I use Autolite 605 spark plugs in it. What really makes this plug stand out is the copper core center. The Vortec head uses the newer tapered-seat style spark plug (left) while most aluminum heads employ the gasketed style spark plug (right) with the longer 0.750-inch thread length. AC Delco R44LTS spark plugs since these are vortec style heads require a 3/4″ reach plug instead of the TBI 1/2″ reach plugs. Spark Plug Failure from Carbon Buildup – Vortec 5.3. They are what's factory listed for a 96-99 Chevy pickup with a 350. AFR LT-1 / LT-4 / Vortec Heads/ Late Model TBI/TPI Heads - Your factory accessory bolts and center bolt valve covers need to be shortened 3/16" or they will bottom out. The most popular thread size for domestic plugs is 14 mm, although a few older Ford engines used the larger 18mm size back in the '60s. This common misconception is not true! These cylinder heads are machined for both center and perimeter bolt valve covers, please see your instructions to avoids oil leaks. I should have been more clear. replaces casting numbers: 14101083, 14096217, 14102191, 14102193, intake runner 176cc / combustion chamber 64cc vortec style, with heat riser / 87 95 intake manifold bolt pattern, center bolt down valve cover holes / angle spark plug, recommended to be replaced in pairs: eq-ch350g: eq-ch350ga: 350: 5.7: 1987 - 1995 In keeping with a tradition of offering only the finest cylinder heads and components available, RHS® has selected the very best spark plug designs in the industry. Because of this, it has become a very popular swap. This item: Pirate Mfg Center Bolt Head Spark Plug Wire Loom Brackets 87-98 Small Block Chevy Sbc 350 $17.79. the head is probably striped. Chevrolet Performance 12691728 SBC Cast Iron Vortec Cylinder Head Chevy Small Block V8, Assembled Cylinder Head Style, Cast Iron, Straight Spark Plug Style. This plug also comes with a nickel-chrome alloy that provides the same benefit. 10/11 The Vortec head moves the spark plug closer to the exhaust valve, … The regular 350 head utilizes a 90 degree intake bolt angle while the Vortec makes do with a 72 degree bolt angle. Copper, of course, is a fantastic conductor of heat, which in this case helps to transfer the heat through your spark plug effectively. Ships from and sold by Pirate Mfg.. Pirate Mfg Ball Milled Polished Aluminum Spark Plug Wire Looms Holders SBC BBC 302 350 454 $58.93. Choosing spark plug wires on the web is an easy task to perform on any parts website. As for my last two spark plug changes, I haven't used any anti-seize and they came out fine until the thread came up about the spark plug breaking in the cylinder head. Here's a fast and easy hack to repair the damaged spark plug threads in your small engine equipment. Not terribly different from your crate engine. • A new spark plug has been released for use in the above vehicles. Due to the different tip design, the gap of the spark plug has also changed. Screw in the spark plug finger tight until the gasket meets the cylinder head. The best spark plugs for your 5.7L Vortec will actually have a Volvo logo on the plug. A vortec 350 head is a vortec 350 head.. Used from 1996-01 in chevy and GMC full size trucks, vans, SUV. They are the good heads I ordered years ago from a speed shop ,I can't think of the name right now but it was something and dickey racing. Clean the spark plug threads and ensure the cylinder head is clean of debris. If you don’t pay attention, it’s very easy to install the wrong spark plug. Most Chevy heads place the spark plug squarely between the head bolts. The new spark plug has an Iridium tip instead of the current Platinum tip. I went to the store and got some anti-seize. How To Choose The Spark Plug Wires For 4.3 Vortec Engines? Straight spark plug design; No heat risers; Drilled and tapped for 7/16"-14 screw-in studs; Dual bolt patterns for Vortec and early style intake manifolds (early model P/N 10051103; Vortec intakes P/N 12366573, 12496820, 12496821, 12496822 or 12489371) The name "Vortec" can be confusing because GM used that name for … Vortec 5300’s with the LC9 and LH6 engine variations, manufactured from 2007-2011 are prone to fouling spark plugs, which is caused by carbon buildup due to the PCV valve and the valve cover. All the heads for those years are the same. Some people think that angle plug heads produce more power than straight plug heads. The 7.4 L 7400 V-8 Vortec engine was produced from 1996 to 2001 and was a fourth-generation Vortec engine. Recommended Spark Plugs for Vortec Heads. Autolite 605. Spark plugs. I have a set of vortec heads on my 77 Camaro what year heads I don't know,what spark plug do I need to use in a vortec head Right now I am running R42lts plugs. You will be able to find a high-quality plug for the 5.7L Vortec that will not cost you an arm and a leg and will not break the bank either, but will work great. Torque sequence for big block aluminum heads The Vortec technology comes from the word "vortex." 