What I don't understand is why Ford Racing recommends D14 heat range spark plugs for aluminum GT40x heads , while Cobra stock iron GT40 heads spark plugs heat range recommended is D15 . Cars built 10 years ago already started using aluminum cylinder heads. It is often missed as it is the only head bolt (stud) that threads into a wet hole. The plugs that I needed are 5/8 14mm .375 Be sure and chech the plug size before you order. - Use standard plugs where I can and just used the listed P0526S plugs spec.ed for the heads specifically where I need. The autolite 106 is D15 heat range . $169.99. These large engine parts benefited from their aluminum construction and shed around 100 pounds from the vehicles total weight. Apr 15, 2005 #1 i have autolite 3924's in right now, i … The 69-earlier plug holes have a flat seat which requires a plug with a washer. Over torquing a steel shelled plug into an aluminum alloy head can easily distort the aluminum … Free shipping. Having said all this, a plug that has too low heat range could cause a high HC reading but I think you would be picking up on a felt miss. Off Topic, spark plugs in an aluminum head 10-30-2020, 09:49 PM. Always use Thread Sealer - Any bolt, stud, screw, plug, sending unit, or any item that threads into a wet hole should be coated with a thread sealer to prevent rust. Can someone point me in right direction on a new set that won't be too expensive. Does anyone know a part number for a short copper spark plug for use on a gt40p head.708 reach, 14mm 5/8 hex. Features 1-5/8" primary tubes and 2-1/2" collectors with 2-1/4" outlets. Rich air/fuel ratios require a hotter plug to prevent fouling. … Features 1-5/8" primary tubes and 2-1/2" collectors with 2-1/4" outlets. Why one "step" cold (heat range) for aluminum heads ? $165.88. When installing a spark plug and it starts to bind up stop and remove the plug and look at the threads. The port openings on the header are round and work fine on heads with round or rectangle ports.These shorty … I ended up going with an NGK plug with a colder heat range, that seemed to make my 306 run best with the Trick Flow heads. They're the originals … Spark Plug Accessories Year-Make-Model Year *select 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975 1974 1973 1972 … Butler Performance Inc. - Plugs for Edelbrock Aluminum Heads. If you ran that engine for a few thousand miles with short plugs then you should run a plug chaser tap before you screw in the longer plugs. I looked at the Patriot H8065 header and it looks like they give more room. MSD 8.5mm Super Conductor Spark Plug Wire Set NGK Spurk Plugs K&N Air Filter GMB High Performance Water Pumps ... and a good low cost aluminum head. GT 40 heads take different plugs than stock heads?? 6-25 1-800-526-4182 • 732-286-1800 (NJ) • FAX: 732-244-8843 • www.heyco.com “Stay Connected” with Hole Plugs & Venting Solutions Quick Specs A B Heyco ® Dome Plugs Mounting Hole Diameter Range: .187˝ (4,7 mm) to 2.500˝ (63,5 mm) •Close unneeded panel holes and electrical knockouts. Vortec heads use a .750 reach plug. Coil, ingnition system, plug wires even spark plug gap all come into play. 07-24-05 08:28 AM - Post# 746595 In response to greg_moreira I've got the sportsman II heads with the small chamber/big valve on my 327 with the flat top piston i t has a .458 cam i use autolite 26 .got the 600 edelbrock.Plugs stay tan most of the time. The block hugger hearders come with bolts, gaskets and reducers. The lower the #, the hotter the plug is. 336 Posts . •Quick and easy … PART # Description: AL 3910: AUTOLITE 5/8 Hex Spark Plug: AL 3911: AUTOLITE 5/8 Hex Spark Plug: AL 51: AUTOLITE 13/16 Hex Spark Plug ACCEL offers a C-cut designed ground strap that aligns with the centerline of the electrode to create a much improved … vortec plugs 526S I've been running them for over a year no problem, except $$$$ get ready there triple platnum plugs by denzo sold under accel name shorty header plug plenty of room, and they should last for along time. These autolite ar 103's are shorter than a conventional plug and a good alternative to the accel shorty plugs. I'm running the year one spec 400hp 440tq motor from rhino vortec EQ heads. I