Chevy 366

Push Rods + $50.68. Rocker Arms + $183.60. $873.32. Add to Cart. This Master Engine Rebuild Kit Includes: Complete Gasket set (Including seals), Pistons, Rings, Rod Bearings, Main Bearings, Cam Bearings, Oil Pump, Freeze Plugs, Cam Kit (Camshaft, Lifters), Timing Kit.

This MABBCO® Remanufactured Premium Long Block is for a GM Chevrolet 6.0 366 motor, model years 1968-1990. This long block is identifiable by its 2pc. rear main seal, its chain driven camshaft, and its #779, #724, #852, #296, #274, or #282 block casting number. Each MABBCO® long block is custom assembled as ordered so please allow 5 business ... ACDelco Conventional Resistor Spark Plugs 19354432. Spark Plug, Conventional Resistor, Nickel Alloy Tip, Tapered Seat, 14mm Thread, Each. Find CHEVROLET 6.0L/366 Parts and Accessories and get Free Shipping on Orders Over $109 at Summit Racing!boss wants me fix the rear main seal on his 1971 gmc 6500 boom truck , according to the paper work it has a chevy 366 and i have searched google and napa,kragen etc online and i can not for the life of me figure out where to buy parts. summit has no 366 chevy/gmc motor listed, nor do any of the normal 1/2-1 ton chevy or gmc's …Find CHEVROLET 6.0L/366 Chevy big block Mark IV Flywheels and get Free Shipping on Orders Over $109 at Summit Racing!The BoxWrench Engine Specs Database is a community resource for mechanics of all skill levels to access a reference library of Firing Orders, Distributor Rotation Directions and Block-Cylinder Numbering as well as Torque Specs, Timing Settings and Cylinder Head Tightening Sequences among other engine specs.22 May 2020 ... Man I love the sound of a 366 big block! #chevy #farmlife #Merica.$366.99. Add To Cart. $366.99. Accel . MSD Ignition 8362 - Street Fire Chevy V8 GM HEI Distributor Red Cap $235.95. Add To Cart. $235.95. ... Chevy distributors are interchangeable among most GM small-block and big-block V-8 engines excluding the 348 ci, 409 ci, and tall deck engines.

Find CHEVROLET 6.0L/366 Pistons V8 Engine Type and get Free Shipping on Orders Over $109 at Summit Racing! Use your Summit Racing SpeedCard today, and get up to 10% back - Get Details! ... Cast, Flat, 3.957 in. Bore, 3/32 in., 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Big Block, Each. Part Number: UEM-S1435D-020. Not Yet Reviewed ...CARTER Mechanical; Chevrolet Trk. 50 Series 366/6.0L, 427/7.0L 1985; Chevrolet Trk. 60, 70 Series 366/6.0L, 427/7.0L 1985-90; Chevrolet Trk. Med. Duty 366/6.0L, 427/7.0L 1985-87; Chevrolet Trk. P60/6500 Series 366/6.0L, 427/7.0L 1985-90; (More) with 3 Line Pump; Long Pump Housing. CARTER . $15.96: $0.00 ...Aug 22, 2012. #1. The engines are good. The fuel injected is a lot. better than the carb version but almost all 366's. whether it's in the bigger trucks or the 6.0 litre. in the pick ups, seem to have a problem with the. right side exhaust manifold cracking. I have a 366. This MABBCO® Master Engine Kit is for a GM Chevy 366 6.0 motor, model years 1991 through 1998. The late model 366 engine is identifiable by it's 1pc. rear main seal. Each kit is custom assembled using parts based on your engine’s requirements. Accordingly, we need to know the following: (1) model & year, (2) piston & ring size, and (3) rod ... Subject: chevy 366 problems. ks. Have a '73 C-65 with a 366 engine. Was having problems with the hei distributor. Replaced it and was having it re-timed. Was driving it home and it run fine. Until it shut down like you turned the key off. Coasted into the driveway. Tried to start it, and it acted like the starter was locked up.

