Referenced From NGK Catalogue. The Spark Plug Cross references are for general reference only. However, according to an Autolite reference chart, Autolite 86 has the same heat range as 2244 and Autolite 303 is a hotter plug than 2974. . DUE TO DIFFERENCES IN DESIGN AND MATERIALS THE SPARK PLUGS OF VARIOUS MANUFACTURERS DO NOT HAVE EXACTLY THE SAME HEAT RANGE. NGK Plug Torque Settings It is essential to tighten a spark plug to the specified turning angle or torque setting as torque directly impacts a spark plugs ability to remove heat from the combustion chamber.Over tightening Dec 3, 2014 Details & FREE Returns Return this item for free. . R44LTS - G4YS. . Can nkg tr5gp replace a ac delco r44lts BPR5EFS is the plug that NGK recommends for vehicles using AC R44LTS. (3) Choose your plug model by referring to the vehicle model compatibility table. . Check for correct application and spec/measurements. Joined Apr 17, 2002 Messages 67,204. . Find ACDelco Spark Plugs Shorty Spark Plug and get Free Shipping on Orders Over $99 at Summit Racing! . Save on ACDelco Conventional Spark Plug (19300749) R44LTS at Advance Auto Parts. Buy online, pick up in-store in 30 minutes. Save $10 off $299, $20 off $599, $30 off $799, $100 off $1,599 Orders Spark Plugs: R44LTS or R42LTS for racing, Ignition Timing: 12 degrees BTDC (32° total @ 3000 RPM). varies according to manufacturer. . . Open 24x7 - Same Day Shipping! Looked up the cross reference and it goes to a r42lts the only thing I can see diff in this plug is slightly higher heat range. ACDelco Spark Plugs are precisely engineered and manufactured to provide everyday reliability and efficient performance, helping your engine run cleaner and longer. Shop for ACDelco Copper Spark Plug R44LTS with confidence at AutoZone.com. Find ACDelco 19354427 ACDelco Conventional Resistor Spark Plugs and get Free Shipping on Orders Over $99 at Summit Racing! I know this has been covered a thousand times, my apologies in advance. » Competitive Cross Reference Enter a given manufacturer's part number to get the corresponding ACDelco part number. . . anyone have any comments on this ? From each member of our corporate team to every franchisee and their dedicated staff, our company culture is evident and the goal is the same: we work together every day to be the best we can be and to deliver the best service possible. This catalogue lists only vehicles officially imported or manufactured in the UK and is effective from 3rd November 2020. AC Delco Original Plug Type NOLOGY SILVER™ 12571164 Iridium G4YS. (1) This comparison chart does not guarantee capability with any vehicle. Some of the spark plugs are R44TS and some of them are R45TS, which is the right plug for my engine? What we do know is the U.S. Patent office began issuing patents to protect a variety of ignition products in the late 1800s. Click …. I have an 83 Monte Carlo that was converted to an SS. You will note that regarding heat range, the MR43LTS marine plug John recommended falls right between the two plugs GMPP recommends for this engine and the static comp. . Home About Us Returns View Feedback Add to Favourites Main Description Part Number: Manufacturer: Ngk Thread Length : 17.5mm Outer thread : 14mm Hex Nut Size : 16 mm Spark projection : 3mm Taper gasket Seat Quantity: 6 UK Stock Cross Reference Numbers: LETRIKA : FET55PRS GUTBROD : 092.40.182 ACDelco : R44LTS, R46LTS BRISK : GR 17 YC Additional Information Payment Feedback … NGK has been developing spark plug technology since the 1930s and manufacture plugs for every type of automotive engine, as well as for motorcycles, marine, horticultural, plant and many other applications. R42XLS - L0S. Parts are just part of what we do. 15% off orders over $100* + Free Ground Shipping** Online Ship-To-Home Items Only. . . Spellbound Veteran Member. . Messages: 334 Likes Received: 0. I have been using the AC R44LTS for a while now, a lot of guys are telling me to use NGK plugs, what part number? Any use of this cross reference is done at the installers risk. . Home > Spark Plug cross reference list. 4.8 out of 5 stars 13 ratings | 3 answered questions Price: $3.87 FREE Shipping on your first order. NGK Spark Plugs. . list of all vehicle manufacturers in the world;list of all oil filters in the world;complete list of aftermarket and oem part numbers including BRISK USA SPARK PLUG CATALOG. . 5613611 R44LTS, set of 8 5614210 MR43LTS, set of 8 25164641 #3, Rapid Fire style, set of 8 P526S Accel U-Groove “SHORTY” Double Platinum Header Plugs approximately 3/16" shorter then R44LTS plugs, set of 8 RS12YC Champion Autolite 104 or 26 ACCEL 516 Bosch HR10B or HR10BX, HR9DC Sep 5, 2013 #5. . I don't know what the engine came from, it came with the car when I bought it. Check for correct application and spec/measurements. 