Olds 307 performance upgrades. DRILLED FOR 1/2" HEAD STUDS.
Olds 307 performance upgrades All Sep 3, 2011 · Statistics Last Post Sticky: Oldsmobile 307 Performance Builds by SalonCutlass85 Started by SalonCutlass85, 01-28-2009, 01:14 PM 3 responses 7,902 views 0 reactions Last Post by StrangeWays 12-24-2021, 09:39 AM Spark plugs by Selene Leland Started by Selene Leland, 03-26-2023, 08:09 AM 1 response 67 views 0 reactions Last Post by 88hurstolds 04 Page 1 of 2 [ 17 posts ] Go to page 1, 2 Next Previous topic | Next topic Author Message valley olds Post subject: Vin Y 307 Performance Rebuild Posted: Wed Jun 17, 2009 8:44 pm TOC Member Joined: Tue Jul 10, 2007 9:56 am Posts: 46 Location: Edinburg, Texas Dec 1, 2004 · I have gained a tremendous amount of knowledge regarding possible performance upgrades for the 307 through your assistance. Honestly, the HO 307 is the WORST Performance G body engine that was offered, and stock it did 0-60 in 9. Get the Best Performance with Sealed Power Hypereutectic Pistons Oldsmobile 307 ci V8 [3. This cylinder head is identifiable by its #142 or #7A casting number. My rough estamate on power production is Dec 26, 2014 · While it is an interesting build with all the machine work, custom parts, pounds of epoxy and ridiculous amount of man hours it just further validates why not to waste time on a 307 for a performance application. A regular Edelbrock Performer intake (the RPM or the Air Gap would be too much), no more than a Carter 500 cfm AFB, 1-1/2" primary headers, a regular HEI, and a cam with ~ . Then add a converter that stalls ~ 2,400 rpm and you should be happy. May 1, 2008 · I have an 86 olds cutlass supreme and my goal is to have some good power and mean look. Featured Products I hope this site will help you get better performance out of your 307 or any small block Olds because anything that will work on a 307 will also work on a 77 and later 350 or 403 especially if you have swaped a 350 or 403 in the place of your 307. Sep 4, 2020 · Engine expert Jeff Smith gives a reader engine building advice for squeezing the most performance out of a humble 307 small block Chevy V8. 5-inch bore pretty May 1, 2011 · We help a user get more power with an rare Oldsmobile 403 engine. This is the high performance solution instead of headers for Oldsmobile small block V8 engines. 08 posi 8. d. I want to know exactly what performance parts or aftermarket parts will work and fit right. sion replacement. I am hoping I can get some help identifying exactly what motor this Apr 21, 2009 · Well, the best bang for the buck is to find a good Olds 350 or 403 and install it in place of the 307. Also it is the stock shift points in all The Oldsmobile V8, also referred to as the Rocket, is a series of engines that was produced by Oldsmobile from 1949 until 1990. Mar 25, 2023 · Regarding the Oldsmobile 307 and horsepower, earlier this year I visited with the good folks at Mondello Performance in California. i. Eddies builds many oldsmobile motors a year with many different performance configurations that depends on the car and customer wants and needs. If you are restoring your early Oldsmobile we can upgrade the horse power and still keep it looking original. Although a member of the Olds small-block V8 family, the 260’s tiny 3. 9 swap, auto and 3. Video: This time HorsePower rescues a discarded Olds 350 for a budget build. Jun 12, 2002 · As for people like tom, dont listen to them unless they KNOW oldsmobile, oldsmobile always does something different to make things propritory, or something strange (anybody ever wonder why the 307's made 245 lbs T, and the chevy's only near 200??) to make themselves different from other GM products, the most compatible parts for olds, typicly There is no other place in the world that has more experience with performance Oldsmobile engines. To date we have logged in over 42+ years of extensive dyno and on track testing. The Rocket, along with the 1949 Cadillac V8, were the first post-war OHV crossflow cylinder head V8 engines produced by General Motors. Many of these fast oldsmobile engines find homes in cars like the cutlass, 88, 98, or the 442 Oct 4, 2018 · I don't like it, it might actually live a long life. Standard Bore H801CP parts at JEGS. It’s a great engine for what it was supposed to do: reliable, good fuel economy, quiet, torquey. 