Find CHEVROLET 6.0L/366 Valve Covers & Dress-Up Kits and get Free Shipping on Orders Over $109 at Summit Racing! Use your Summit Racing SpeedCard today, and get up to 10% back - Get Details! Vehicle/Engine Search Vehicle/Engine Search Make/Model SearchFind CHEVROLET 6.0L/366 Intake Manifolds, Carbureted Tall deck Engine Block Deck Height and get Free Shipping on Orders Over $109 at Summit Racing! ... Intake Manifolds, Carbureted, Sniper Big Block Chevy, Tall Deck, Single-Plane, 1 Carb Capacity, Aluminum, 4-barrel Square Bore, Chevy, Big Block, Each. Part Number: PFH-206-10RP. …559 posts · Joined 2009. #9 · Dec 24, 2014. With the ones we had, the 366 was the better engine. 427's had more problems, took a couple out, replaced them with 366's. 427 is apparently basically the same engine, just bored out. The thinner cylinder walls had cracking issues at times.Nov 28, 2009. #11. surfer-joe said: The 366 was a good motor, lots of low end torque and they are not near as bad as a 370 Ford on fuel consumption. I always found their fuel and ignition systems less tempermental than a Ford. Instead of an overhaul you might look into a crate engine from a Chev or GMC dealer.CHEVROLET 6.0L/366 Chevy big block Mark IV - Free Shipping on Orders Over $109 at Summit Racing. Sort By. Default Sort Product Line (a-z) Product Line (z-a) Part Number …

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Chevrolet is an American icon, known for the Camaro, Corvette, Malibu, Impala and more. Take this quiz to see if you can recognize the most memorable '70s Chevys! Advertisement Adv... This MABBCO® Remanufactured Premium Long Block is for a GM Chevrolet 6.0 366 motor, model years 1968-1990. This long block is identifiable by its 2pc. rear main seal, its chain driven camshaft, and its #779, #724, #852, #296, #274, or #282 block casting number. Each MABBCO® long block is custom assembled as ordered so please allow 5 business ... CHEVROLET > 1977 > MEDIUM DUTY TRUCK > 6.0L 366cid V8 > Ignition > Distributor. Price: Alternate: No parts for vehicles in selected markets. Remanufactured . CARDONE 301845 Remanufactured Info . with Vacuum; Electronic Distributor [Wholesaler Closeout-- 30 Day Warranty] CARDONE 301845. $52.79: $0.00 + Sold in packs of 1 x ...Average lifespan of 366: 500,000-650,000 miles. Fuel supply type: carburetor. Power range: 230-275 hp. Fuel efficiency: awful. Engine block material: cast-iron. …There can be any number of reasons why you may need to remove the inner door trim panel on your Chevy Tahoe. You'll need to remove it if you have to work on components like the win...Year: 1985. Coachwork: blue bird. Chassis: gm. Engine: 366. Rated Cap: 25. 1985 chevy 366 replaced with a 1984 454 out of an rv. so my 1985 chevy 366 does have a thrown rod. ive been looking for a replacement 366 but havent had much luck. ive thought about rebuilding the one i have. but today i came across a 1984 chevy 454 thats still in …

CHEVROLET 6.0L/366 Holley Distributors. Filter by Availability Filter Results Individual Parts. Part Groups. Results 1 - 2 of 2 25 Records Per Page Default Sort . Holley EFI Dual-Sync Distributors 565-204. Holley EFI Dual-Sync Distributors 565-204 Distributors, Holley EFI, Dual-Sync, Hall Effect, Computer-controlled Advance, Male/HEI, Black Cap ...Click image to zoom. $5,716.99. Lowest Price Guarantee. GM 6.0L 366 Truck Engine. 