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 Engine ping in Series II

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jax95riv
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jax95riv


Name : Jack
Age : 61
Location : Oklahoma City
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Engine ping in Series II Empty
PostSubject: Engine ping in Series II   Engine ping in Series II EmptySun Jul 29, 2007 1:57 pm

My parents have a 97 Pontiac with a NA Series II. It's always had this engine ping for lack of a better word. I've tried higher grade fuel but that hasn't helped? Can I adjust something to make it quit if I find someone with a tuner?
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jax95riv
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jax95riv


Name : Jack
Age : 61
Location : Oklahoma City
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Engine ping in Series II Empty
PostSubject: Re: Engine ping in Series II   Engine ping in Series II EmptySun Jul 29, 2007 8:59 pm

The plugs I pulled out of it were AC 41-921.
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Mr.Riviera
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Name : Matthew
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Engine ping in Series II Empty
PostSubject: Re: Engine ping in Series II   Engine ping in Series II EmptySun Jul 29, 2007 9:10 pm

maybe something in it is broke, there are alot of other things that can make a knock noise. does it only do it at idle or at all rpm? does the ping stay steady or does it change with the valve motion?

_________________
1996 with 254k miles, L32 4" FWI -> ported N* -> Ported Gen V w/3.0" Pulley, Stage 3 Phenolic I/C, ZZP FMHE, 1.84 RR, Headers and 3" pipe to mufflers, F-body brakes, and lowered on Eibachs. -RIP
AMG C400 White on black. Stage 2 w/E30 - 11.9@117 -daily
Engine ping in Series II Dsc_0110
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jax95riv
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jax95riv


Name : Jack
Age : 61
Location : Oklahoma City
Joined : 2007-01-14
Post Count : 1062
Merit : 6

Engine ping in Series II Empty
PostSubject: Re: Engine ping in Series II   Engine ping in Series II EmptySun Jul 29, 2007 9:14 pm

I would say it steady. Noticable at highway speeds. My mom discribes it as "keys jingling". lol
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Mr.Riviera
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Mr.Riviera


Name : Matthew
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Engine ping in Series II Empty
PostSubject: Re: Engine ping in Series II   Engine ping in Series II EmptySun Jul 29, 2007 9:45 pm

bad coupler? just a guess, b/c i really cant tell you much without actualy hearing it or knowing more about the noise. sorry.

_________________
1996 with 254k miles, L32 4" FWI -> ported N* -> Ported Gen V w/3.0" Pulley, Stage 3 Phenolic I/C, ZZP FMHE, 1.84 RR, Headers and 3" pipe to mufflers, F-body brakes, and lowered on Eibachs. -RIP
AMG C400 White on black. Stage 2 w/E30 - 11.9@117 -daily
Engine ping in Series II Dsc_0110
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jax95riv
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jax95riv


Name : Jack
Age : 61
Location : Oklahoma City
Joined : 2007-01-14
Post Count : 1062
Merit : 6

Engine ping in Series II Empty
PostSubject: Re: Engine ping in Series II   Engine ping in Series II EmptySun Jul 29, 2007 10:04 pm

It's not supercharged.

I think my parents are going to give me the car. I thought about using the engine and tranny in da riv. I'd just need a supercharger for it. But I'd like to get the "ping thing" worked out before I'd consider it for an engine swap.
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Mr.Riviera
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Name : Matthew
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Engine ping in Series II Empty
PostSubject: Re: Engine ping in Series II   Engine ping in Series II EmptySun Jul 29, 2007 10:42 pm

my bad lol i didnt reread the N/A part
if you plan on doing a swap you may be better off selling the GP and buying a L67 to drop in. they go for pretty cheap.
can you feel the ping or just heap it? could it be an exhaust tick/leak?

_________________
1996 with 254k miles, L32 4" FWI -> ported N* -> Ported Gen V w/3.0" Pulley, Stage 3 Phenolic I/C, ZZP FMHE, 1.84 RR, Headers and 3" pipe to mufflers, F-body brakes, and lowered on Eibachs. -RIP
AMG C400 White on black. Stage 2 w/E30 - 11.9@117 -daily
Engine ping in Series II Dsc_0110
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jax95riv
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jax95riv


Name : Jack
Age : 61
Location : Oklahoma City
Joined : 2007-01-14
Post Count : 1062
Merit : 6

Engine ping in Series II Empty
PostSubject: Re: Engine ping in Series II   Engine ping in Series II EmptySun Jul 29, 2007 10:49 pm

I can't feel it, just hear it. It doesn't seem to affect performance, more annoying than anything. I thought maybe I could adjust something to fix it since it is a series II. Then I thought maybe a cooler range plug, but I don't know if that make a difference since it's not SC. dunce
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Engine ping in Series II Empty
PostSubject: Re: Engine ping in Series II   Engine ping in Series II EmptyMon Jul 30, 2007 8:59 am

I'd get it scanned to see if it's reading as KR. If it is a true knock issue, would be a good idea to do a fuel system and top engine clean. Otherwise, the noise could be the belt, lifters, a rocker, or something worse. Maybe the old screwdriver to the ear trick would help locate the source?

_________________
'05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26

'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes

'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
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'70 Ninety-Eight Holiday Coupe 455cid • 116k miles
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Engine ping in Series II Empty
PostSubject: Re: Engine ping in Series II   Engine ping in Series II Empty

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Engine ping in Series II
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