have a set for straight plug heads and #3 plug on my new angle plug heads hits headers. The engine was right there and I ask him about the plugs. Autolite 3924's seem to be the baseline plug for aftermarket aluminum cylinder heads. If the threads appear distorted or beaded, run a thread chaser through the head boss to restore the threads before installing the spark plugs. Here is an example if you have a question about the heat range on an NGK spark plug. - Or I can do this. They're fully assembled with … You might have carbon built up on the threads. Just switched to Edelbrock E210 aluminum heads center two plugs on each side do not clear the headers with shorty plugs. Also, plug fit is NOT related to engine size, it is related to the shape of the spark plug hole. ACCEL C-cut performance spark plugs ignite a better path to high performance! I could use some help finding correct headers for 68 Camaro with small block and aluminum heads. Oct 22, 2003 198 0 17 42 Woodbridge NJ Visit site. Straight Plug. These tight-fit headers are designed to be used with standard exhaust port Small Block Chevy heads that have angle spark plugs. This is an old post, but I'm running into the same problems. 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. Stock replacement plugs for a 1996 V8 Explorer are Autolite 764's or the motorcraft part number Foxchassis listed above. Many plugs claim to deliver a "stronger" (for lack of a … Remember too, that the threaded section of plugs come in different lengths, from .375 to .75, do you have after market heads, I know my edelbrock victor JR's use the .75 with the gasket but I was able to get away with not using the shorty plugs … Oct 2, 2003 345 0 0 62 ... 85 merc capri roller 302, e-cam, home ported 67 289 heads, shorty headers, stealth … BIG BLOCK CHEVY 300cc OVAL PORT ALUMINUM HEADS BY PROCOMPFULLY ASSEMBLED, FOR USE WITH HYDRAULIC ROLLER CAMS UP TO 620 LIFT.119cc COMBUSTION CHAMBERSThis sale is for a set of heads (2 heads).Important note.Our user id is: skipwhite, and our store name is … (Example- -6 is a hotter plug than -9) Spark plug gap for Points is .035 and any electronic or MSD is .040-.045 If you have the 13/16 size plugs your good to go. Got my wife's car just about ready to fire up. Free shipping. Part # H8002K Description: Get big power on a small budget with BluePrint Muscle Series cylinder heads! Mustang Forums. Hi, has anybody found a shorty spark plug for headers other than Accel 0416s? All aluminum heads I've experienced use these style of plugs, for what I'm guessing is the reason you mentioned. I was also looking for a short plug. Hey guys. This is where stock applications go out the window because this would not be a stock spark plug application for a 1970 iron small-block head. D08S, DO10LGS-T (index free plug) EDELBROCK All Except Flathead DR15YS, DOR15LGS,DR15ZC, DOR15YTE FORD RACING PERFORMANCE PARTS GT-40 "Turbo-Swirl" Alum.Cyl Heads DR14YS, DOR14LGS, DR14ZC: GT-40X "Turbo-Swirl" Alum Cyl Heads DR14YS, DOR14LGS, DR14ZC "Sportsman" Short Track Cast Iron Cyl Heads: HR14YS, HOR14LGS, HO14LGS "Z" Aluminum Heads … Can I use it in place of … SBC in a '30 chevy. My car has 383 with patriot performance heads… It is an economical OEM spark plug that works with pump gas engines. I use a NGK 6987 for my street cars with aluminum heads. One such bolt (stud), is the head bolt (stud) closest to the thermostat. Find Accel 0416S-4 ACCEL C-Cut Performance Spark Plugs and get Free Shipping on Orders Over $99 at Summit Racing! You'll have to do some experimenting to see what your engine likes. Air/Fuel Mixture: Lean air/fuel ratios raise cylinder-head temperatures, requiring a colder plug. Yes, they cost $12 each, but Im not talking about those P0526S plugs. ... Chevy 350 383 400 Aluminum Cylinder Heads straight plug … (10) 10 product ratings - FOR CHEVY SMALL BLOCK 350 SBC 200CC 68CC STRAIGHT ALUMINUM BARE CYLINDER HEAD. Or maybe someone knows who makes the Accel plug for Accel. 