2009-10 Chevy/GMC Truck/SUV/Van. Variable Valve Timing (VVT) See more product details. Free Shipping - Availability Date Unknown. QTY.CHEVROLET 6.0L/366 Chevy big block Mark IV Exhaust Manifolds. Filter by Availability Filter Results Filter by Vehicle Individual Parts. Part Groups. Results 1 - 8 of 8 25 Records Per Page Default Sort . Dorman Exhaust Manifolds 674 …ACDelco Conventional Resistor Spark Plugs 19354432. Spark Plug, Conventional Resistor, Nickel Alloy Tip, Tapered Seat, 14mm Thread, Each. Part Number: ADO-R44T. ( 20 ) In Stock (more than 16 available) Estimated Ship Date: Today. Mfr. Rebate. $3.79.The LC8 version of the Vortec 6.0 engine is designed to run on either gasoline, liquified petroleum gas (LPG), and compressed natural gas (CNG) fuels. Compared with gasoline, both the LPG and CNG versions make less horsepower and torque. The compression ratio is 9.7:1, and the LC8 uses an iron block and aluminum head.Posted 6/2/2013 21:26 (#3134434 - in reply to #3134158) Subject: Re: 1977 chevy 366 won't start. Black Hawk County, IA. Pull left side valve cover, make sure you are on compression stroke, check timing mark, take dist cap off and make sure rotor is at #1 terminal. That will get you close w/ignition.The 366 was designed to provide generous low-end torque, primarily used in medium-duty trucks and school buses from the mid-1960s to 2004. The 402-cubic-inch …GM may be replacing tens of thousands of Bolt EV batteries, but it won’t have to pick up the tab for most of them. The automaker has reached a deal that will have LG pay nearly all...USED - Gm 366 oil dipstick w/tube. Length: 24. Side: RIGHT. Item:25034546. $34.00. Search our large inventory of New/Used GM 366 Oil Dipsticks for sale. Enjoy our hassle-free online checkout or call to speak to an expert. Push Rods + $50.68. Rocker Arms + $183.60. $873.32. Add to Cart. This Master Engine Rebuild Kit Includes: Complete Gasket set (Including seals), Pistons, Rings, Rod Bearings, Main Bearings, Cam Bearings, Oil Pump, Freeze Plugs, Cam Kit (Camshaft, Lifters), Timing Kit. I got around to doing the swap today. I figure I should post my findings in case anyone else has the same questions I did. My 366 has a square bore intake and the Edelbrock 1405 is a spread bore. The smaller butterflies easily open into the larger bore in the intake. As such, no adapter plate is necessary.

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Find CHEVROLET 6.0L/366 Chevy big block Mark IV Parts and Accessories and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase - Get the App Vehicle/Engine Search Vehicle/Engine Search Make/Model SearchGeneral Specifications. The 366 BBC is a cast-iron block with aluminum cylinder heads. The engine has a maximum towing capacity of 10,500 pounds. The maximum GCWR, …recently purchased a 68 C60 with a 427 2barrel carb. and it is kind of tired but i have a 86 Chevy school bus with a 366 4 barrel and plan to switch the engines out. The …1977 chevy: starter solenoid..a R and a S terminal are..wiring diagram…. On a 1977 chevy C65 with 366 engine the starter solenoid has a R and a S terminal are both used. If possible wiring diagram. The s terminal is used for starter operation -purple wire,the other is for the ignition by pass to the distributor.The carter afb carb should be a bolt on. Since the 366 is not very big cubic inch wise and really made for torque a 600 to 650 should be all you need. A Quadrajet would work well on a 366 as the small primary`s would have made for great off idle torque. A Quadrajet would need a adapter, and as bad as they disrupt flow, they aren`t worth it.big block chevy valve adjustment trouble,no compression. i just put new headgaskets and vakve job on a 366 big block truck motor.i adjusted the valves with engine off.i made sure they were on the base circle then sping the pushrod until it drags then tighten 1\2 turn.when i set them this way it holds the valves open and i have no compression.if ...