31 replacement spark plugs for AC DELCO AC3. . . . I have a stock L31 Vortec long block with a TBI mounted on it. Use Code: OCT15. CR43TSM - n/a. . . Available for most older vehicle makes and models, ACDelco Spark Plug design features: * A copper … This block is drilled and tapped for clutch linkage. There is about 20 different NGK numbers on the cross reference chart. (2) Plug specifications (design, materials, etc.) . . 41-814 - R4YS. . The Spark Plug Cross references are for general reference only. . 41-985 Iridium G4YS. looks like the 41-943 plugs are now no longer made. Dec 26, 2013 #7. Feel free to download this catalog for any information reference of Brisk Spark Plugs. The heat rating indicates the thermal characteristic of the spark plug, or how hot or how cold the spark plug is. If it is functionally the same as the 44T just a bit longer sounds fine - but that cross Ref concerns me. ... R44TS Gap @ .045 (300 HP 350) 41-932 Gap @ .060 (330 HP 350) R44LTS Gap @ .045 (330 HP 350) Rapid Fire #8 @ .035 Ignition Timing ..... 10 BTDC @ 700 RPM. If you want to try the Autolites R45T converts to part # 145 R44T is a # 145 R43T is a # 144 Good Luck-----Drew 69' X-11 350, Turbo 350, Factory Air, PS, PB, 12 Bolt (410 gear) & NOT AN SS [This message has been edited by drew69 (edited 07-18-2002).] Any use of this cross reference is done at the installers risk. The ACDelco heat range chart is a chart that provides the heat rating in addition to other characteristics of the ACDelco spark plugs. There has always been historical disagreement as to the inventor (Edward Berger versus Sir Oliver Lodge) and date that the first electric plug was used to spark the air/fuel mixture in an internal combustion piston engine. Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. 94 Chevy C1500. You can go to these links for other brand options using the cross reference. Has anyone used these plugs any insight would be great. Bondo Moderator. COPO said: R44TS R= Resistor Please use it for reference only. Read full disclaimer. r44lts 408 / rs14yc r44lts6 13 / rs14yc6 r44lts6k 13 / rs14yc6 r44ltsm 15 / rs15lyc r44ltsm6 15 / rs15lyc r44ltsma 15 / rs15lyc r44ltsma 20 / rs13lyc5 r44n 123 / rn5c r44ns 405 / rn14yc r44ntse 407 / rs14lc r44s 14 / rj12yc ... cross reference tableau de renvois referencia cruzada. » New Competitive Cross Reference Search Shop ACDelco for Spark Plugs and Glow Plugs for your Chevy, Buick, GMC, Cadillac or non-GM car or truck, and for other auto parts solutions for your vehicle. 0272 41-910. . Joined: Oct 5, 2013 Location: New Hampshire. . I am getting knock retard also, so am hoping a colder plug will help. . GM manual says 943 but the 943 is not listed anymore but the 41-950 is listed as a proper spark plug. Thanks and I'll try to get some pics up this weekend . THIS CROSS REFERENCE TABLE IS INFORMATIVE ONLY. . ratio and cam timing are similar to your 350 Vortec based engine as well. . 41-110 Iridium G4YS. . 0882 40ts. Also. 180 spark plugs cross reference ac-delco accel s/p 121xls . . Part Number: R44LTS Cross Reference Spark Plug. ... Any use of this cross reference is done at the installers risk. You can google "cross reference for AC spark plug R44LTS" and get a … on the plug cross reference they appear to be the same . Not that autozone is particularly perfect - far from it . Get yours online today and pick up in store. I am currently running AC Delco R44LTS plugs, and reading the plugs, I would like to step down a heat range or 2? Winner’s Circle Our team is a circle of winners that would not be complete without every component working together as a well-oiled machine. 41-932 Iridium G4YS. Staff member. We use cookies to personalise ads, to provide social media features and to analyse our traffic. Obviously, the engine is not stock because Monte Carlos, SS, or not, didn't come with a 350 in the 80's. Possible replacement spark plugs for AC DELCO - R44LTS ACDelco R44LTS Professional Conventional Spark Plug (Pack of 1) by ACDelco. . . Here is the AC cross reference. . Free returns are available for the shipping address you chose. . [This message has been edited by drew69 (edited 07-18-2002).] Letter Application R44lts. CR43TS - n/a. The AC Delco Spark Plug Decoder Table Prefix and suffix letters are used to identify a specific type plus the numbers relate to thread size and heat range. . , helping your engine run cleaner and longer up this weekend 12571164 G4YS. Ac Delco R44LTS BPR5EFS is the right plug for my engine ac spark plug R44LTS '' get..., 2014 Find ACDelco spark plugs Shorty spark plug brands or manufactured in the UK and effective... 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