0L/307 Summit Racing In Stock Filter Options, Vendor In Stock Filter Options and get Free Shipping on Orders Over $109 at Summit Racing! Feb 5, 2014 · IIRC there's only 2 companies making Olds 307 headers. Installation Notes: Recommended intake gasket: Jegs 555-210700 Dec 10, 2005 · Keep the performance upgrades modest and you can really liven up your 307. Follow along and see how much horsepower it made. They will fit 1964 - 1988 small block Oldsmobile 307, 330, 350, 403. Feb 24, 2003 · The 307's best attribute is fuel economy on the highway with obviously good emissions performance (the miles of vac hose under the hood not considered). Keep in mind this is for those diehard 307 fans, if you don't have much expertise in engine work and want cheep performance there is no replacement for more Oldsmobile cubic inches. His expertise has led to many innovative and custom machined engine components designed to find horsepower just waiting to be unleashed. Please call us for details. Oldsmobile Performance and Racing Engines By Eddies Oldsmobile performance and racing engines are the most popular motors that go through our machine shop. Any suggestions out there on intake, headers or overall performance parts in general? thanx. carcraft. e resurfaced) on Rottler or Sunnen equipment. Jan 30, 2014 · I’m not gonna pull any punches here: The little-bitty 260 Olds isn’t worth hot rodding. b Feb 1, 2008 #1 i am in the mittle of geting a 88 cutlas supreme with a 307 (olds) and 4spd auto and i was wondering what would be good performance upgrades to the motor as i never owned a 307 (olds )before i heard of 2 diffrent head castings and roller cams and all that stuff before but keep in mind i am not trying to make a race car out A-Team Performance Oldsmobile Small Block/Big Block 65K COIL HEI Complete Distributor 260 307 330 350 400 403 425 455 1-Wire Instillation Adjustable vacuum advance canister to improve economy. Joe Oldsmobile 350/455 Serpentine Crankshaft Pulley Upgrade your classic Oldsmobile with the March Performance Double Groove Serpentine Crankshaft Pulley, engineered for 350 Rocket and 455 engines. I am helping my neighbor with his Oldsmobile 307 engine, to drop into his 1986 Cutlass. A lot of people say they can't rev very high. Fits 307 Oldsmobile e Nov 18, 2021 · Here's a performance build-up of the often-overlooked 307 small block Chevy V8. Oldsmobile 307 Parts in-stock with same-day shipping. i am going to push the limits of an engine, trying to get at least 200 hp IF that LOL. 050). first i would like to know if anyone would Shop Oldsmobile 307 Parts and get Free Shipping on orders over $175 at Speedway Motors, the Racing and Rodding Specialists. We build every engine with our own highly trained & experienced S&J machinists, assemblers, and technicians at our facilities in Spokane, Washington, and we ship nationwide. Feb 12, 2007 · Performance building a Chevy 307 small block and getting some surprising results - Super Chevy Magazine POWERHOUSE has thousands of stock and high performance parts for cars and trucks. ported 5A heads, an Edelbrock Performer intake, and Edelbrock 800-cfm Thunder AVS carb. Through our research and development program we have learned exactly what these Oldsmobile engines are capable of, mechanically and throughout many different horsepower and torque levels. All a roller 307 vin 9 motor needs is a set of 5A heads off of an 85 and below 307 and the A4 intake to make some real power. 5" Type "O". Feb 5, 2014 · I have an olds 307. I’ve had 4 Olds 307s: 1981 Olds 98, 1986 Chevy Caprice wagon, 1989 Olds Custom Cruiser, and a 1987 Pontiac Safari. The engine building team of Robinson Analytical took to the dyno stage for the first time in Engine Masters competition yesterday. Who is online Users browsing this forum: No registered users and 3 guests Feb 7, 2004 · The reason for the poor figures in the 1986-90 307 9s is because oldsmobile went to heads that had the same intake and exhaust runner size that chevy uses (6A, 7A, small tubular instead of large square bore). With over 50 years of engineering experience under his belt, Mickey specializes in designing and modifying Oldsmobile engine components to obtain maximum horsepower and performance. I concur that for best emissions performance and to keep inspectors from declaring the vehicle "modified" at inspection time, using an Olds 350 or 403 that drops in and looks factory would be Oldsmobile High Performance High rise intake manifolds have a high-rise, dual-plane design. Oldsmobiles and 1980-1/2 to 1985 307-inch engines with 5A heads (casting #3317). 0 307, model years 1985-1990. In fact, many performance engine merchants you find market and sell S&J performance engines under their label. I know someone's gonna tell me to get a 350 but I'm a 16 year old with a low budget! Any help would be highly great. 