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The forthcoming Chevy Bolt and expected improvements in the Nissan Leaf will provide electric car owners with greatly increased driving range at affordable prices. By clicking "TRY...Click image to zoom. $5,716.99. Lowest Price Guarantee. GM 6.0L 366 Truck Engine. 2009-10 Chevy/GMC Truck/SUV/Van. Variable Valve Timing (VVT) See more product details. Free Shipping - Availability Date Unknown. QTY.Mar 23, 2016. #1. Interested in what weight oil you guys would recommend for a 1980 Chevrolet 366 gas engine. Gross vehicle weight about 26,000 lbs. Oils have changed so much over time I didn't know if the owners manual would actually recommend the best oil from what was available today. I do not operate the truck in the winter.Find out why it stuck in the block. Burr on push rod, burr or scratch on pushrod bore, etc etc. Get a new fuel pump push rod if it is damaged at all. Make sure the fuel pump pivot arm is not broken or the pivot arm spring is missing. I believe a sbc fuel pump push rod is the same. There is also a fuel filter in the fuel inlet of a Qjet carb.366 TDBB Chevy truck HEI. I have a 1970 Chevy C60 truck with the 366 gas engine, points style distributor. I want to install an HEI distributor. The oil pump ends are different between the factory points distributor and this new HEI replacement distributor. Also, the gear needs to be changed because the gears are cut @ a different angle.This MABBCO® Master Engine Kit is for a GM Chevy 366 6.0 motor, model years 1985 through 1990. This engine is commonly know as an "early model 366" and is identifiable by it's 2pc rear main seal and dome top piston. Each kit is custom assembled using parts based on your engine’s requirements.PerTronix D71071 Flame-Thrower Race Distributor HEI III Chevrolet Small Block/Big Block Red Cap with multiple. Part Number: PNX-D71071. Not Yet Reviewed. Estimated Ship Date: Today. Free Shipping. $404.95. Add To Cart. Compare. Wish List. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. Find CHEVROLET 6.0L/366 Distributors Steel Distributor Gear Material and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase - Get the App Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Oil Pumps. Stock big-block Chevy oil pumps have been available in two configurations: standard volume or high volume. The difference is merely the length of the spur gears inside the pump housing; standard-volume gears are 1.135 inches long, and high-volume gears are 1.300 inches. Either design fits any standard big-block rear main cap. ….

HPseeker. I found this information on the HOW "TO BUILT MAX PERFORMANCE CHEVY RAT MOTORS" book . "366T Mark IV and Gen.V blocks are used in large ,medium and heavy duty trucks and have tall decks and exceptionaly thick cylinders walls along with four-bolts main caps.they have a standard bore of 3.935" and can be bored .125" over.65-90 CHEVROLET 366 TRK V8 Crankshaft Kit (CH-12250-1) Main image Click to view image in fullscreen. Out of stock. SKU CH-12250-1. $386.48. Description. More Information. 6223, STEEL CRANK W/ 2 PIECE REAR SEAL.Find CHEVROLET 6.0L/366 Chevy big block Mark IV Radiators and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase - Get the App Vehicle/Engine Search Vehicle/Engine Search Make/Model SearchThe BoxWrench Engine Specs Database is a community resource for mechanics of all skill levels to access a reference library of Firing Orders, Distributor Rotation Directions and Block-Cylinder Numbering as well as Torque Specs, Timing Settings and Cylinder Head Tightening Sequences among other engine specs.New and Used Gm/Chev (Hd) 366 Flywheels For Sale Find new and used Gm/Chev (Hd) 366 Flywheels for sale near you. View all 6 Flywheels . Refine your search results. 1-6 of 6; 1; Jump to page; Show Closest First. 25/page 10/page; 15/page; 25/page; 50/page; 100/page; Detailed Detailed View; List View; Best match. Best match; Newest ...CHEVY/GMC 366 BIG BLOCK GAS ENGINE. WEAK RUNNER $750 COMPLETE PART OUT: EXHAUST MANIFOLDS = $150 EACH INTAKE MANIFOLDS = $250 EACH FLYWHEEL = $175 HEADS ...CHEVROLET: 1975: MEDIUM DUTY TRUCK: 6.0L 366cid V8: Engine: Oil Filter: C50. C60. Unspecified. Include vehicles sold in: Hide . Choose for Me to Minimize Cost Choose ...14 Mar 2013 ... 366 to a 454 swap in 96 gmc topkick 7500 ... Will the 366 big block run??? Coy•3.3K views · 14:20 ... 