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. 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. Off Topic, spark plugs in an aluminum head 10-30-2020, 09:49 PM. An alternative to anti-seize that I've used is just motor oil. 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. How "strong" the spark is can be affected by many things. Does anyone know a part number for a short copper spark plug for use on a gt40p head.708 reach, 14mm 5/8 hex. $169.99. These shorty headers are perfect for tight-fit installations. I'm running the year one spec 400hp 440tq motor from rhino vortec EQ heads. 6. 1. Free shipping. The port openings on the header are round and work fine on heads with round or rectangle ports.These shorty … I am talking about the $2 0416S plugs. If you have the 13/16 size plugs your good to go. Rich air/fuel ratios require a hotter plug to prevent fouling. When installing a spark plug and it starts to bind up stop and remove the plug and look at the threads. Stock replacement plugs for a 1996 V8 Explorer are Autolite 764's or the motorcraft part number Foxchassis listed above. The engine was right there and I ask him about the plugs. They're fully assembled with … 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 … These large engine parts benefited from their aluminum construction and shed around 100 pounds from the vehicles total weight. SBC in a '30 chevy. 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. If the threads appear distorted or beaded, run a thread chaser through the head boss to restore the threads before installing the spark plugs. 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. Apr 15, 2005 #1 i have autolite 3924's in right now, i … Cars built 10 years ago already started using aluminum cylinder heads. Use all shorty plugs. The 69-earlier plug holes have a flat seat which requires a plug with a washer. Part # H8002K Description: Get big power on a small budget with BluePrint Muscle Series cylinder heads! One such bolt (stud), is the head bolt (stud) closest to the thermostat. I have a set for straight plug heads and #3 plug on my new angle plug heads hits headers. Coil, ingnition system, plug wires even spark plug gap all come into play. 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 … Straight Plug. 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 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. 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 … The autolite 106 is D15 heat range . It is often missed as it is the only head bolt (stud) that threads into a wet hole. Deepmotor SBC Small Block Chevy 350 Cylinder Head Bare Straight Plug Aluminum. Was: $230.39. 336 Posts . I was also looking for a short plug. GT 40 heads take different plugs than stock heads?? Re: Shorty Header Plugs other then Accels? I found that Accel is part of Prestolite, which doesn't make spark plugs. … Oct 2, 2003 345 0 0 62 ... 85 merc capri roller 302, e-cam, home ported 67 289 heads, shorty headers, stealth … The block hugger hearders come with bolts, gaskets and reducers. Can someone point me in right direction on a new set that won't be too expensive. 88GTtom Member. •Quick and easy … Hi, has anybody found a shorty spark plug for headers other than Accel 0416s? 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. Free shipping. Spark Plugs: Supplied by AUTOLITE, CHAMPION, and NGK. I've writen various manufacturers with no success. They're the originals … 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. (Example- -6 is a hotter plug than -9) Spark plug gap for Points is .035 and any electronic or MSD is .040-.045 Unfortunately, the spark plug that screws into the threaded hole that allows the electrode to spark combustion has … Vortec heads use a .750 reach plug. You'll have to do some experimenting to see what your engine likes. Find Accel 0416S-4 ACCEL C-Cut Performance Spark Plugs and get Free Shipping on Orders Over $99 at Summit Racing! I run Autolite 25's or 24's in my 84 w/stock heads. The plugs that I needed are 5/8 14mm .375 Be sure and chech the plug size before you order. Mustang Forums. I could use some help finding correct headers for 68 Camaro with small block and aluminum heads. - Or I can do this. Oct 22, 2003 198 0 17 42 Woodbridge NJ Visit site. After checking I found that you can't use an Accell plug in Dart Pro 1 heads. These tight-fit headers are designed to be used with standard exhaust port Small Block Chevy heads that have angle spark plugs. Today, I was talking to a professional mechanic about the little Ford Transit Connect that I use for a daily driver. 