1970-1972 Chevrolet Monte Carlo, , , , , . This is a list of all the BBC casting #s. I think there are 3 basic types of manifolds--one for Corvettes only, one with the smog pump fitting holes drilled, and one without the holes. SEARCH cast numbers. 4.5 out of 5 stars. Don't forget to follow us on Facebook, and if you run a website or write for a blog, please link to our site! Casting Number: Years. BBC Exhaust Manifold Casting Numbers Cast # Years Side CID Applications 329225 1973-76 LH 454 353028 1973-76 LH 454 353030 1973-76 LH 454 police 3856297 1965 LH 396 325 3856301 1965 LH 396 425 Corvette 3856302 1965 RH 396 425 Corvette 3856306 1965 RH 396 325 3857297 1965 LH 396 325 3868874 1965-66 RH 396 325, 360, 375 Z-16 3869925 1965 LH 396 Exhaust Manifolds, Big Block Chevrolet. 100 HP. the ribs found on certain right side exhaust manifolds were to accommodate a fitting for pre-heated air to the breather snorkle, first appearing on '68 . Features an as-cast, unpolished finish for a distinctive look. 330864: '68 through '84 oval port, open chamber, 2.06- and 1.72-inch valves. Chevy exhaust manifold Identification - Chevy ramhorn casting numbers, Big Block chevy exhaust manifolds. . Substantial gain over the full RPM range, maybe 25 HP at peak. #178 manifold is in excellent condition all numbers crisp easily readable. 10051182. Side. R 3868874 for 66-67 Chevelle STD PERF & HI PERF. Car and Truck 2 & 4-bolt 1 Piece Seal Passenger stick. Left Right Engine; 3749965: 3750556: 250 Horsepower: 3749965: 3750556: 300 Horsepower with Powerglide: 3797901: 3797902: 300 & 340 Horsepower with M/T: 3797942: 3797902: 360 Horsepower Fuel Injection: 1964. Part Number: SUM-110452. This is for 1, Good Used LH, (One LEFT HAND Only), Chevrolet Corvette Big Block Cast Iron Exhaust Manifold WITHOUT Smog Pump, (AIR/Air Injector Reactor), Fitting Holes, (GM Part Number 3880827, GM Group Number 3.601), for 1966 66 1967 67 1968 68 and 1969 69 Corvettes. Find Parts and Accessories bbc exhaust manifolds KEYWORD and get Free Shipping on Orders Over $99 at Summit Racing! Engine. My 1970 SS454 LS6 SuperCar certified stock appearing 11.90@112 MPH. Casting Number Years Engine Side Comments 336706 74-78 350 RH 336707 74-78 350 LH 336708 74-78 350 RH 336709 74-78 350 RH Camaro & Z-28 with A.I.R. If your camshaft revs more that 6,000 it starts to hurt the performance pretty good. If you can't find an original exhaust manifold many aftermarket reproductions are available. 336706: 1969 BBC exhaust manifolds #879 manifold is dated H-18-9 #178 manifold is dated H-11-9. If you have a mild performance camshaft you wont get hurt too badly. Many manifolds were used in multiple years. 10% Off Select Jeep Products . Comments. R 3909880 for 396, 67 Chevelle, Camaro STD PERF & HI PERF. This is for 1 RH, (One Right Hand, Passenger Side Only), BBC, Big Block Chevy Chevrolet Exhaust Manifold without AIR/Smog Pump Fitting Holes. L 3902401 for 396 67 Chevelle All engines. Engine. High-performance tubular . A highly polished stainless steel risers comes standard as well as bolts, gaskets . Used on 396ci, 402ci, 366ci truck, 427ci truck, and 454ci truck. Left Right Engine; 3846559: 3747038: 250 Horsepower with A/C: 3846559: 3747038: (Camaro L-34, L-78) used Left Side Exhaust Manifold casting #3909879 and Right Side Exhaust Manifold casting #3916178FYI..both above part #'s came WITH and W/O drilled and tapped A.I.R. 336706: Caveats to production dates. 1963-1965 Exhaust Manifold Casting Numbers. Comments. Use these casting numbers to identify the exhaust manifolds you have. Chevy V8 Crankshaft Casting Numbers. 4-bolt Mexico cast Crate engine. Chevy V8 SBC Block and Head Casting Numbers. 3931067 Chey Big Block Cast Iron 4 Barrel Spread Bore Intake Manifold 3963569 Chey Big Block Aluminum 4 Barrel Square Bore Intake Manifold 3894374 Chey Big Block Tri-Power Intake Manifold 3814881 Chey Big Block Dual 4 Barrel Intake Manifold 327. 