I have been using the AC Delco R44LTS6 and re-gapping them to .045". Autolite, Bosch, Denso, NGK). A gap of approximately 0.025 inch is commonly used inconjunction with early Corvette point-triggered ignitions. Check here for special coupons and promotions. What is the spark plug gap on a 1978 Chevy C10 350L? Spark Plug Gap For 350 Spark plugs come pre-gapped, but you should always verify the gap with a spark plug gap tool. Some of these may no longer be readily available or have been superseded by GM and can be used to cross-reference to another brand such … Check here for special coupons and promotions. Spark Plug Gap Chevy 350 Engine? $29.99 $ 29. This book will give you the gap information on any vehicle engine through 2007, so keep it for reference on any future projects as well. The gap for a 350 small block should be 0.035 inches. Product Note: V-Power Spark Plug -- Gap 0.045"; OE Equivalent Design; 30,000 mi OE Manufacturer Recommended Service Interval Features: NGK V-Power spark plugs are tested to … Browse Categories Answer Questions ... What is the recommend spark plug gap for a 1972 chevy pickup with 350 v8. The spark plug gap for a 1991 Chevy Silverado 2500 V8-350 is .035, according to major spark plug manufacturers (i.e. If i put a 400 sbc crank and rods in my stock 350 what difference is it going to make.? I would like to change the spark plugs and have been told two different gap sizes: .034 and .032 are either of these gaps correct; what is the correct gap for this 350 engine? The spark plug gap adjustment should not be changed more than 3 times and should not exceed .008" in either direction. • A new Spark Plug has been released for use in the above vehicles. The specifications tag is missing from the engine compartment. I have a 1968 chevy 327 with camel hump heads. How much horsepower does the Chevy 5.7 350 small block have in the 95 Chevy Tahoe? Lv 7. For a 1984-1986 carbureted Chevy 350 5.7L engine the spark plug gap is 0.045.See source; page 161 in the spark plug guide. These cylinder heads were first used on 1996 trucks with port fuel injection, RPO L31. Re: 350 Chevy Engine with HEI- Spark Plug Gap? The new Spark Plug has an Iridium tip instead of the current Platinum tip. Order Spark Plug for your 1976 Chevrolet Corvette and pick it up in store—make your purchase, find a store near you, and get directions. Spark Plug Gap - 1972 Chevelle 350, Point Type Upgraded To HEI. 99. Shop 1972 Chevy C10 Pickup Spark Plugs & Components parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. The heads have 1.94" intake valves … Posted by Anonymous on Sep 29, 2014. Search Fixya. ... 15 chevy equinox Email Report IgnitionMan Valued Contributor Posts: 3860 Reg: 04-15-05. what is the recommend spark plug gap for a 1972 chevy pickup with 350 v8 - Chevrolet Cars & Trucks question. Spark Plug, Copper Core, Tapered Seat, 14mm Thread, .460 in. Year Model / Engine Copper Plus Plug Alternate Plug Gap; 1969-1962: Marine 194 CID 6-Cylinder: ... Marine 350 CID V8 2-bbl. If you get the Davis Unified Ignition for AMC which is basically a souped up HEI, they recommend .055-.060. 5% coupon applied at checkout Save 5% with coupon. A special spark plug gap gauge (sometimes also referred to as a feeler gauge) can be used to both measure the gap and adjust it as necessary. W hat is the spark plug gap … Due to the different tip design, the Gap of the Spark Plug has also changed. • The new Spark plug, P/N 12571164 with AC Delco P/N 41-110, is Gapped to 1.01 mm (0.040 in) when the Spark Plug is made. The threads are longer. Post by Baprace » Wed May 24, 2017 12:59 am We do a lot of high compression stock ignition circle track 2bb carb engines and we find that .032 - .035 works very well with OEM HEI distributor systems on gasoline. Also, the spark plug gap should never exceed .055" unless pre-set by the manufacturer. How to read an AC Delco spark plug nomenclature. Spark plug gap and timing for a 1977 K5 Blazer. The vortec heads take a different spark plug than the L82 or L48 heads that came on our corvettes. The intake and exhaust ports are very similar to the Corvette 350 LT1 heads. I need to know what gap I should put for the sparkplugs, and I am running an HEI distributor and a hitatchi mini starter if that matters. Answer Save. SPARK PLUG GAP IS SET TO AN OPEN LIMIT OF .045 NO LARGER, DON'T CARE WHAT IGNITION SYSTEM IS USED, DON'T CARE WHAT SOMEONE ELSE SAYS, DON'T GO ANY LARGER THAN .045, PERIOD. Favorite Answer. I had a 1980 Malibu years ago and the gap was bigger than my cars with points distributors. The appropriate spark plug gap for the Chevrolet 5.7-liter 350 V-8 is 0.035 inch. 1 decade ago. Spark plug gap for 1997 vortec 5.7? What Spark Plug are you guys running and what Gap I had NGK YR5 (V Power) gapped at .035 and just installed NGK UR5 (V Power) gapped .045 Here are the Engine Spec's It is a 350 2 bolt main casting # 3970010 Bored .30 over The heads are casting # 333882 Has 1.94 / 1.50 valves Where is ecm in 1990 chevy truck? Torque is a crucial aspect of installing spark plugs. Order Spark Plug for your 1972 Chevrolet C10 Pickup RWD and pick it up in store—make your purchase, find a store near you, and get directions. This truck originally came with a 305L, now it has a 350L so I don't know what the gap should be. ... GM made a real mistake with HEI performance during their Oldsmobile years, they specified a spark plug gap of .060, and even later, .080. 1972 Chevy C10 Pickup Spark Plugs & Components parts in-stock with same-day shipping. The cap and rotor should be fine since the system was designed for a wider gap. The car runs fine but am just wondering if my gap at .035 is too small. Some Corvette engine combinations prefer more spark-plug gap thanothers. I have a 1970 Motors manual that show AC Delco to be R44 used, but seen others that list R43S. Amazon's Choice for chevy 350 spark plug wire set. I'm running AC delco R45S plugs. If the engine has electronic ignition or a high performance cam then it might be greater, anywhere from 0.45 to 0.60″. Your Chevy Monte Carlo is a classy sedan that performs well wherever you drive. Spark plug gap 1977 350 chevy blazer? Get it as soon as Tue, Feb 2. I have a 1969 Chevelle with a chevy 350 engine. … How much horsepower does a 1969 350 Chevy engine have? 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