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View Poll Results: Which engine pings for you ?
318 155 48.29%
360 166 51.71%
Voters: 321. You may not vote on this poll

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RAM MAN
 
  Ping survey 318 or 360 ? - Posted: 05-12-2002, 04:04 PM
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Post #1

for those unfortunate owners who suffer with a continuous ping problem, I'd like to know if you own the 5.2 (318) or the 5.9 (360)
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Jedi
 
 Posted: 05-12-2002, 09:11 PM
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Post #2

No pinging here since I went to premium fuel
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Rusty
 
 Posted: 05-12-2002, 09:35 PM
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Post #3

Had a '99 with a 360, and an '01 with a 318, both pinged. So far, the new one doesn't (360).

Mike
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McClane
 
 Posted: 05-13-2002, 10:06 AM
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Post #4

5.2L

This was a serious b*tch of a problem to solve; 180 t-stat and cooler plugs helped, M1 reduced the pinging alot, and a new EGR valve. Truck still pings a little bit, but I guess it is something I'll have to live with.
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99Laramie
 
 Posted: 05-14-2002, 08:03 AM
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Post #5

yeah my stuff be pingin too
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Patriot Blue
 
  Ping - Posted: 05-14-2002, 09:52 AM
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Post #6

I've got the 5.2, don't have the ping but it sure lacks in power. I've got the flashed PCM.
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HBR
 
 Posted: 05-14-2002, 01:53 PM
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Post #7

B.S. flash = no ping = no power = no mileage!
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Durango
 
 Posted: 05-14-2002, 03:16 PM
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Post #8

5.2 had the ping switched to ethanol fuel and ping is gone, performance and
mileage improved.
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QCRam
 
 Posted: 05-20-2002, 05:09 PM
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Post #9

5.2. Pings on one cylinder, I'm getting some oil fouling on the one plug, either a valve stem seal or more likely the intake manifold to head gasket, dealer has been useless/obstructive, I've been complaining about this for two years now, now it's out of warranty, so I'll have a go at it myself this summer when I've got time. In the meanwhile Autolite 3924s keep the ping under control.
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DODGEBOYS
 
 Posted: 05-21-2002, 06:02 AM
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Post #10

having my 01 1500 2wd 3.9 flashed this FRI / I hope it clears it up with no lose of power / there is a TSB on this subject / I hear its a common problem with all the motors 3.9-5.2-5.9 / I,ll let you know how it comes out / later and MOPAR TO YA ///////// DEANO
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HankL
 
 Posted: 06-17-2002, 11:25 AM
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Post #11

My 360/5.9 Magnum V8 in a 1995 Ram pings slightly on 87 octane with the factory original PCM, but stops pinging if 93 octane is used.

It also pings a bit harder with the Mopar Perf PCM installed and 93 octane fuel. It will stop pinging if I spray Mopar Combustion Chamber Conditioner directly into cylinder 7 and 8 thru open sparkplug holes. This cleans away carbon deposits, but the pinging comes back in 1000-2000 miles.

The 360/5.9 V8 has 4.00 inch diameter pistons with 'soap-dish' reverse domes cast into their piston tops. I think these soap-dish depressions are more prone to fill up with carbon deposits, even though the 5.9V8 after 1995 had its compression ratio dropped from 9.1 to 8.9 The top of the 360 piston is also a fairly rough surface casting with a Chrysler emblem foolishly cast in the center. This roughness lets carbon stick better.

The 318/5.2 V8 has 'flat top' pistons that are slightly smaller at 3.91 inches. This type of piston should have slightly better combustion characteristics and less carbon build-up. I predict that this piston difference makes the 318 'slightly' less prone to pinging than the 360. The rod/stroke ratio of the 318 is also slightly better than the 360 and some engine experts have written that this may reduce pinging.
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SUN RA KAT
 
 Posted: 06-17-2002, 01:53 PM
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Post #12

Never had any pinging, either pure stock or going through the mods.

What percent of V8 Magnums have the pinging problem?
Am I in the lucky minority?
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smelwelo
 
  Unhappy '99 3.9L - Posted: 06-23-2002, 11:01 PM
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Post #13

'99 3.9L 2wd, 5sp. 47.7K mi. Has pinged since day one. Better gas does not help.
Sometimes pings at idle.
I think a very prevalent problem.
I live at about 5200 ft. altitude - have driven the truck from sea level to nearly 2 mi high. It pings.
Glad to know I'm not the only one.
Sam Gringo
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dubge
 
 Posted: 07-02-2002, 04:02 AM
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Post #14

My truck has never pinged! Not with any of the mods I have done! I always run 93 or better! Even when hitting the 100 shot of Nitrous and the Mopar PCM in my truck it has never pinged!