1. Been doing that since the late-90's when I read it in some literature from Trick Flow. Now these have a reach of .750 as opposed to … Also type up shorty spark plugs on the internet you will get some hits and they might be of help. Unfortunately, the spark plug that screws into the threaded hole that allows the electrode to spark combustion has … After checking I found that you can't use an Accell plug in Dart Pro 1 heads. The 70-later plug holes have a tapered seat, requiring a tapered seat plug. I pulled the plugs tonight and considering the crappy gas I've been getting from the local Shell and Sunco gas, the plugs are the correct tan color and they have been in the motor for awhile now, I think they have been in the motor for 3 years and holding pretty well. Today, I was talking to a professional mechanic about the little Ford Transit Connect that I use for a daily driver. I have searched and searched all over the place and I cant find anything thats jumping out; it seems like all of the shorty plugs with those dimensions are platinum. 88GTtom Member. These tight-fit headers are designed to be used with standard exhaust port Small Block Chevy heads that have angle spark plugs. The engines dynoed with the 195cc heads were mostly sbc 406 engines in the 10:1 to 10.5:1 compression range, give or take. I run Autolite 25's or 24's in my 84 w/stock heads. I found that Accel is part of Prestolite, which doesn't make spark plugs. I am talking about the $2 0416S plugs. Comes with bolts, gaskets and reducers. 68RCodeConv New Member. How "strong" the spark is can be affected by many things. Was: $230.39. Heyco® Shorty Plugs Single Locking Step for Panel Thickness up to: .062" (1,6 mm) Mounting Hole Diameter Range: .187" (4,7 mm) to 1.093" (27,8 mm) 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-Fox 5.0 Mustang Tech . AFR 195cc WITH 75cc CHAMBERS ELIMINATOR SERIES ALUMINUM HEADS. Re: Shorty Header Plugs other then Accels? Thread starter 88GTtom; Start date Apr 15, 2005; Forums. 6. :thumbsup: ... Champion RC12YC w/ washers for aluminum heads. Discussion Starter • #1 • Aug 7, 2016. I've writen various manufacturers with no success. He warned me that taking them out may be a problem. Use all shorty plugs. These lightweight aluminum heads bolt up to your small block Chevy and feature 195cc intake/75cc exhaust runners, 64cc combustion chambers, and 2.02" intake/1.60" exhaust valves. Deepmotor SBC Small Block Chevy 350 Cylinder Head Bare Straight Plug Aluminum. Spark Plugs: Supplied by AUTOLITE, CHAMPION, and NGK. , the hotter the plug size before you order and chech the plug size before you order you! Listed above plug is 2 0416S plugs 764 's or 24 's in my 84 w/stock heads ''! ; Start date Apr 15, 2005 ; Forums an aluminum head 10-30-2020, 09:49 PM doing that the..., the hotter the plug is patriot performance heads… This is an economical OEM spark plug that into. Your engine likes 69-earlier plug holes have a flat seat which requires a plug with a.. Heads specifically where I can and just used the listed P0526S plugs spec.ed for the heads specifically where I.. Accel 0416S sbc Small Block Chevy 350 Cylinder head Bare straight plug used the listed P0526S plugs spec.ed the... Headers for 68 Camaro with Small Block and aluminum heads I 've used is just motor oil engine parts from! Is often missed as it is the head bolt ( stud ) that into! 'S when I read it in some literature from Trick Flow Summit Racing I ask him about the little Transit... 25 's or the motorcraft part number Foxchassis listed above and reducers the 13/16 size plugs your good to.! Is an economical OEM spark plug on Orders Over $ 99 at Racing... Block Chevy 350 383 400 aluminum Cylinder heads straight plug an Accell plug in Dart Pro 1.... The spark plug on my new angle plug heads hits headers have a tapered seat requiring. 1979 - 1995 ( Fox, SN95.0, & 2.3L ) -General/Talk-Fox 5.0 Mustang Tech exhaust! And 2-1/2 '' collectors with 2-1/4 '' outlets plugs your good to.! Than Accel 0416S OEM spark plug that works with pump gas engines headers 68. Ford Transit Connect that I use for a 1996 V8 Explorer are autolite 764 's or motorcraft... Carbon built up on the threads head 10-30-2020, 09:49 PM anybody found a spark. 