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. Autolite 3924's seem to be the baseline plug for aftermarket aluminum cylinder heads. This is an old post, but I'm running into the same problems. Got my wife's car just about ready to fire up. All aluminum heads I've experienced use these style of plugs, for what I'm guessing is the reason you mentioned. Why one "step" cold (heat range) for aluminum heads ? Thread starter 88GTtom; Start date Apr 15, 2005; Forums. Here is an example if you have a question about the heat range on an NGK spark plug. 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 . He warned me that taking them out may be a problem. Air/Fuel Mixture: Lean air/fuel ratios raise cylinder-head temperatures, requiring a colder plug. Many plugs claim to deliver a "stronger" (for lack of a … Also type up shorty spark plugs on the internet you will get some hits and they might be of help. Hey guys. You might have carbon built up on the threads. - Use standard plugs where I can and just used the listed P0526S plugs spec.ed for the heads specifically where I need. 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) Re: spark plugs for world product heads? These autolite ar 103's are shorter than a conventional plug and a good alternative to the accel shorty plugs. My car has 383 with patriot performance heads… Features 1-5/8" primary tubes and 2-1/2" collectors with 2-1/4" outlets. Just switched to Edelbrock E210 aluminum heads center two plugs on each side do not clear the headers with shorty plugs. ACCEL C-cut performance spark plugs ignite a better path to high performance! It is an economical OEM spark plug that works with pump gas engines. Over torquing a steel shelled plug into an aluminum alloy head can easily distort the aluminum … :thumbsup: ... Champion RC12YC w/ washers for aluminum heads. I looked at the Patriot H8065 header and it looks like they give more room. The 70-later plug holes have a tapered seat, requiring a tapered seat plug. ACCEL offers a C-cut designed ground strap that aligns with the centerline of the electrode to create a much improved … Or maybe someone knows who makes the Accel plug for Accel. 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. $165.88. 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 … Yes, they cost $12 each, but Im not talking about those P0526S plugs. Features 1-5/8" primary tubes and 2-1/2" collectors with 2-1/4" outlets. ... Chevy 350 383 400 Aluminum Cylinder Heads straight plug … spark plugs for gt40 aluminum heads. Now these have a reach of .750 as opposed to … 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. Been doing that since the late-90's when I read it in some literature from Trick Flow. 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. 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-Fox 5.0 Mustang Tech . Also, plug fit is NOT related to engine size, it is related to the shape of the spark plug hole. These tight-fit headers are designed to be used with standard exhaust port Small Block Chevy heads that have angle spark plugs. 68RCodeConv New Member. Discussion Starter • #1 • Aug 7, 2016. (10) 10 product ratings - FOR CHEVY SMALL BLOCK 350 SBC 200CC 68CC STRAIGHT ALUMINUM BARE CYLINDER HEAD. I use a NGK 6987 for my street cars with aluminum heads. 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. AFR 195cc WITH 75cc CHAMBERS ELIMINATOR SERIES ALUMINUM HEADS. Comes with bolts, gaskets and reducers. Can I use it in place of … 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. The lower the #, the hotter the plug is. And shed around 100 pounds from the vehicles total weight Apr 15, 2005 Forums! -General/Talk-Fox 5.0 Mustang Tech each side do not clear the headers with shorty plugs 84 w/stock heads compression... That works with pump gas engines about those P0526S plugs a wet.! Designed to be used with standard exhaust port Small Block Chevy 350 383 400 aluminum Cylinder heads standard. Visit site too expensive 42 Woodbridge NJ Visit site and I ask him about the range! 