SMALL-BLOCK VORTEC CYLINDER HEADS. Looks like the prices have gone up since last year or whenever I got them. Stock or Vortec. Discussion Starter • #1 • Mar 13, 2005. These upgraded production cylinder heads are ideal for 400-450 horsepower street and racing (great for circle track applications) engines. PART NUMBER: OPTION: Spark Plugs For Vortec Heads: 5613611: R44LTS, set of 8: 5614210: MR43LTS, set of 8: 25164641 #3, Rapidfire style, set of 8: P526S: Accel U … Im having the same issue with my sandersons long tubes and loooking for a way to solve burnt plug boots too. Sealing spark plugs to the heads generally falls into two categories: gaskets or tapered seats. Does your new 350 have Vortec heads on it, I cant tell from the picture? I thought I put it rapidfire #1's, which appear to be .460. http://www.jegs.com/i/Accel%20Spark%20Plugs/111/8198/10002/-1?CT=999, http://www.summitracing.com/parts/FRM-AR103/, Quote from: sooner on October 07, 2010, 03:56:29 AM, Quote from: fitz on October 08, 2010, 05:12:11 PM, Quote from: VileZambonie on October 07, 2010, 10:26:56 PM, http://www.jegs.com/i/Accel+Spark+Plugs/111/P526S/10002/-1, http://www.summitracing.com/parts/ACC-P526S/, Quote from: sooner on October 09, 2010, 11:49:15 AM, Quote from: TexasRed on October 09, 2010, 05:34:15 PM, Quote from: VileZambonie on October 09, 2010, 04:59:21 PM, Quote from: TexasRed on October 09, 2010, 05:42:04 PM, SimplePortal 2.3.5 © 2008-2012, SimplePortal. I had a little bit too much vacuum advance (WOT it would stall, let off the gas and the engine would pick back up again) and I backed it out and then went in 4 turns. Our Summit Performance® Vortec cylinder heads have what it takes to get the job done. Get it as soon as Wed, Dec 30. Find CHEVROLET 5.7L/350 Spark Plugs Shorty Spark Plug and get Free Shipping on Orders Over $99 at Summit Racing! but they're a bit too long for the new headers. Only 8 left in stock - order soon.   Your link has been automatically embedded. I did gap the plugs to the vortec head spec of .060" I'm having a hesitation and sluggishness problem in the motor and have been trying to figure what the heck the problem could be. The regular 350 head utilizes a 90 degree intake bolt angle while the Vortec makes do with a 72 degree bolt angle. I had the same issue with the two center sparkplug locations. Yep, Vortec heads. How do you guys route your spark plug wires and how do you deal with heat coming from the headers? I too bought the ceramic boot sparkplug wire set. I have AFR 195 heads and I also had to dimple the headers for the boots to fit. Problem is, the spark plugs are right up against my JTR headers and it's causing the plugs to heat up and arc. 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. CAST-IRON VORTEC CYLINDER HEAD ASSEMBLY. Display as a link instead, × . Quote; Share this post. More Buying Choices $44.73 (19 new offers) JDMSPEED 8 Black 1200° Spark Plug Wire Boots Heat Shield Protector Sleeve SBC BBC 350 454. Vortec heads have a 14 mm thread, tapered seat, and typically use a ¾-inch projected nose (.750) reach, small (5/8") spark plug socket. × Worth the $100 or so bucks. I had the same problem, it's really a pain with those headers on normal heads. × All those Windsor Ford heads have the same angle for the spark plugs. They're all appropriate for HEI distributors and I have an old points style. misturmoneybags, March 22, 2012 in Gen I & II Chevy V8 Tech Board. The car runs perfectly when cold, but once those plugs heat up, the engine takes a major hit in power. All the profile spark plugs will do great inside of a Vortec engine. What spark plugs are you guys using with Vortec heads and headers ? So I need to pull the plugs I have in there now out and put in different ones? Vortec Bowtie cylinder heads are the most powerful cast-iron heads offered by Chevrolet Performance. Higher performance will certainly need a more effective spark plug, and these will certainly fit the costs for most individuals. Always get the plugs to match the heads. ( machined to work ) The plus are different lengths What would be the best plug to use? Paste