Ray
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jjonesnc
 
 Posted: 07-02-2002, 10:15 PM
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Post #15

Ping FIX
1995 Ram 1500 5.9
Noticed ping @2500-3000 rpm under light load.
Installed a 180 t-stat, Autolite 3924 plugs, 2.2k ohm resistor in the IAT plug (= bout 70 f to the computer) and went to 93 octane gas giving me smoother idle, quicker throttle response and quicker starts but STILL pinging.
When changing plugs I noticed that #7 had heavy oil deposits. This truck being new to me I changed oil and kept track of the level. Engine comsumed 3 quarts in 500 miles!.
Did an internal Vacumn leak test and didnt even have to hook up the Vac. guage because when I took the PCV Breather hose off I could hear the air being sucked in like a vacumn cleaner. The plenum pan gasket was leaking so bad im surprised it was running at all much less as good as it was.
Took the air cleaner assembly off and looked down the TB and saw the gasket sticking out at a 90 degree angle in THREE PLACES, worst of which was..........yep you guessed it-right beside the #7 intake runner.
The plenum Pan is made of stamped steel which seems to have shitty heat properties. Speedtweaks.net has a replacement Aluminum pan that fixes the problem. (bout 100$) A less expensive solution is the reinforcement kit from Hughesengines.com. It comes complete with rebars and new (longer) bolts, new "improved" mopar plenum pan gasket, intake gasket set and new intake bolts. As of this post, the rebar kit is on sale for 39.95 (regular 54.00).
The kit comes with great instructions showing the locations to put the rebars and revised torque specs.
I now can pull my 31 foot airstream on 87 octane with no ping at all and NO oil consumption.
while you are in there put in a 180 t-stat and its also a good time for wires, cap (with brass poles) and rotor.
I reused my TB gasket and EGR gasket because they looked to be in good shape.
I also left the fuel rails/ injectors in place-if you take them off, get the o-rings or you'll be sorry.
Get a spray can of gasket remover for the plenum pan gasket, it will be stuck good around the bolt holes.
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Last edited by jjonesnc : 07-03-2002 at 02:02 AM.
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christian
 
  Thumbs up  Posted: 10-31-2002, 02:52 PM
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Post #16

Two 360s. The 95 occasionally pinged but only long enough to notice... the computer changed timing and it was only a once in several months item... typically in summer hot months never in winter and always under very light throttle.

The 02 has never pinged yet... running 89 octane 100% of the time.

If you are a light foot like me and do only intermittent towing duty, then you'll find that the occasional fuel system clean in a bottle and a good run on the highway will help with those undetected (until you are pinging like crazy) carbon deposits.

If your rig has a bad build-up... forget the cleaner in a bottle - it won't help... it's more an occasional clean-up for well running engines - it ain't no miracle cure
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DreamCaster
 
 Posted: 10-31-2002, 07:54 PM
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Post #17

Quote:
Originally posted by Jedi
No pinging here since I went to premium fuel
Same here Changed out the plugs for some Bosch actually (before I read about the autolites) and am running premium fuel, which did the trick for me

~Peace
DC
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pyssed
 
 Posted: 10-31-2002, 09:27 PM
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Post #18

I've had two 318's for a total of 7 years with zero ping in either one of them no matter what gas I use or elevation.
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KellerSS/T
 
 Posted: 11-01-2002, 04:25 PM
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Post #19

I've had no pinging and no plug fouling problems. If y'all are referring to the "ticking sound" the 5.9 and 5.2 make it is from the T.B. sending fuel and air into the runners on the intake manifold.
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KellerSS/T
 
 Posted: 11-01-2002, 04:35 PM
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Post #20

There is a gas additive called RXP you can get at Auto Zone that really works. Cleans all the carbon out of your engine and reduces ping. Fixed my truck when I got a tank of bad gas.
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1997 Dodge Ram SS/T Black with Silver Stripes
Hughes Engines 52mm Billet Stage II TB
Accel Extreme 9000 8mm Wires
Brass Cap and Rotor
180* Thermostat W/ Aluminum Water Neck
Flowmaster 40 Series 3" inlet/offset outlet
Hypertech PP III
Gibson Stainless Steel Headers W/ Fel-Pro Gaskets
Catco Hi-Flow Cat (gutted)
3inch Exhaust Cutout
K&N Generation II FIPK with Thermotech heat shield
Relocated IAT Sensor
2" Rear Belltech Lowering Shackles
Extang Black Max Tonneau Cover
Falken Ziex S/TZ 275/60/17
Timing Chain and Harmonic Balancer replaced @ 180,000
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