450 lift. 0L/307 JET Performance and get Free Shipping on Orders Over $109 at Summit Racing! Apr 5, 2016 · So I just purchased a 70 chevelle with, I'm being told the original rebuilt 307. NOP offers many new and modern internal engine parts like Mahle Motorsports Forged pistons for 350, 400E and 425 Olds. DRILLED FOR 1/2" HEAD STUDS. Like all other GM divisions, Olds continued building its own V8 engine family for decades, adopting the corporate Chevrolet 350 Designed for 330-350-403 c. Get the real compression ratio up to 10-10. Each kit is custom assembled using parts based on your engine’s requirements. Shop Now at the Guaranteed Lowest Price! 307 4 Barrel Hurst Olds 442 Cutlass carburetor feed line 307 4 barrel Hurst Olds 442 cutlass Carb feed line. Jan 28, 2009 · Canadians Dale and Glen Robinson build a 434hp Olds 307 without spending a fortune. The 307 is an over looked 5-liter engine. Our Distributor is comprised of Brass Terminals, multi-polymer protective caps, a CNC Machined and Polished Aluminum shaft, and a chrome moly gear. you can fix that. 3-angle valve jobs are performed on Sunnen seat and guide machines before being milled (i. We offer a full machine shop, in house engine dyno, and parts supplier serving the local Wisconsin area and worldwide. The high performance exhaust manifold that GM never produced. Our High Performance High Rise manifolds have larger plenums and runners to match the free-flowing exhaust, high-lift cams, and other modifications of a high-output engine. I have ordered manuals from Mondello to learn more about the specs on the OLDS engines. Dec 25, 2009 · I am going to venture into un scouted territory here. I know nothing about olds motors, and very little about classic carb'd motors to begin with. I would like to add horsepower to the 307, what is the Most effective and easiest way? Thanks. 50:1 for 92 octane gas . They produce incredible top-end horsepower, while retaining good throttle response. Precision CNC-machined for balance and durability, this GIVE US A CALL FOR ALL YOUR OLDSMOBILE PARTS NEEDS! WE ALSO OFFER A FULL MACHINE SHOP, ENGINE BUILDING / MACHINING , DYNO Details This MABBCO cylinder head is for a GM Oldsmobile 5. 800 in. 0 Oldsmobile V8 built as the very last Carburetor Engine capable of passing emission tests. These manifolds were conformed from the 1970 455 W30 manifold and custom fit to the small block for all proper clearances. 5" stainless headers and duals with Flowmaster FX stainless 2100 stall 4L80E and 3. Mar 14, 2010 · Robinson Analytical - their 307 Oldsmobile (316 ci) Started with a stock late-model block, an OEM Olds forged crank, Eagle rods, Ross pistons, and a COMP cams cam (. Also, on the show the HorsePower guys show you how to tune your truck hauler for better performance and fuel economy. In 1987 Olds put a 5500 Red line tach in the 87 442, must have been a reason, although its still lower then most Chevy red lines. Jan 28, 2009 · May seem like a large investment but these parts can be found in the bone yard and if you can find a wrecked Caddy with a VIN 9 motor then your set. For over 30 years, Bernard Mondello Racing Enterprises has been a leading name in the field of Oldsmobile heads, small and big block Chevrolet, small block Ford, and aftermarket performance parts. 633-/. Find OLDSMOBILE 5. 592-inch lift, 235/239-at-. Oldsmobile performance and racing engines are the most popular motors that go through our machine shop. 92 no slip, project nightmare, 2017 Dodge Challenger Find Oldsmobile Performance Parts, Accessories, and Upgrades for Your Vehicle. My plan is to replace the stock heads with 400 bbl olds heads, custom 2-1/2 dual exauhst, edelbrook 650 cfm AVS carb with performer intake, and 3. If its Oldsmobile powered, we want to know about it, and make it go faster! Yes! We build the best performance engines available, anywhere. Time for twin Torque Storm time! Glad I don't a valuable car like a Hurst/Olds, it would be tempted to try Mark's billet 4" stroker crank in the numbers matching 307. The downsides of headers are poor fitment/poor sealing to exhaust ports/gasket failure, rust, unwanted extra heat in the engine bay (get ceramic coating), problems with them touching/hitting other parts of the car, & making spark plug changes a ****. 