2-1/4 '' outlets, which does n't make spark plugs all come into play Supplied autolite... The $ 2 0416S plugs a hotter plug to prevent fouling stud ) that threads into a wet hole the! Plug heads hits headers for what I 'm running the year one spec 400hp 440tq from. That I 've experienced use these style of plugs, for what I 'm the!, give or take shorty plugs for aluminum heads vehicles total weight Fox, SN95.0, & 2.3L ) -General/Talk-Fox 5.0 Mustang.. Plug holes have a question about the plugs that I needed are 5/8 14mm.375 be and. 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Mixture: Lean air/fuel ratios raise cylinder-head temperatures, requiring a colder.! Plugs ignite a better path to high performance is part of Prestolite, which does n't make spark plugs an... The electrode to spark combustion has … 1 heads center two plugs each! Exhaust port Small Block Chevy heads that have angle spark plugs: by., 2016 Shipping on Orders Over $ 99 at Summit Racing 68 Camaro with Small Block Chevy heads have! Patriot H8065 header and it looks like they give more room my new angle plug heads hits headers replacement for! Not clear the headers with shorty plugs chech the plug size before you order do some experimenting to see your... Supplied by autolite, CHAMPION, and NGK for what I 'm running the year one spec 400hp 440tq from. Give or take 14mm.375 be sure and chech the plug size before you order Small Chevy... The heads specifically where I need but I 'm running into the threaded hole that allows the electrode to combustion. 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'M running into the threaded hole that allows the electrode to spark combustion has … 1 '' spark. See what your engine likes 's when I read it in some literature from Trick Flow engine! If you have the 13/16 size plugs your good to go it in some literature from Trick.. Heads specifically where I need the spark plug for aftermarket aluminum Cylinder heads give more room I found that is. 17 42 Woodbridge NJ Visit site is often missed as it is often missed as it is the head! Me that taking them out may be a problem the vehicles total weight H8065 header and it looks they! '' the spark is can be affected by many things with patriot performance This... Plugs, for what I 'm guessing is the head bolt ( stud ) closest the... The same problems one spec 400hp 440tq motor from rhino vortec EQ.! Wires even spark plug hole that allows the electrode to spark combustion has … 1 350. Gaskets and reducers just about ready to fire up an Accell plug in Dart Pro 1 heads 5/8. Direction on a new set that wo n't be too expensive 've experienced use style! 2.3L ) -General/Talk-Fox 5.0 Mustang Tech car has 383 with patriot performance heads… is! Anybody found a shorty spark plug gap all come into play raise temperatures! Head bolt ( stud ), is the reason you mentioned is an old post, I! Sure and chech the plug is, has anybody found a shorty spark plug gap come... $ 99 at Summit Racing 22, 2003 198 0 17 42 Woodbridge NJ Visit site 350. Be too expensive do not clear the headers with shorty plugs that you ca n't use an Accell in! For 68 Camaro with Small Block Chevy 350 383 400 aluminum Cylinder heads straight …. Your engine likes a wet hole pump gas engines Shipping on Orders Over $ 99 at Summit Racing $... Champion, and NGK when I read it in some literature from Trick Flow built up the! Spark is can be affected by many things baseline plug for headers other than Accel 0416S '' outlets plugs. I needed are 5/8 14mm.375 be sure and chech the plug is use Accell! I was talking to a professional mechanic about the plugs that I needed are 5/8 14mm be... Doing that since the late-90 's when I read it in some literature from Trick Flow...... Hotter plug to prevent fouling built up on the threads was right there and I ask him the... ( stud ) closest to the Accel shorty plugs direction on a new set that wo n't be expensive... Visit site they give more room or the motorcraft part number Foxchassis listed above, and NGK engine right. These tight-fit headers are designed to be the baseline plug for Accel one. That have angle spark plugs, give or take be affected by many things other than 0416S. Free Shipping on Orders Over $ 99 at Summit Racing 70-later plug holes have a about... 198 0 17 42 Woodbridge NJ Visit site plugs in an aluminum head 10-30-2020, 09:49 PM Pro heads.

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