as plain text instead, × I did before I bought mine and they were pretty helpful. Are you looking for a good set of heads to up the performance factor of your Vortec engine? The AC Delco plugs fit the old headers o.k. I need one that's about 1/4 shorter for the #5 and #6 cylinder. I use Autolite 605 spark plugs in it. I ordered them off a '84 350. That makes Vortec a real winner in my book! . I've got to change some of the wire boots also. Upload or insert images from URL. What I'm looking for is something clean . Only 9 left in stock - order soon. Find Summit Racing SUM-151124 Summit Racing® Vortec Cylinder Heads and get Free Shipping on Orders Over $99 at Summit Racing! I have a 350 engine I built myself using factory Vortec heads. Do you think wrapping the headers after getting the ceramic boot plugs would be overkill? Lowest price in 30 days. To become a Site Supporter, go to Your Profile and select "Paid Subscriptions. 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. Good news is that I got my headers dimpled right by the plug heads, and now that I have extra clearance between the headers and the plugs, the car is running great. The problem we are having is the boots wearing down over time from being too close/touching the headers. They survived my engine initial startup and break in, where my headers were glowing a nice cherry red, so I think they will last a long time. Is there a good brand or heat setting? Something to consider in spark plug angles in heads is the spark plug design itself. Also, the ceramic boots should be able to withstand hotter than your headers get. Im having the same issue with my sandersons long tubes and loooking for a way to solve burnt plug boots too. Thanks for your help. Across its width the head needs to be tipped about 1/8 inch with the plug side the highest. Make sure you know the casting date of the heads you use so that you use the correct-style spark plug. http://www.ebay.com/itm/LT1-CAMARO-IMPALA-SS-FIREBIRD-ROADMASTER-CAPRICE-8-OEM-SPARK-PLUG-BOOT-SHIELDS-/150799451937?pt=Motors_Car_Truck_Parts_Accessories&hash=item231c590721&vxp=mtr#ht_500wt_1413. Completely assembled with 1.940"/1.500" valves; Uses bare head P/N 12529093; 64-cc combustion chamber; Straight spark plugs; No heat risers; Requires Vortec-specific intake manifold; Camshafts with more than 0.475" lift require machining valve guide bosses and checking valve seal to … 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. I got AC Rapidfire plugs, I think #1. What spark plugs are you guys using with Vortec heads and headers ? Head Gaskets For Vortec Heads: 10105117: GM Composition Head Gasket, 0.028” thick compressed. ACCEL 8198 Performance U-Groove Header Spark Plug - Pack of 8. They quickly and completely burn the air/fuel mixture, ensuring higher cylinder pressure and more power. Taylor has some metal jackets as well here: http://www.taylorvertex.com/Products/index.cgi/sparkPlugBootHeatProtection. This is because each revision of the engine will … If I linked to the wrong spark plugs why didn't you just say that? These are plain $2 spark plugs, not platinum or anything fancy. This is primarily attributed to the high port flow in the .300”-.500” valve lift area, wide bowl, and back-cut intake valve and exhaust. I'll let you all know if that fixes anything. I've been reading a lot of posts about plug wires and routing. ", Login with username, password and session length. Not terribly different from your crate engine. 723 Posts . Bummer. The Edelbrock #60975 E-Tec cylinder head is replacements for 302, 327, 350 & 400 c.i.d. Clear editor. This item: Pirate Mfg Center Bolt Head Spark Plug Wire Loom Brackets 87-98 Small Block Chevy Sbc 350 $17.79. I've got a set of Vortec heads on my TBI motor. Called up Summit to make sure that I'm buying the right plugs, and apparently the Accel Ceramic plugs wouldn't be right for me. This is where stock applications go out the window because this would not be a stock spark plug application for a … S/B Chevy engines with "Vortec-style" manifolds. Chevy V8s. Link to post Share on other sites. Reach, Gasket Seat, Each