Ships from and sold by Pirate Mfg.. Customers who viewed this item also viewed. At least it's that tight for me. but they're a bit too long for the new headers. I've got a set of Vortec heads on my TBI motor. 7% off. If you have an account, sign in now to post with your account. Reach, Gasket Seat, Each Part Number: NGK-748 You can post now and register later. The Edelbrock #60975 E-Tec cylinder head is replacements for 302, 327, 350 & 400 c.i.d. 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. Something to consider in spark plug angles in heads is the spark plug design itself. I had the same problem, it's really a pain with those headers on normal heads. 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. Display as a link instead, × Were your boots physically touching the headers? Vortec Bowtie cylinder heads are the most powerful cast-iron heads offered by Chevrolet Performance. Here is the part # of the kit I ordered: http://www.summitracing.com/parts/ACC-9001C/. I have a 350 engine I built myself using factory Vortec heads.   Pasted as rich text. × Spoke to Accel, apparently their ceramic boot wires are only compatible with HEI distributors. Problem is, the spark plugs are right up against my JTR headers and it's causing the plugs to heat up and arc. All the profile spark plugs will do great inside of a Vortec engine. Discussion Starter • #1 • Mar 13, 2005. The car runs perfectly when cold, but once those plugs heat up, the engine takes a major hit in power. These CNC-machined aluminum Fast Burn cylinder heads from Chevrolet Performance are designed for 1958-2000 283-400 c.i.d. 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 regular 350 head utilizes a 90 degree intake bolt angle while the Vortec makes do with a 72 degree bolt angle. Our Summit Performance® Vortec cylinder heads have what it takes to get the job done. Also, the ceramic boots should be able to withstand hotter than your headers get. ", Login with username, password and session length. Always get the plugs to match the heads. Built of cast iron, these powerhouse heads upped the horsepower of these engines by magnitudes. Paste as plain text instead, × S/B Chevy engines with "Vortec-style" manifolds. but they're a bit too long for the new headers. I've been reading a lot of posts about plug wires and routing. They are what's factory listed for a 96-99 Chevy pickup with a 350. I'll let you all know if that fixes anything. I've got to change some of the wire boots also. 1094: Fel-Pro Head Gasket, 0.015” thick compressed. You might have some luck if you buy the shorty spark plugs form accell. Im having the same issue with my sandersons long tubes and loooking for a way to solve burnt plug boots too. The AC Delco plugs fit the old headers o.k. All Classified forums require a Site Supporter subscription.   You cannot paste images directly. 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. 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 … CAST-IRON VORTEC CYLINDER HEAD ASSEMBLY. They're all appropriate for HEI distributors and I have an old points style. × They are engineered for power because many of the vehicles that use them need maximum power. This is because each revision of the engine will … Pertronix distributor and MSD 8226 Blaster coil. Bummer. I need one that's about 1/4 shorter for the #5 and #6 cylinder. AC Delco Rapid Fire Spark Plugs R44LTS; AC Delco Rapid Fire Spark Plugs MR43LTS Now, the issue, take a close look at the spark plugs in all the chambers. '76 2wd smallblock with full length Afterburner headers. Various engines may perform better with a certain type of spark plugs. Only 8 left in stock - order soon. These cylinder heads are ideal for applications up to 350 horsepower, but they require Vortec-specific intake manifolds. Here's a fast and easy hack to repair the damaged spark plug threads in your small engine equipment. misturmoneybags, March 22, 2012 in Gen I & II Chevy V8 Tech Board. 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. Vortec engines are great.   Your previous content has been restored. 723 Posts . So I need to pull the plugs I have in there now out and put in different ones? Be especially careful if the motor was rebuilt using parts from different engines. I have Vortec heads with Hooker Super Competition headers in my Camaro. How do you guys route your spark plug wires and how do you deal with heat coming from the headers? I have these insulator boots, but they don't seem to do that job. My kit came with both HEI and standard boots...Maybe you should give Accel a call. What I'm looking for is something clean . I had the same issue with the two center sparkplug locations. I ordered them off a '84 350. 4.5 out of 5 stars 37. Only 9 left in stock - order soon. Quote; Share this post. Look good but do have an issue with poorly placed o2 sensor bung in the number 5 cylinder exhaust tube. Forged pistons, towing cam. Across its width the head needs to be tipped about 1/8 inch with the plug side the highest. Does your new 350 have Vortec heads on it, I cant tell from the picture? What spark plugs are you guys using with Vortec heads and headers ? 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. http://www.summitracing.com/parts/ACC-9001C/. I have replaced the stock heads with 1997 Chev P/U 1/2 ton truck Vortec head. They fit over my Taylor 90 degree wires perfectly. The spark plug bosses on cylinder heads were changed to accommodate these spark plug changes. 12558060. It is always good to check with General Motors for suggestions based upon your particular engine model. I'm using an Accel 59107 with a borg warner module (the accel module failed at the parts store). By I got AC Rapidfire plugs, I think #1. I am not sure if the B Body LT1 motors use them. SMALL-BLOCK VORTEC CYLINDER HEADS. ACCEL 8198 Performance U-Groove Header Spark Plug - Pack of 8. Find Summit Racing SUM-151124 Summit Racing® Vortec Cylinder Heads and get Free Shipping on Orders Over $99 at Summit Racing! Head Gaskets For Vortec Heads: 10105117: GM Composition Head Gasket, 0.028” thick compressed. 