336710 74-78 307, 350 & 400 LH Chevelle,Camaro,Z-28,Nova and Passenger with A.I.R. In reality, the exhaust valve is tilted 17 degrees relative to the deck surface, and both the intake and exhaust valves are inclined 4-degrees laterally. Hi-Torque Big Block Exhaust Manifolds System feature state of the art design with single wall internal casting that is enclosed in a press formed aluminum jacket creating a fully water cooled manifold. An X-pipe or crossover pipe will help like any other exhaust system. This used 2 1/2 inch manifold, (GM Casting Number 3884504, GM Group Number 3.601), is used on 1966 66 1967 67 and 1968 68 passenger cars including the Chevrolet Impala, Bel Air, Caprice and Biscayne full size cars with 396 or 427 engines. SEARCH cast numbers. Alan Colvins's 70-75 Chevrolet By The Numbers says (for future searches) that ALL 1970 Camaro, Chevelle, Nova, Monte Carlo, misc H.P. Exhaust manifolds are normally date coded in the form of a letter for the month (see table below), two numbers for the day and a single number for the year. This 2 1/2 inch exhaust manifold has a casting date of C 9 7, (March 9 1967). Exhaust Manifold ID. Use these casting numbers to identify the exhaust manifolds you have. This 2 1/2" has a casting date of J 8 5, October 8, 1965. Finally: 1-" Blackjack headers, 3" head pipes into GM Turbo mufflers and 2-" tailpipes. Big-Block Chevy Cylinder Head Casting Numbers. I'm not am expert on what should be in your car, but hope this helps some. 350. Hooker Super Competition Exhaust Header . Tru-Ram Exhaust Manifolds allow you to enjoy the nostalgic look of factory BBC style manifolds, without sacrificing any performance. Estimated Ship Date: Monday 8/15/2022. Investment cast from durable stainless steel material, these exhaust manifolds will be a low maitenance, high-performance addition to any Big Block Chevy-powered vehicle. Estimated Ship Date: Monday 8/15/2022. Also. BBC Exhaust Manifold Casting Numbers L. These exhaust manifolds are manufactured to original GM specifications right down to the original GM casting numbers for 1968-70. BB Block Exhaust Manifolds w/STD S/S Risers & Brackets Kit. Note 3: 1053, tufftrided, cross drilled, balanced for 9.25:1 or 11.25:1 CR, forging number - 3520 and 7416 Note 4: 4 in stroke, HD, 5140, LS-7, balanced for 12.5:1 CR, tufftrided, cross drilled Note 5: tufftrided, 5140, with 7/16 in bolt rods, tufftrided, cross drilled, forging number - 7115. Side. 3rd: Enthusiastic (if not too well-directed) full port job, angle-plug conversion and 0-0.100" angle mill. Chevy exhaust manifold Identification - Chevy ramhorn casting numbers, Big Block chevy exhaust manifolds. Again reversion is pretty big. Chevy V8 "W" Motor 348-409 Casting Numbers. 350. Exhaust Manifold ID. For example, C259 indicates a date of March 25, 1969. BBC Cylinder Head Casting Numbers RECTANGULAR PORT - Valve size 2.19 intake, 1.88 exhaust OVAL PORT - Valve size 2.06 intake, 1.72 exhaust BBC Camshaft Part Numbers Note 1: 80 deg overlap, 396 375hp L-78/L-89, 427 425/435hp L-71/L-72, 454 450hp LS-6, HP street Big Block, BBC, Pair. Exhaust Manifold (LH) Exhaust Manifold (RH) wdt_ID Corvette Year Engine Type Block Cylinder Head Intake Exhaust Manifold (LH) Exhaust Manifold (RH) 1: 1968: 327 - 300 HP (Early) Base: 3914660: 3917291: 3919803: 3872765: 3872778: 2: 1968: 327 - 300 HP (Late) Base: 3914678: 3917292: 3919803: 3872765: 3872778: 3: 1968: 327 - 350 HP L79: 3914678 . L-88 camshafts suffer with the exhaust log manifolds. 68-69. 10036033. #879 manifold has some pitting and casting numbers on the front side are kinda hard to read. L 3909879 for 396, 67-70 Camaro, Chevelle, Nova All. $22.99. Killed the bottom end; added maybe 10 HP at the top. . Ray. Condition: Good. Chevy V8 BBC Block and Head Casting Numbers. Here are the correct manifolds (these are w/o smog ) 1964-1972 Chevelle Big Block Exhaust Manifolds Without Smog. It has been cleaned, shot blasted . smog bosses. BBC Engine Block Casting Numbers Casting # Year CID HP/RPO/Comments/Applications 340220 1972-76 427 tall truck 345014 1974-86 454 truck 346236 1974-76 454 215, 2 bolt 359070 1974-90 454 truck 361959 1973-85 454 car & truck 364776 1968-84 427 tall truck 364779 1968-88 366 tall truck 473478 1968-84 427 tall truck 3782870 1968-76 427 tall truck 3992386. Casting Number: Years. BBC Cylinder Head Casting Numbers RECTANGULAR PORT - Valve size 2.19 intake, 1.88 exhaust IP = Intake runner volume OVAL PORT - Valve size 2.06 intake, 1.72 exhaust BBC Camshaft Part Numbers Note 1: 80 deg overlap, 396 375hp L-78/L-89, 427 425/435hp L-71/L-72, 454 450hp LS-6, HP street This used 2 1/2 inch manifold, (GM Casting Number 3892307, GM Group Number 3.601), is used on 1965 65 1966 66 and 1967 67 BBC full size passenger cars including the Chevrolet Impala, Bel Air, Caprice and Biscayne full size cars with 396 or 427 engines. Asking Price: $400.00.
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