94 Chevy 454 engine swap: Driving the truck!Push Rods + $50.68. Rocker Arms + $183.60. $873.32. Add to Cart. This Master Engine Rebuild Kit Includes: Complete Gasket set (Including seals), Pistons, Rings, Rod Bearings, Main Bearings, Cam Bearings, Oil Pump, Freeze Plugs, Cam Kit (Camshaft, Lifters), Timing Kit. Chevy 366, The Chevrolet 366 engine has been a long-lasting design in Chevy's lineup of trucks. According to the Truck Trend website, this big-block engine comes standard in the Chevy Silverado 2500 and 3500 models. It has more torque and horsepower than 10-cylinder engines made by both Ford and Dodge and is rated highly by ..., Chances are the cause of the defective light or brake lights circuit on your Chevy Silverado is a simple problem. Moreover, you can blame most of these problems on little or no mai..., Mar 3, 2009 · The 366 truck crank is forged if its the original crank, and has really big counterweights. It will go right into any standard deck block with no modifications but has to be rebalanced for the much lighter passenger car pistons. Because there are large counterweights, its just metal removal. The crank flange is exactly the same as the passenger ... , Find CHEVROLET 6.0L/366 Chevy big block Mark IV Radiators and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase - Get the App Vehicle/Engine Search Vehicle/Engine Search Make/Model Search, Car shoppers, take note: The Chevy Volt has received a $4,400 price cut amid low sales and a new model. By clicking "TRY IT", I agree to receive newsletters and promotions from Mon..., big block chevy valve adjustment trouble,no compression. i just put new headgaskets and vakve job on a 366 big block truck motor.i adjusted the valves with engine off.i made sure they were on the base circle then sping the pushrod until it drags then tighten 1\2 turn.when i set them this way it holds the valves open and i have no compression.if ..., The BoxWrench Engine Specs Database is a community resource for mechanics of all skill levels to access a reference library of Firing Orders, Distributor Rotation Directions and Block-Cylinder Numbering as well as Torque Specs, Timing Settings and Cylinder Head Tightening Sequences among other engine specs., 366 tall deck block is usefull for 1 thing IMO and that is to rob the steel crank and the steel 4 bolt caps. Well if it is running it makes something deccent to move things around but I wouldnt ever put omoney into one. a 366 is a 3.76" stroke. just like the 396 402 427 and a tall deck 427 a 454 is a 4" stroke., CHEVROLET 6.0L/366 Valves. Filter by Availability Filter Results Filter by Vehicle Individual Parts. Part Groups. Results 1 - 13 of 13 25 Records Per Page Default Sort . Brodix Cylinder Heads Exhaust Valves BR 81138. Brodix Cylinder Heads Exhaust Valves BR 81138 Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .342 in. Stem, 5.494 in ..., RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. , Find CHEVROLET 6.0L/366 Oil Pumps High-volume Oil Pump Volume and get Free Shipping on Orders Over $109 at Summit Racing! ... Chevy, Big Block, Each. Part Number: SLP-224-4153. 4.0 out of 5 stars. Estimated Ship Date: Today...Loading Estimated Ship Date: Today. 1 Page 1 of 1 Modal Header. ×. Call To Order ..., CHEVROLET 6.0L/366 Chevy big block Mark IV Spark Plugs. Filter by Availability Filter Results Filter by Vehicle Individual Parts. Part Groups. Results 1 - 23 of 23 25 Records Per Page Default Sort . NGK V-Power Spark Plugs UR4. NGK V-Power Spark Plugs UR4 Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. Reach, 5/8 in. Hex, Projected Tip ..., Shop 366 Chevy Big Block V8, Engine Parts and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. REWARDS. ... MSD 85561 Chevy Billet Distributor Ignition Kit, 6425/8202/31229. Cap Type: HEI / Male. Advance Type: Mechanical. $1,027.80 /kit. Add to Cart., Of the two engines, the 366 Chevy is the older. Way back in 1967, Hank came up with the 366 combination, using a 350 block, a 3.48-inch 350 crank kicked out to a 3.562-inch stroke, a .030-inch ..., garage.wiki is a community driven DIY car service knowledge base. Decided to service or overhaul your Chevrolet gasoline Big-block Mark IV 366 CID (6.0 L) ..., Get ratings and reviews for the top 12 foundation companies in Chevy Chase, MD. Helping you find the best foundation companies for the job. Expert Advice On Improving Your Home All..., The firing order 1-8-4-3-6-5-7-2 applies to engines like the 366 Chevy, 396 Chevy, 402 Chevy, 427 Chevy, 454 Chevy, and 502 Chevy. This firing sequence ensures that the spark plugs ignite in the correct order, maximizing engine performance. When the piston is at Top Dead Center on the compression stroke, the distributor’s blade should align ..., Flowkooler's 1684 pump fits the 1969-1980 Big Blocks. It has a CNC machined billet