WebNov 30, 2010 · 2,523. 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. Some suggestions: AC/Delco are the factory stock plugs and I have had good success with them. R42LTS - Stock and a good place to start. R43LTS (colder) WebSpark Plug Thread Size: 14mm. Spark Plug Reach: 0.460 in. Spark Plug Seat Style: Tapered. Wrench Diameter: 5/8 in. Ground Strap Quantity: One. ACDelco GM Original …
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WebMar 28, 2006 · In response to mdj21. Chevrolet first used 14 MM plugs in 1933.1932 had 18 MM.Prior to that they were 7/8" 18 thread.From 1941-48 they used 10MM plugs. I use the same plugs in my 1934,1339,1950 and 1957...AC R45. The metric thread allowed the spark plugs to be used and sold all over the world - same for the cars. WebFind CHEVROLET 5.7L/350 NGK Spark Plugs Spark Plugs V8 Engine Type and get Free Shipping on Orders Over $109 at Summit Racing! ... Spark Plug Reach (mm) 11.68mm (14) 19.05mm (12) 17.98mm (8) 9.53mm (5) 17.53mm (3) 17.55mm (2) 18.01mm (1) ... Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, … festival inox chatou
spark plug thread - Chevy Message Forum - Restoration and …
WebFind Autolite Spark Plugs Shorty Spark Plug and get Free Shipping on Orders Over $109 at Summit Racing! Stock up on Stock Replacement Parts! ... Spark Plug Reach (mm) 9.65mm (4) 9.53mm (1) Get Results; Manufacturer Heat Range. 5 (1) Get Results; Center Electrode Type. Projected (1) Get Results; Wrench Diameter. 13/16 in. (3) WebMay 16, 2013 · Yikes, from what I do know, the reach on those are way too short for vortec heads... they won't work as they should as the spark would not be far enough into the combustion chamber. Those you listed have a .46" reach and the reach for a spark plug for vortec heads has to be at least .7+ inches. May 16, 2013. #10. http://clubhotrod.com/chevy-small-block/47026-spark-plugs-vortec.html festival inn stratford ontario bed bugs