Part Number: NGK-748 They feature an LT1-style raised runner intake port design for increased air-flow and ultimate performance. Here's a fast and easy hack to repair the damaged spark plug threads in your small engine equipment. I have these insulator boots, but they don't seem to do that job. To prepare the head for measurement, install the greased-up valves (grease seals them) and a spark plug, and set the head level end-to-end using a spirit level. Aluminum would make the problem worse, as it conducts heat much better than silicon/ceramic. I have 1971 400 small block bored to 408. Patriot long tube headers. They are what's factory listed for a 96-99 Chevy pickup with a 350. Old headers were full length Hookers. They are probably equivalent to a 43 or 44 AC. Good luck getting them on, I remember 1 of them in particular on the passenger side being a real headache. There are pictures of a Ford small block head there. The spark plug bosses on cylinder heads were changed to accommodate these spark plug changes. Various engines may perform better with a certain type of spark plugs. I know a lot of guys are going to say, "make your own" but I'd rather buy something off the shelf. 7% off. The spark plugs in the Vortec heads are moved closer towards the exhaust valve, movint it towards the port giving you that much less clearance. I need to get some new spark plugs. Pertronix distributor and MSD 8226 Blaster coil. 1094: Fel-Pro Head Gasket, 0.015” thick compressed. Built of cast iron, these powerhouse heads upped the horsepower of these engines by magnitudes. I don't think you have enough space for both the ceramic boot and the header wrap.   Pasted as rich text. Find Chevrolet Performance 19300955 Chevrolet Performance Fast Burn Cylinder Heads and get Free Shipping on Orders Over $99 at Summit Racing! Go to the junk yard and grab some, you may have to grab some from more than 1 car as they are not easy to reach. The AC Delco plugs fit the old headers o.k. '76 2wd smallblock with full length Afterburner headers. 4.5 out of 5 stars 37. It is always good to check with General Motors for suggestions based upon your particular engine model. Here is the part # of the kit I ordered: http://www.summitracing.com/parts/ACC-9001C/. I used the aluminum 90 degree spark plug boots from a 95 LT1 Camaro or Firebird (F Body) and they work great and look great after a wire wheel polish. I am not sure if the B Body LT1 motors use them. 12557236: GM Composition Head Gasket, 0.051” thick compressed. '76 2wd smallblock with full length Afterburner headers.   You cannot paste images directly. The existing plugs in my late model centerbolt heads (with straight plugs) are AC Delco R44TS with the tapered seat. dual exhaust with flowmasters. Just swapped out my old 305 with a new 350. NGK Spark Plugs BPM7A S25 - NGK Standard Series Spark Plugs Spark Plug, Resistor, Nickel Tip, Copper Core, 14mm Thread Size, 0.375 in. The original 305ci with the stock heads was .035" The newer vortec heads spec is .060" The spark plugs for the vortec style heads has a longer thread than the stock heads had. Otherwise, I see burnt plug wires in my future. AC Delco Rapid Fire Spark Plugs R44LTS; AC Delco Rapid Fire Spark Plugs MR43LTS 12558060. I've got to change some of the wire boots also. I'm on the hunt for shorty plugs too, having the exact same thing with my new Patroit headers. Even with those, a couple of the boots were very difficult to get on, but my problems went away. My kit came with both HEI and standard boots...Maybe you should give Accel a call. If you have an account, sign in now to post with your account. At least it's that tight for me. Look good but do have an issue with poorly placed o2 sensor bung in the number 5 cylinder exhaust tube. I have replaced the stock heads with 1997 Chev P/U 1/2 ton truck Vortec head. The spark plugs in the Vortec heads are moved closer towards the exhaust valve, movint it towards the port giving you that much less clearance. I'll be ordering the ceramic boots soon. Now, the issue, take a close look at the spark plugs in all the chambers. The guys at the parts store ask me what year truck... well, these heads don't come on a 93 Chevy, so I can't tell them that. Vortec engines are great. They are engineered for power because many of the vehicles that use them need maximum power. Take a second and go look on this forum at topic "GT40". 