impeller designed with an increased vane count and a reduced impeller clearance to achieve greater flow rates, higher head pressure and a more efficient flow than other OEM water pumps. Type II Class II military grade anodize surface coating., Jan 6, 2021 · Chassis: Chevrolet B-Series. Engine: 366 V-8. Chevy 366: Thoughts on Throttle Body Injection. I have a Gillig-bodied '67 Chevrolet chassis with a 366 motor. It's fitting with a Holley 4150. I am not looking for power gains, just good drivability with minimal fussing. What intrigues me about throttle body injection (TBI) is good performance in ... , My old grain truck w/366 gas wouldn't pull the hat off your head, so new carb, new plugs, new module in distributor, new dist cap, changed timing closer to 12degrees BTDC, now wont't start. Tried 20 to 22 degrees BTDC same thing. ... 18436572 is the firing order for a V-8 chevy. If it runs and you are pointing at #2, then you are on the ..., Find CHEVROLET 6.0L/366 Header and Exhaust Manifold Gaskets and get Free Shipping on Orders Over $109 at Summit Racing! ... Manifold, Steel Core Laminate, Chevy, Big Block, Set. Part Number: FEL-MS90206. 5.0 out of 5 stars. Estimated Ship Date: Tomorrow...Loading Estimated Ship Date: Tomorrow. Fel-Pro Exhaust Manifold Gaskets …, 20 Aug 2019 ... It features the big-bore block at 4.25 inches but the same 3.760-inch stroke as the 366/396. 454ci:Chevrolet added the 454 in 1970, with the ..., 8409 posts · Joined 2012. #5 · Mar 21, 2016. BBC heads come in rectangular port, oval port, and truck small 'peanut' oval ports... the 366 is a truck only engine, so surprised it would have heads with bigger ports than a 454 engine... sounds like some previous swapping of heads has occurred... even the peanut ports are big compared to SBC ..., Mar 23, 2016. #1. Interested in what weight oil you guys would recommend for a 1980 Chevrolet 366 gas engine. Gross vehicle weight about 26,000 lbs. Oils have changed so much over time I didn't know if the owners manual would actually recommend the best oil from what was available today. I do not operate the truck in the winter., Since 1952, Speedway Motors has been committed to providing a broad selection of high-quality, affordable Starters for Big Block Chevy 366 - in stock and ready to ship to your doorstep. With 4 Big Block Chevy 366 Starters for sale, and a variety of options available, you're sure to find the ideal custom or universal Starters for your application. , The 366 big block is one of Chevrolet's big block engines. The big block Chevrolet (BBC) was mainly used on school buses and medium-duty pickup trucks. Chevrolet ended production of the 366 BBC in the 1990s. The GMC Silverado 2500 and Sierra 3500 are two examples of pickup trucks that used the 366 BBC., The deck height is 10.2 inches instead of 9.8 to compensate for an extra piston ring, the crank and rods on the 427T are the same as a 427, the crank is the same stroke on a 427t as a 396 and 427 but the second counterweightis a little larger. The heads are interchangeable but the intakes on the 366T and 427T are wider to compensate for …, Also dont forget the Stock tall deck heads are pretty lame. And the stock giant 4 ring pistons are very heavy. Also the 366 has a very small bore, those motors are universially considered junk and the only good part is the crank. The 427 is only good for the block and crank, and the forged crank is usually sold off and a big stroker crank is used., 1/4" INSULATED HOLLEY CARBURETOR BASE GASKET CHEVY TRUCK 366 427 FORD 390 460ENG. Opens in a new window or tab. New (Other) $14.25. Save up to 10% when you buy more. Buy It Now. graygracy (49,404) 96.4%. Free shipping. New 4 Barrel for Holley Model Carburetor 600CFM Street Warrior 0-80457S Polished., USED - Gm 366 oil dipstick w/tube. Length: 24. Side: RIGHT. Item:25034546. $34.00. Search our large inventory of New/Used GM 366 Oil Dipsticks for sale. Enjoy our hassle-free online checkout or call to speak to an expert., , 559 posts · Joined 2009. #9 · Dec 24, 2014. With the ones we had, the 366 was the better engine. 427's had more problems, took a couple out, replaced them with 366's. 427 is apparently basically the same engine, just bored out. The thinner cylinder walls had cracking issues at times., The 366 was the long-standing standard workhorse of the C5500 - C7500 GMCs. It is a reliable, torquey engine with a strong bottom end - runs happiest below ~4,200 RPM. It is by no means economical; in fact, somewhat fuel thirsty. Works well coupled through an Allison automatic or 6-speed manual with button clutch, but generally prefers …