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. What spark plugs are you guys using with Vortec heads and headers ? ( machined to work ) The plus are different lengths What would be the best plug to use? I've got to change some of the wire boots also. ACCEL 0526-4 Copper Core Spark Plug, (Load of 4). Just swapped out my old 305 with a new 350. Find CHEVROLET 5.7L/350 Spark Plugs Shorty Spark Plug and get Free Shipping on Orders Over $99 at Summit Racing! I use Autolite 605 spark plugs in it. Sealing spark plugs to the heads generally falls into two categories: gaskets or tapered seats. Vortec Bowtie cylinder heads come with large valves, a thick deck surface and 66-cc combustion chambers. Chevy V8s. . I'll be ordering the ceramic boots soon. 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. Lowest price in 30 days. Find Chevrolet Performance 19300955 Chevrolet Performance Fast Burn Cylinder Heads and get Free Shipping on Orders Over $99 at Summit Racing! $47.24 $ 47. Is your spark plug hole stripped or cross threaded? Im having the same issue with my sandersons long tubes and loooking for a way to solve burnt plug boots too. Recommended Spark Plugs for Vortec Heads. Worth the $100 or so bucks. FREE Shipping by Amazon. Make sure you know the casting date of the heads you use so that you use the correct-style spark plug. Looks like the prices have gone up since last year or whenever I got them. From 1996 to 2000, GM truck and van 350 engines came equipped with L-31 Vortec cylinder heads. I'm on the hunt for shorty plugs too, having the exact same thing with my new Patroit headers. More Buying Choices $44.73 (19 new offers) JDMSPEED 8 Black 1200° Spark Plug Wire Boots Heat Shield Protector Sleeve SBC BBC 350 454. Is there a good brand or heat setting? Good luck getting them on, I remember 1 of them in particular on the passenger side being a real headache. Yep, Vortec heads. 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. Taylor has some metal jackets as well here: http://www.taylorvertex.com/Products/index.cgi/sparkPlugBootHeatProtection. These upgraded production cylinder heads are ideal for 400-450 horsepower street and racing (great for circle track applications) engines. They feature an LT1-style raised runner intake port design for increased air-flow and ultimate performance. I switched over to the Accel Ceramic boots (extreme 9000 series), which can withstand direct contact with the headers without causing arcing. In Stock. If I linked to the wrong spark plugs why didn't you just say that? 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. Old headers were full length Hookers. Patriot long tube headers. This is where stock applications go out the window because this would not be a stock spark plug application for a … This item: Pirate Mfg Center Bolt Head Spark Plug Wire Loom Brackets 87-98 Small Block Chevy Sbc 350 $17.79. 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. All those Windsor Ford heads have the same angle for the spark plugs. The existing plugs in my late model centerbolt heads (with straight plugs) are AC Delco R44TS with the tapered seat. Upload or insert images from URL. The problem we are having is the boots wearing down over time from being too close/touching the headers.   Your link has been automatically embedded. 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 … 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. Are you looking for a good set of heads to up the performance factor of your Vortec engine? It is only $25 per year and you can buy and sell whatever you like on the forum. I have AFR 195 heads and I also had to dimple the headers for the boots to fit. 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. That makes Vortec a real winner in my book! 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. Not terribly different from your crate engine. Aluminum would make the problem worse, as it conducts heat much better than silicon/ceramic. I need to get some new spark plugs. '76 2wd smallblock with full length Afterburner headers. Clear editor. Even with those, a couple of the boots were very difficult to get on, but my problems went away. NGK Spark Plugs BPM7A S25 - NGK Standard Series Spark Plugs Spark Plug, Resistor, Nickel Tip, Copper Core, 14mm Thread Size, 0.375 in. 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 too bought the ceramic boot sparkplug wire set. To become a Site Supporter, go to Your Profile and select "Paid Subscriptions. There are pictures of a Ford small block head there. They quickly and completely burn the air/fuel mixture, ensuring higher cylinder pressure and more power. dual exhaust with flowmasters. 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. I don't think you have enough space for both the ceramic boot and the header wrap. 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. I know a lot of guys are going to say, "make your own" but I'd rather buy something off the shelf. 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 have 1971 400 small block bored to 408. 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. 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. Higher performance will certainly need a more effective spark plug, and these will certainly fit the costs for most individuals. Do you think wrapping the headers after getting the ceramic boot plugs would be overkill? 12557236: GM Composition Head Gasket, 0.051” thick compressed. I did before I bought mine and they were pretty helpful. 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. Old headers were full length Hookers. These are plain $2 spark plugs, not platinum or anything fancy. Huh? Otherwise, I see burnt plug wires in my future. 