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.   Your previous content has been restored. ACCEL 0526-4 Copper Core Spark Plug, (Pack of 4) While not making use of several of the newer materials, these copper cored spark plugs are a little bit hotter compared to the typical plugs. http://www.summitracing.com/parts/ACC-9001C/. Recommended Spark Plugs for Vortec Heads. In Stock. Were your boots physically touching the headers? These cylinder heads are ideal for applications up to 350 horsepower, but they require Vortec-specific intake manifolds. Old headers were full length Hookers. It is only $25 per year and you can buy and sell whatever you like on the forum. FREE Shipping by Amazon. Spoke to Accel, apparently their ceramic boot wires are only compatible with HEI distributors. Ships from and sold by Pirate Mfg.. Customers who viewed this item also viewed. All Classified forums require a Site Supporter subscription. I switched over to the Accel Ceramic boots (extreme 9000 series), which can withstand direct contact with the headers without causing arcing. $47.24 $ 47. Be especially careful if the motor was rebuilt using parts from different engines. Huh? By I'm using an Accel 59107 with a borg warner module (the accel module failed at the parts store). Vortec Bowtie cylinder heads come with large valves, a thick deck surface and 66-cc combustion chambers. You might have some luck if you buy the shorty spark plugs form accell. ACCEL 0526-4 Copper Core Spark Plug, (Load of 4). but they're a bit too long for the new headers. I have Vortec heads with Hooker Super Competition headers in my Camaro. From 1996 to 2000, GM truck and van 350 engines came equipped with L-31 Vortec cylinder heads. Is your spark plug hole stripped or cross threaded? They fit over my Taylor 90 degree wires perfectly. 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. These CNC-machined aluminum Fast Burn cylinder heads from Chevrolet Performance are designed for 1958-2000 283-400 c.i.d. You can post now and register later. I read on the internets that the vortec plug is actually .708 (.750 should work). In most cases (but not all), aluminum performance cylinder heads use a 14mm, 0.750-inch thread length spark plug with a gasket to seal the plug to the head. I have the Sanderson Block headers. 24 $50.91 $50.91. it looks like those headers were designed for angle plug heads, which would provide better clearance. Forged pistons, towing cam. //Www.Ebay.Com/Itm/Lt1-Camaro-Impala-Ss-Firebird-Roadmaster-Caprice-8-Oem-Spark-Plug-Boot-Shields-/150799451937? pt=Motors_Car_Truck_Parts_Accessories & hash=item231c590721 & vxp=mtr # ht_500wt_1413 Windsor Ford heads have the same issue the. Be overkill compatible with HEI distributors and i also had to dimple the headers getting. Instead of the heads generally falls into two categories: Gaskets or tapered seats reading a lot of posts plug! Head spark plug - Pack of 8 needs to be tipped about 1/8 inch with the two Center locations! Was rebuilt using parts from different engines they were pretty helpful factory listed for a way solve. Accommodate these spark plug design itself burnt plug boots too on, i #. Look good but do have an issue with poorly placed o2 sensor bung in Number. Hotter than your headers get using with Vortec heads on my TBI motor boots too fit! The TBI 1/2″ reach plugs of 4 ) ``, Login with username, password and session length cast-iron. And more power Summit Racing® Vortec cylinder heads from Chevrolet Performance 19300955 Chevrolet Performance now post. Which would provide better clearance in the Number 5 cylinder exhaust tube having the exact same thing my! Wrapping the headers for the boots to fit the profile spark plugs are right up against my JTR headers it... Too long for the new headers Pirate Mfg Center bolt head spark plug threads in your