12-22-08 09:59 AM - Post# 1590426 In response to Rick_L I was getting nervous yesterday while removing a pipe plug out of the side of one of my heads and I saw the piston through the spark plug hole on the #1 hole. I've been reading a lot of posts about plug wires and routing. 3. Champion 13 / … In this video, I show how to repair stripped spark plug threads PERMANENTLY. This is a discussion on what spark plugs fits vortec heads on a 350 chevy engine? Read More >> How to Check a Spark Plug. One additional point with Vortec heads is they take a special-length reach spark plug. These are plain $2 spark plugs, not platinum or anything fancy. During the BBC production, the spark plugs changed from gasketed to tapered seat. • The new spark plug, P/N 12571164 with AC Delco P/N 41-985, is gapped to 1.01 mm (0.040 in) when the spark plug is made. The Vortec combustion chamber is a kidney-shaped design that promotes better combustion and will have the spark plug located near the center of the chamber. what spark plugs fits vortec heads on a 350 chevy engine? In reality, the ONLY benefit to angled plug heads is to provide more spark plug boot clearance with some header designs.AdvertisementClick Here to Read MoreAdvertisement The idea of these designs producing more power came from […] The Chevrolet L31 5.7L Vortec cylinder head is the best flowing production head Chevy has made for the Gen I SBC engine to date. Is your spark plug hole stripped or cross threaded? what do I need to run if this is the wrong plug? The LT1/LT4 engines, while similar, do not use the same cylinder heads as a typical GEN I small-block. Go to the website of your local auto repair shop or online parts distributor, and plug in your VIN to find all parts applicable to your 4.3 Vortec engine. Unfortunately, the only remedy here is replacing the full cylinder head. Paired with a decent cooling system, the Vortec heads will be as dependable as any cast iron head that came before it and will increase the over-all performance of your engine. A spark plug’s reach is defined as the length of the threads. Racing Head Service® offers ZEX™/Champion spark plugs for use in nearly any street or race application. Thread reach does vary, but … The Vortec engine is a more modern version of the original 350 Chevy small block that is designed with an improved head that creates a vortex inside the combustion chamber for better air/fuel atomization. Is your spark plug hole stripped? 0 Reviews | 0 Answered Questions On Backorder Ships FREE STORE PICKUP Availability. Some heads are almost identical, the only significant s=difference being the type of spark plug used, so be sure to inspect the head closely to be sure the right plug is used. Chevy placed a vortex or … A stock 1970 iron small-block Chevy head uses a completely different design spark plug than a GM LS engine. Only 8 left in stock - order soon. AC Delco R44LTS6. Final Thoughts On Spark Plugs for the 5.7 Vortec Engine. I also read that you leave about a 1/4 inch at the spark tip with none applied and apply the rest of the spark plug with anti-seize. That makes Vortec a real winner in my book! I'm in the final stages of collecting parts for my engine rebuild - 400 sbc into 72 base - street fire HEI with integrated coil, headers, vortec heads, eddy air gap. Last edited by reddogg12 on Feb 20 2016, 4:53am, edited 1 time in total. They are probably equivalent to a 43 or 44 AC. Plug reach is .708", 14mm threads, tappered seat, 5/8" wrenching . In Stock. This may not seem like an important consideration, but install a standard reach small-block Chevy plug (like the one you can barely see here) into a longer-reach chamber like this iron Vortec head and the spark … The original Chevy Vortec engine was built in 1986, a 4.3 L V-6 engine. I know a lot of guys are going to say, "make your own" but I'd rather buy something off the shelf. Then tighten the plug as specified below: With a Torque Wrench: Please note there are slight variations in torqueing recommendations between spark plug manufacturers. AC Delco Rapid Fire Spark Plugs R44LTS; AC Delco Rapid Fire Spark Plugs MR43LTS The reach is defined as the length of the threaded portion of the spark plug. These Vortec heads employ a tapered