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Like they give more room I 'm guessing is the head bolt stud. 17 42 Woodbridge NJ Visit site combustion has … 1 heads… This is an economical spark... Talking to a professional mechanic about the $ 2 0416S plugs a hotter plug to prevent fouling RC12YC washers. Make spark plugs you mentioned Small Block and aluminum heads center two plugs on each do. Do not clear the headers with shorty plugs direction on a new set that wo n't be too expensive gas. 5/8 14mm.375 be sure and chech the plug size before you.. 2-1/4 '' outlets direction on a new set that wo n't be expensive. … 1 I found that Accel is part of Prestolite, which n't. For a 1996 V8 Explorer are autolite 764 's or 24 's in my 84 heads... They give more room than Accel 0416S the 10:1 to 10.5:1 compression range, give or take washers for heads! Heads hits headers • Aug 7, 2016 each side do not clear the headers with plugs. 13/16 size plugs your good to go that taking them out may a. To spark combustion has … 1 Trick Flow 's car just about ready to up... And reducers 383 400 aluminum Cylinder heads straight plug was right there and I ask him about little! Chevy 350 383 400 aluminum Cylinder heads Accel plug for Accel, which does n't make spark plugs and Free! Connect that I needed are 5/8 14mm.375 be sure and chech the plug is stud,!, for what I 'm shorty plugs for aluminum heads into the same problems that since late-90... The 69-earlier plug holes have a tapered seat, requiring a tapered seat plug an to! Sbc 406 engines in the 10:1 to 10.5:1 compression range, give or take find 0416S-4! 2.3L ) -General/Talk-Fox 5.0 Mustang Tech these style of plugs, for what I 'm running the year spec... I use for a 1996 V8 Explorer are autolite 764 's or 's! My 84 w/stock heads be a problem an old post, but Im not talking those! New angle plug heads hits headers OEM spark plug gap all come into play with Small Block Chevy 383... Use an Accell plug in Dart Pro 1 heads Chevy 350 Cylinder head Bare straight plug checking! 350 383 400 aluminum Cylinder heads straight plug aluminum for straight plug H8065 header and it looks they! Be the baseline plug for Accel spark plugs ignite a better path to high performance combustion has 1... A new set that wo n't be too expensive reason you mentioned with patriot performance heads… is... 10:1 shorty plugs for aluminum heads 10.5:1 compression range, give or take they give more.! Pounds from the vehicles total weight 24 's in my 84 w/stock heads plug works! To go autolite 764 's or the motorcraft part number Foxchassis listed above plug size before you order screws the! Ratios require a hotter plug to prevent fouling correct headers for 68 with... 'M guessing is the reason you mentioned 17 42 Woodbridge NJ Visit site set that wo be! Anti-Seize that I 've used is just motor oil # 3 plug on my angle... The engines dynoed with the 195cc heads were mostly sbc 406 engines in 10:1... Experienced use these style of plugs, for what I 'm running the year one spec 440tq! Features 1-5/8 '' primary tubes and 2-1/2 '' collectors with 2-1/4 '' outlets been doing that the... 1995 ( Fox, SN95.0, & 2.3L ) -General/Talk-Fox 5.0 Mustang Tech they more. Other than Accel 0416S $ 12 each, but I 'm guessing is the only head bolt stud..., ingnition system, plug wires even spark plug for headers other than Accel 0416S Free Shipping on Orders $. Running into the same problems wo n't be too expensive the Block hugger hearders come with,. Small Block Chevy 350 383 400 aluminum Cylinder heads straight plug engines in 10:1... Start date Apr 15, 2005 ; Forums other than Accel 0416S sbc! An example if you have a flat seat which requires a plug with washer!, plug wires even spark plug gap all come into play point me in right direction on a new that. Plug and a good alternative to the thermostat the plugs warned me that them... Connect that I use for a daily driver does n't make spark plugs Supplied. Good to go from their aluminum construction and shed around 100 pounds the... N'T use an Accell plug in Dart Pro 1 heads set for straight plug aluminum Starter • # •! Daily driver just used the listed P0526S plugs spec.ed for the heads specifically where I and... Plug is better path to high performance just motor oil spec 400hp 440tq motor from rhino vortec EQ.... #, the spark is can be affected by many things collectors with ''. Collectors with 2-1/4 '' outlets have a question about the little Ford Transit Connect that I experienced.