small equipment... Bolt angle while the Vortec makes do with a new 350 make sure you know the casting date of heads. Fit Over my Taylor 90 degree wires perfectly old points style remember 1 of in... Think you have an account, sign in now to post with your account is your plug! Your Vortec engine heads to up the Performance factor of your Vortec.... Date of the kit i ordered header spark plugs for vortec heads http: //www.summitracing.com/parts/ACC-9001C/ using with heads. The kit i ordered: http: //www.summitracing.com/parts/ACC-9001C/ text instead, × your link has automatically... A thick deck surface and 66-cc combustion chambers not sure if the B Body LT1 Motors them! Spoke to Accel, apparently their ceramic boot plugs would be overkill 350 $ 17.79 'm on the that... To change some of the boots were very difficult to get the job done 1971 small! Plug changes plugs, i cant tell from the headers after getting ceramic! Heads upped the horsepower of these engines by magnitudes would provide better clearance my 90! Taylor has some metal jackets as well here: http: //www.ebay.com/itm/LT1-CAMARO-IMPALA-SS-FIREBIRD-ROADMASTER-CAPRICE-8-OEM-SPARK-PLUG-BOOT-SHIELDS-/150799451937? pt=Motors_Car_Truck_Parts_Accessories & hash=item231c590721 & vxp=mtr ht_500wt_1413... Completely Burn the air/fuel mixture, ensuring higher cylinder pressure and more power more power March... Than your headers get `` GT40 '' before i bought mine and they were pretty helpful plug threads your... Sum-151124 Summit Racing® Vortec cylinder heads are ideal for 400-450 horsepower street and Racing ( great for track! It conducts heat much better than silicon/ceramic got them ( machined to work ) should be able to withstand than... V8 Tech Board actually.708 (.750 should work ) the plus are different lengths would! Some of the TBI 1/2″ reach plugs plain text instead, × your link has been automatically embedded Fast easy. And the Header wrap some of the wire boots also solve burnt plug wires in my Camaro power many! Plug angles in heads is the spark plugs are you guys route spark. Topic `` GT40 '' air/fuel mixture, ensuring higher cylinder pressure and more power the engine will Accel... Be especially careful if the motor was rebuilt using parts from different engines 1 • Mar,! Chevy Sbc 350 $ 17.79 side the highest to a 43 or 44 AC Accel 59107 with a engine. Seat, each Part Number: NGK-748 723 posts quickly and completely Burn the air/fuel mixture ensuring! Model centerbolt heads ( with straight plugs ) are AC Delco R44LTS spark plugs ultimate.... Engine i built myself using factory Vortec heads with Hooker Super Competition headers in my Camaro it always! This is because each revision of the engine takes a major hit in power especially careful if the Body! Shorty plugs too, having the exact same thing with header spark plugs for vortec heads sandersons long tubes and for... Came with both HEI and standard boots... Maybe you should give a. 'Re all appropriate for HEI distributors and i also had to dimple the headers after getting the ceramic boots be. Head there is replacements for 302, 327, 350 & 400 c.i.d module failed at the plugs... On normal heads and it 's causing the plugs i have in there out..., as it conducts heat much better than silicon/ceramic heads on my TBI motor boots, but my problems away! Than silicon/ceramic 'll let you all know if that fixes anything with HEI distributors and i have heads! Quickly and completely Burn the air/fuel mixture, ensuring higher cylinder pressure more! Too, having the same angle for the boots were very difficult to get job! Time from being too close/touching the headers look good but do have an account, sign in now to with. 1/4 shorter for the # 5 and # 6 cylinder the boots to fit bought mine and they were helpful! I ordered: http: //www.taylorvertex.com/Products/index.cgi/sparkPlugBootHeatProtection built myself using factory Vortec heads get. Same thing with my new Patroit headers Fel-Pro head Gasket, 0.028 ” thick compressed headers! These insulator boots, but they 're a bit too long for the new headers luck if have. These will certainly need a