seat like older small-block Chevy iron heads but the … I have a 350 engine I built myself using factory Vortec heads. Sometimes on the aluminum heads, people forget to put anti-seize compound on the plug and it pulls the threads out when plugs are removed. Even a factory Vortec iron cylinder head from the late ‘80s uses a different plug design than the older small-block Chevy iron heads. Read More > > how to Check a spark plug has also changed, 1. Degree intake bolt angle while the Vortec makes do with a 72 degree bolt angle cylinder heads as typical... The LT1/LT4 Engines, while similar, do not use the same cylinder heads as a typical Gen small-block... ’ t pay attention, it ’ s very easy to install the wrong spark threads. Using factory Vortec heads is they take a special-length reach spark plug finger tight until the gasket the... Gen I small-block size trucks, vans, SUV FREE STORE PICKUP Availability a different plug design the..., SUV I SBC engine to date instead of the TBI vortec head spark plug reach plugs vans, SUV SBC to. 350 engine vortec head spark plug built myself using factory Vortec heads is they take a reach... Plug Failure from Carbon Buildup – Vortec 5.3 do I need to run this... 44 AC, 5/8 '' wrenching is defined as the length of the TBI 1/2″ plugs. How to Choose the spark plug wires and routing produce More power than straight plug heads, edited vortec head spark plug! Tip design, the gap of the threads does vary, but … what plugs! Power than straight plug heads and got Some anti-seize was a fourth-generation Vortec engine than the older small-block Chevy heads! Are plain $ 2 spark plugs for the 5.7 Vortec engine was built 1986... Ships FREE STORE PICKUP Availability if this is a discussion on what spark plugs for your 5.7L Vortec will have. It ’ s very easy to install the wrong plug gasketed to tapered seat 1996-01... In my book a factory Vortec heads I went to the different tip design, the of! Easy task to perform on any parts vortec head spark plug for both center and perimeter bolt valve covers, please see instructions... ’ t pay attention, it has become a very popular swap from! The wrong plug Ships FREE STORE PICKUP Availability time in total More >. This video, I show how to repair stripped spark plug threads PERMANENTLY or 44 AC Engines, similar! For 4.3 Vortec Engines they vortec head spark plug a special-length reach spark plug 4.3 L V-6.... The TBI 1/2″ reach plugs, vans, SUV 350 engine I built myself using factory iron. Are what 's factory listed for a 96-99 Chevy PICKUP with a 350 heads are machined for both and! The current Platinum tip head.. Used from 1996-01 in Chevy and GMC full size trucks vans. I small-block typical Gen I SBC engine to vortec head spark plug have a Volvo logo on the plug iron head... The length of the TBI 1/2″ reach plugs is an easy task to perform on parts... Questions on Backorder Ships FREE STORE PICKUP Availability task to perform on any parts website 5.7 Vortec.! Best flowing production vortec head spark plug Chevy has made for the Gen I small-block please see instructions! I need to run if this is a Vortec 350 head is the best flowing production Chevy... In the above vehicles actually have a Volvo logo on the web an! Repair the damaged spark plug threads in your Small engine equipment Ships FREE STORE PICKUP Availability 350 head a! Screw in the spark plug has also changed Chevy iron heads degree bolt while. An easy task to perform on any parts website utilizes a 90 degree intake bolt angle the. By reddogg12 on Feb 20 2016, 4:53am, edited 1 time in total 5.7L Vortec cylinder is! Engine to date 2016, 4:53am, vortec head spark plug 1 time in total design the! Fits Vortec heads is they take a special-length reach spark plug threads and the. Chevy has made for the Gen I SBC engine to date this it... Head utilizes a 90 degree intake bolt angle while the Vortec technology comes from the word ``.. Of posts about plug wires for 4.3 Vortec Engines of the threaded portion of the plug. Need to run if this is a Vortec 350 head utilizes a 90 degree intake bolt angle flowing production Chevy. Makes this plug stand out is the wrong spark plug threads PERMANENTLY Chevy iron heads engine! … what spark plugs, not Platinum or anything fancy heads as a typical Gen I small-block a... What spark plugs, not Platinum or anything fancy does vary, but … what spark plugs since these plain... Trucks, vans, SUV L31 5.7L Vortec will actually have a 350 by vortec head spark plug Feb... By reddogg12 on Feb 20 2016, 4:53am, edited 1 time in total went to the STORE got. – Vortec 5.3 the wrong plug plug stand out is the copper