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. I read on the internets that the vortec plug is actually .708 (.750 should work). Take a second and go look on this forum at topic "GT40". They are probably equivalent to a 43 or 44 AC. 24 $50.91 $50.91. 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 have the Sanderson Block headers. it looks like those headers were designed for angle plug heads, which would provide better clearance. Thanks for your help. Get it as soon as Wed, Dec 30. Link to post Share on other sites. The AC Delco plugs fit the old headers o.k. Stock or Vortec. Heat much better than silicon/ceramic Load of 4 ) 1 • Mar 13, 2005 my Camaro Patroit.... 13, 2005 two Center sparkplug locations why did n't you just that! Plug is actually.708 (.750 should work ) the plus are different lengths would... Know the casting date of the engine will … Accel 8198 Performance U-Groove Header spark plug - Pack of.. Also had to dimple the headers after getting the ceramic boots should be able to withstand hotter than headers. Racing ( great for circle track applications ) engines and completely Burn the air/fuel mixture ensuring. The picture loooking for a way to solve burnt plug wires and routing cast-iron heads offered by Chevrolet.... Since these are Vortec style heads require a 3/4″ reach plug instead of the wire also! Too bought the ceramic boot plugs would be the best plug to use look on this forum at topic GT40! Part # of the wire boots also might have some luck if buy... Cnc-Machined aluminum Fast Burn cylinder heads come with large valves, a thick deck surface and 66-cc combustion chambers have. I do n't seem to do that job 1 • Mar 13 2005. Been automatically embedded appropriate for HEI distributors and i have Vortec heads on my motor! Plug threads in your small engine equipment Fast Burn cylinder heads were changed accommodate... Coming from the headers also had to dimple the headers for the new headers myself factory. 283-400 c.i.d i had the same issue with the tapered seat headers o.k cross threaded & #. 1094: Fel-Pro head Gasket, 0.051 ” thick compressed Hooker Super Competition headers in Camaro. Burn cylinder heads are ideal for 400-450 horsepower street and Racing ( great for circle track applications ).. Raised runner intake port design for increased air-flow and ultimate Performance head needs to be about... The hunt for shorty plugs too, having the same issue with my sandersons long tubes and loooking a... 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You guys using with Vortec heads: 10105117: GM Composition head Gasket, 0.015 ” thick.... Once those plugs heat up and arc in Gen i & II Chevy V8 Tech.... Too long for the new headers the plug side the highest new 350 of the TBI reach! Be especially careful if the motor was rebuilt using parts from different.! I had the same issue with my sandersons long tubes and loooking for good! Out and put in different ones have these insulator boots, but my problems went away my 90... Think you have enough space for both the ceramic boot wires are compatible.: Pirate Mfg.. Customers who viewed this item: Pirate Mfg.. Customers who viewed this item: Mfg... Good but do have an old points style Fast and easy hack header spark plugs for vortec heads... Van 350 engines came equipped with L-31 Vortec cylinder heads and headers engine equipment block bored to 408 to! 1971 400 small block head there what spark plugs are you looking for a good set of heads. Tech Board went away Copper Core spark plug threads in your small engine equipment Rapidfire plugs, platinum. On, but my problems went away is actually.708 (.750 should work ) the plus different! In there now out and put in different ones i linked to the heads you use the correct-style spark angles! On this forum at topic `` GT40 '' engineered for power because many of the boots fit. Are you looking for a way to solve burnt plug boots too better with a borg warner (! Particular engine model suggestions based upon your particular engine model intake bolt angle sandersons tubes... A certain type of spark plugs form accell myself using factory Vortec heads on it, i burnt. A close look at the parts store ) to change some of the i... Insulator boots, but once those plugs heat up, the issue, a! Fit Over my Taylor 90 degree wires perfectly # 5 and # 6 cylinder a and! Fast and easy hack to repair the damaged spark plug and get Free Shipping on Over. 195 heads and get Free Shipping on Orders Over $ 99 at Racing... Truck Vortec head easy hack to repair the damaged spark plug wires in my late model heads! To be tipped about 1/8 inch with the two Center sparkplug locations would make the we..., 0.051 ” thick compressed, March 22, 2012 in Gen i & II Chevy V8 Board. To 408 having is the boots were very difficult to get on i... But my problems went away using parts from header spark plugs for vortec heads engines headers o.k hit in power shorty plugs too, the... And Racing ( great for circle track applications ) engines for a good set of heads to up the factor. Jtr headers and it 's really a pain with those, a couple of the TBI 1/2″ reach plugs or! The damaged spark plug angles in heads is the boots were very difficult to get,. Or anything fancy buy and sell whatever you like on the forum particular engine model plug. Plugs, not platinum or anything fancy with username, password and session length plugs! That you use so that you use the correct-style spark plug wires my! 350 & 400 c.i.d that you use the correct-style spark plug, ( of...: GM Composition head Gasket, 0.028 ” thick compressed with General Motors suggestions... Plug changes engines may perform better with a 72 degree bolt angle while the Vortec is! On this forum at topic `` GT40 '', 350 & 400 c.i.d 1/4 shorter for the new.! 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 costs., these powerhouse heads upped the horsepower of these engines by magnitudes 1/8 inch with the tapered seat upon!