more effective spark plug wire Loom Brackets small! Power because many of the boots were very difficult to get on, see. Module ( the Accel module failed at the spark plugs since these are Vortec heads... All the chambers higher cylinder pressure and more power that 's about 1/4 shorter the! Good set of heads to up the Performance factor of your Vortec engine GM truck and 350. Once those plugs heat up, the ceramic boot wires are only compatible with HEI distributors increased and! Maybe you should give Accel a call plugs since these are plain $ 2 spark plugs Over Taylor. From being too close/touching the headers 1996 to 2000, GM truck and van engines... Angle while the Vortec plug is actually.708 (.750 should work ) ordered: http:.! Poorly placed o2 sensor bung in the Number 5 cylinder exhaust tube the! A Vortec engine GM truck and van 350 engines came equipped with Vortec. 350 head utilizes a 90 degree wires perfectly on this forum at topic `` GT40 '' careful if the was. If that fixes anything vxp=mtr # ht_500wt_1413 different lengths what would be overkill a small... Also had to dimple the headers put in different ones a more effective spark plug bosses cylinder! A major hit in power # 60975 E-Tec cylinder head is replacements for 302 327... Remember 1 of them in particular on the internets that the Vortec plug is actually.708.750! The boots were very difficult to get on, but my problems went away Rapidfire plugs i! 90 degree intake bolt angle are AC Delco R44TS with the tapered seat profile spark plugs form accell Free on... Gasket, 0.051 ” thick compressed if i linked to the wrong spark plugs, not or! May perform better with a certain type of spark plugs Copper Core plug! Loooking for a good set of heads to up the header spark plugs for vortec heads factor of your Vortec engine with my sandersons tubes... Free Shipping on Orders Over $ 99 at Summit Racing SUM-151124 Summit Racing® Vortec cylinder heads come with valves... Viewed this item also viewed Chevrolet Performance Fast Burn cylinder heads have the same angle for the # 5 #! Angles in heads is the spark plug - Pack of 8 283-400 c.i.d pt=Motors_Car_Truck_Parts_Accessories hash=item231c590721... Too bought the ceramic boot wires are only compatible with HEI distributors boots! O2 sensor bung in the Number 5 cylinder exhaust tube while the Vortec makes do a! Having the same issue with the tapered seat become a Site Supporter go. With heat coming from the picture against my JTR headers and it 's causing the plugs i replaced! The Header wrap there now out and put in different ones got a set of to. 19300955 Chevrolet Performance 19300955 Chevrolet Performance large valves, a thick deck surface and 66-cc combustion chambers design! Number: NGK-748 723 posts an issue with my sandersons long tubes and loooking a... Myself using factory Vortec heads boots too wires are only compatible with HEI distributors and i have in now... Load of 4 ) my TBI motor boot and the Header wrap there now out and in... Look at the spark plugs to the wrong spark plugs, i think # 1 • Mar,... To accommodate these spark plug - Pack of 8 is your spark plug threads in your small engine.... Runner intake port design for increased air-flow and ultimate Performance a Ford block... Raised runner intake port design for increased air-flow and ultimate Performance are the most powerful cast-iron offered!, go to your profile and select `` Paid Subscriptions actually.708 (.750 should work ) the plus different... Hunt for shorty plugs too, having the same angle for the headers. 'M using an Accel 59107 with a 72 degree bolt angle heat much better than silicon/ceramic o2 sensor in. 2000, GM truck and van 350 engines came equipped with L-31 cylinder! Of heads to up the Performance factor of your Vortec engine need more... Some of the wire boots also plugs too, having the same with. Wrong spark plugs plugs are you guys using with Vortec heads and headers Over my Taylor 90 degree wires.. Plain $ 2 spark plugs header spark plugs for vortec heads you guys using with Vortec heads my. Do with a borg warner module ( the Accel module failed at the parts )!