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I have HEI distributor with 402/6.6L engine from 1971 Monte Carlo and I am installing AC Delco R45TS spark plugs, what gap size should I use?

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.045 for general go fast

Posted on Dec 06, 2014

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2 Answers

What is the recommended spark plug for a 2000 2.4 litre grand am...? Thanks.


You could have asked me in the original post!

Originally posted by Rba007
Just wondering what the stock gapping is on a 2.4...
According to my '99 owner's manual & http://www.ngksparkplugs.com:

2.4L L4 engine= Gap: 0.050" (1.27mm)
3.4L V6 engine = Gap: 0.060" (1.52mm)


Edit:
For 2.4L L4 engine

My owners manual lists AC Type 41-942 (Platinum Plug) Gap: 0.050" (1.27mm).
But http://www.acdelco.com says AC Delco part # 41-942 spark plug, platinum plug is GAP .060" without RPO (RC9).

Dec 15, 2015 | Cars & Trucks

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I have a 2005 Monte Carlo, and I have had a misfire problem for awhile now. Had it to the mechanic to replace blown # spark Plug 3 times. The plug will work fine for about 7-14 days, then blows agai


That sounds like they're installing too hot a spark plug - they should step down about two, maybe three ranges toward a colder plug, at least for that one cylinder. If that mechanic knows what they're doing, they'll know how to select a colder plug for that car's engine.

Unless, of course, the plug isn't "blown" but is instead carbon fouling. If THAT's the case, then that cylinder is losing oil badly - whether from serious cylinder-wall wear, broken rings, or a dried-out valve stem seal.

Aug 07, 2014 | 2005 Chevrolet Monte Carlo

1 Answer

Spark plugs


plug choice is personal and price weary u can pay from 1.99 --to 10.99 a plug some plug choices are champion --3035//autolite--ar3932//ac delco--r45ts//E3--42///bosch---4009 these plugs run 1.00 to 5.99 a piece and ur plug gap is .060

Nov 23, 2011 | Chevrolet Malibu Cars & Trucks

1 Answer

NEED SPARK PLUG WIRE DIAGRAM FOR 98 MONTE CARLO


Check this diagrams for each engine size...

1998 Chevrolet Monte Carlo 3.1 liter V-6 VIN "M"

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1998 Chevrolet Monte Carlo 3.8 liter V-6 VIN "K"

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Hope this helps, and remember ask for additional details.

Jul 28, 2011 | 1998 Chevrolet Monte Carlo

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I have a 95 monte carlo LS miss fire while idle


Hi and welcome to FixYa!

As a first course of action I strongly suggest that you replace the spark plugs and plug wires. If the plugs and plug wires are worn out, the current tends to jump which may cause misfire.

Hope this helps and thank you for using FixYa! Have a good one!

Mar 08, 2011 | 1995 Chevrolet Monte Carlo

3 Answers

My 95 monte carlo 3.1 has just started miss firing after i changed the spark plugs and wires


DID YOU GAP SPARK PLUGS AT 0.060 FOR 3.1L ENGINE OR 0.045 FOR THE 3.4L ENGINE.DID YOU BUY AC R44LTSM SPARK PLUGS. DID YOU BUY AC DELCO SPARK PLUG WIRES.BECAUSE IF YOU BUY WRONG TYPE SPARK PLUGS AND WIRES CAR WILL MISFIRE.

Feb 20, 2011 | 1995 Chevrolet Monte Carlo

1 Answer

What is the spark plug gap for a 1999 Suburban 5.7L usink NGK plugs?


first off u should use ac delco platnum! wen u open the hood look for the tag that says catalyst it will say engine size ect it will tell you the proper gap!

Apr 02, 2010 | 1999 Chevrolet Suburban

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