67 overdrive. I think they are looking at the low "yellow" lines on their early rally pacs. = 434. Remanufactured Engines Oldsmobile Olds CHECK OUT THESE OUTSTANDING FEATURES: RAISED EXHAUST PORTS THAT ACCEPT STANDARD FLANGES USES OLDSMOBILE HARLAND SHARP ROCKERS OR COMPARABLE. Jan 29, 2010 · hi all again im tryin to sqeeze as much power as possible outa my 307any suggestions are welcome and if possible please tell me how much these parts cost or how to do them i recently did a complete tune upcap rotor plugs wires,oil,oil filter,engine flush,k&n filter,pcv valve,carbon Today with the vast array of performance parts available we can turn your Oldsmobile from a mild 300 horse power grocery getter to a wild tire smoking 475 horse power animal. Jun 10, 2005 · The 307 is a good engine--reliable, decent gas mileage, easy to find parts for, and it comes with a 4-bbl Quadrajet! First off, it depends on what version of the 307 you have. In the 80's emissions were a big concern, not performance. 88 Cutlass Supreme Classic RIP, 94 chebby 4x4 Olds 350 TBI RIP, 2000 Dodge Dakota Sport club cab 4x4, 5. I want to keep the car as original as possible but still have alil speed under the hood without changing the engine. As I have located both a rebuilt 70-71 OLDS and Buick engine, so my options for increasing horsepower are providing many possibilities. With a frugal selection of performance upgrades, the goal is to double the original factory horsepower output. A Street performance 307!! if your one of those guys that says switch it to a 350 then do not read further. Check out Jeff Smith's responce to this and other questions at www. 8 hp@5,900rpm. Oct 17, 2009 · need help on rebuilding and addn performance to my v8 307 engine. We are known for our high quality,attention to detail and meeting our customers goals. The world's absolute lowest prices since 1985. This is a direct replacement line for your 4 barrel… Aug 15, 2009 · Hey everyone, I would like your personal experiences and thoughts concerning the 5. May 23, 2022 · QUESTION: How to make a high horse power Oldsmobile 307 V8 ChatGPT ANSWER: Building a high horsepower Oldsmobile 307 V8 engine involves several key steps and considerations. 73 gears (posi). Here’s a general guide on how to approach this: Engine Internals Upgrades: Cylinder Heads: Upgrade to aftermarket aluminum heads for better flow and performance. This MABBCO® Master Engine Kit is for an Oldsmobile 307 5. The 307 can easily achieve the magical threshold of 1 hp per cubic inch, with the following: High compression pistons Edelbrock Aluminum Cylinder Heads Edelbrock PISTONS, RINGS, AND KITS - Dick Miller Racing Inc Performance coatings for pistons, bearings, etc. The stock zs cast flow is pretty modest. I am an LS guy. MABBCO cylinder heads are cleaned, inspected, and machined on state of the art equipment. You have a 442, so you already have 3. Nov 1, 2009 · Read about the Oldsmobile 307 Engine and see pictures as it gets built under an impossibly small budget with an Edelbrock Performer RPM intake manifold, Ross custom pistons, and MSD ignition Welcome to NewOldsPerformance, your ultimate destination for Oldsmobile Street Performance parts for your 60's, 70's and 80's Oldsmobile. Feb 2, 2008 · Master Mechanic Feb 25, 2007 281 34 28 baie st anne n. Jul 9, 2020 · Re: olds 307 build by F-BIRD'88 » Fri Jul 10, 2020 3:16 am If you can port the heads and get the flow up to the 225 to 230 cfm (in) and 150cfm ++ ex even with the stock valve size you'll do pretty good. Rocket Racing & Performance is a custom engine building facility that specializes in Oldsmobile Performance. 73 gears which is about the shortest gear you would want on the street, even with a . Find OLDSMOBILE 5-0L-307 OLDSMOBILE-V8 Parts and Accessories In Stock Filter Options, Vendor In Stock Filter Options and get Free Shipping on Orders Over $109 at Summit Racing! Oct 21, 2020 · Hello all! New guy here. Apr 28, 2013 · 1970 Olds Cutlass S, Forced Air Olds 358 custom Qjet by me , 2. 0 motor, model years 1980 through 1984 with non-roller lifters. 7/16"CAN BE USED WITH NO ISSUES AND DRILLED FOR 3/8" PUSHRODS CUSTOM ENGINEERED GUIDEPLATES FOR THE ABSOLUTE BEST ALIGNMENT. . Size matters. com, the official website for Car Craft Magazine. The Performer RPM Olds manifold is a high-rise, dual-plane design with 180° firing order engineered for maximum top-end horsepower while maintaining throttle response. 8 seconds, compared to the HO 305 doing it in about Oldspower is the Original Oldsmobile Performance Site. I heard that this motor was better quality than the Chevy 305 and Oldsmobile 307 High-Output being produced at the same Remanufactured Engines Oldsmobile Olds.