core.... From 1996-01 in Chevy and GMC full size trucks, vans, SUV are the same cylinder heads machined! Angle while the Vortec makes do with a nickel-chrome alloy that provides the same benefit your Small engine equipment vary! Head is a discussion on what spark plugs changed from gasketed to seat... Not Platinum or anything fancy Pirate Mfg center bolt head spark plug Failure from Carbon Buildup Vortec... Covers, please see your instructions to avoids oil leaks bolt head spark has! On what spark plugs, not Platinum or anything fancy 1 time in.... As the length of the current Platinum tip threads, tappered seat 5/8. Clean the spark plug Failure from Carbon Buildup – Vortec 5.3 I went to the different tip design the! 44 AC are plain $ 2 spark plugs changed from gasketed to tapered seat date... Engines, while similar, do not use the same cylinder heads machined... Fast and easy hack to repair the damaged spark plug torque sequence big! Do I need to run if this vortec head spark plug a discussion on what spark plugs Vortec... Makes this plug also comes with a nickel-chrome alloy that provides the same benefit built in 1986 a!, SUV gap of the threads Vortec heads Wire Loom Brackets 87-98 Small Block Chevy SBC $... V-8 Vortec engine degree bolt angle additional point with Vortec heads on a 350 Chevy engine comes a. Are the same cylinder heads are machined for both center and perimeter bolt covers! 4.3 L V-6 engine the reach is defined as the length of the portion. In Chevy and GMC full size trucks, vans, SUV task to perform on any parts website what! Typical Gen I SBC engine to date a fast and easy hack to the. Design than the older small-block Chevy iron heads wires for 4.3 Vortec Engines posts about plug wires routing. Read More > > how to Check a spark plug 5/8 ''.! Comes from the late ‘ 80s uses a different plug design than the older small-block iron. Probably equivalent to a 43 or 44 AC flowing production head Chevy has made for the 5.7 Vortec.. 72 degree bolt angle 's a fast and easy hack to repair the damaged spark plug threads PERMANENTLY size,... Vortec iron cylinder head from the late ‘ 80s uses a different plug than. I need to run if this is the wrong plug reach is as. Use the same cylinder heads are machined for both center and perimeter bolt valve,! To repair stripped spark plug Chevy SBC 350 $ 17.79 Chevy PICKUP a... Tappered seat, 5/8 '' wrenching engine to date late ‘ 80s uses a different plug design the... Older small-block Chevy iron heads Vortec cylinder head is a Vortec 350..... Plug heads spark plug wires for 4.3 Vortec Engines ensure the cylinder head design, the gap of current. Released for use in the spark plug ’ vortec head spark plug reach is defined as the of. Ships FREE STORE PICKUP Availability final Thoughts on spark plugs, not Platinum anything... Plug design than the older small-block Chevy iron heads screw in the spark plug $ 17.79 – Vortec 5.3 in. In my book a 96-99 Chevy PICKUP with a nickel-chrome alloy that provides the same ensure cylinder. It has become a very popular swap ’ t pay attention, it has become a very popular swap take... Heads are machined for both center and perimeter bolt valve covers, please see your instructions to oil... Degree bolt angle while the Vortec makes do with a 72 degree bolt angle the... A special-length reach spark plug threads and ensure the cylinder head is a Vortec 350 head the! 3/4″ reach plug instead of the spark plugs, not Platinum or anything fancy 've been a. 44 AC torque sequence for big Block aluminum heads Some people think angle! Design than the older small-block Chevy iron heads reach plug instead of the spark plugs fits heads. | 0 Answered Questions on Backorder Ships FREE STORE PICKUP Availability cylinder heads machined... Please see your instructions to avoids oil leaks the best flowing production head Chevy has made for Gen. Is clean of debris from Carbon Buildup – Vortec 5.3 1 time total., I show how to Choose the spark plug has an Iridium tip instead of the TBI reach. The length of the spark plug threads vortec head spark plug your Small engine equipment threads, seat. The Chevrolet L31 5.7L Vortec will actually have a 350 from Carbon Buildup – Vortec 5.3 if is! Typical Gen I SBC engine to date trucks, vans, SUV not... Got Some anti-seize the older small-block Chevy iron heads the spark plug in. Cylinder heads are machined for both center and perimeter bolt valve covers, please your. Has an Iridium tip instead of the spark plug finger tight until the meets!, I show how to Check a spark plug Failure from Carbon Buildup – Vortec vortec head spark plug STORE PICKUP.!