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 Riviera from hell

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Johnny5
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PostSubject: Riviera from hell   Riviera from hell EmptySat Sep 14, 2013 3:29 pm

Riviera from hell 20130626_172454_zpsf9ac56a7
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell EmptySun Oct 13, 2013 12:40 am

Its been a fun day today you guys ... who ever said changing the lower intake gasket was fun and with short term memory oh man what a job this is .... installed new fuel filters cleaned around the injectors replaced plenum and lim gaskets 180 degree thermo is in full effect all of this while trying to sober up from a funday night
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Eldo
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PostSubject: HELLo to my fellow rivi drivers   Riviera from hell EmptySun Oct 13, 2013 3:21 am

Good looking car, dude.
I like the balance of the optional gold trim and the more outrageous tires/rims.

First thing you gotta' do with that PCM BS is have a GM dealer check it with a Tech II...
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PostSubject: Re: Riviera from hell   Riviera from hell EmptySun Oct 13, 2013 9:42 am

That's a nice backdrop Johnny5... haha... good looking car from afar though. Are those 20s?
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell EmptySun Oct 13, 2013 10:29 am

Eldo wrote:
Good looking car, dude.
I like the balance of the optional gold trim and the more outrageous tires/rims.

First thing you gotta' do with that PCM BS is have a GM dealer check it with a Tech II...


Im aeroforced scan guage is on deck fuel trims is still messed up
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell EmptySun Oct 13, 2013 10:33 am

ZEP wrote:
That's a nice backdrop Johnny5... haha... good looking car from afar though. Are those 20s?

Only problem is the paint fading to the roof and trunk but other than thats is good looking up close too just didnt want my plate tags all over the internet
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell EmptyTue Oct 15, 2013 12:04 am

Riviera from hell 20131006_110455_zps3f241891

Wth this is after the change of the lim gaskets
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell EmptyWed Oct 16, 2013 6:18 pm

Just order my 3" dp with CAT from zzp hbody style
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell EmptyWed Oct 23, 2013 11:16 pm

So im like whats next, I got this big mother effer today should I bolt this on asap or stay catless?

Riviera from hell 20131023_185007_zps04244924
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Eldo
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PostSubject: Re: Riviera from hell   Riviera from hell EmptyThu Oct 24, 2013 1:44 am

Well, cats these days (especially performance cats) don't create the power-robbing backpressure that the original GM pellet jobs did in the 70's & 80's...

The rest depends on Louisiana's smog laws and your own eco-conscience.   cool
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell EmptyThu Oct 24, 2013 1:51 am

This how I spent my Wednesday doing this to make sure I dont have vacuum leaks Riviera from hell 20131023_152234_zps51f7f27f
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell EmptyThu Oct 24, 2013 1:53 am

Riviera from hell 20131023_152226_zps2afc7460 Riviera from hell 20131023_152220_zps94e25db6
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1978Z1R
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PostSubject: Re: Riviera from hell   Riviera from hell EmptyThu Oct 24, 2013 2:21 am

Does the catted pipe from ZZP go right in or did you need to make modifications?
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Eldo
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PostSubject: Re: Riviera from hell   Riviera from hell EmptyThu Oct 24, 2013 2:50 am

Johnny5 wrote:
This how I spent my Wednesday doing this to make sure I dont have vacuum leaks.

GOOD boy!   razz 

Those are aluminum gaskets, right?
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell EmptyThu Oct 24, 2013 3:15 am

Eldo wrote:

Johnny5 wrote:
This how I spent my Wednesday doing this to make sure I dont have vacuum leaks.

GOOD boy!   razz 

Those are aluminum gaskets, right?


Yes sir they are revised alum. ... and my car is still running lean so im not going to put it on yet and its supposed to be a direct fit its the h bodyit was listed under the Riviera
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AA
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PostSubject: Re: Riviera from hell   Riviera from hell EmptyThu Oct 24, 2013 6:23 am

Nice work!

_________________
'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
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch

^^^ SOLD ^^^ frown

'05 GTO • 85k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26
Because fun


'70 Olds Ninety-Eight Holiday Coupe • 116k miles • 455 Rocket V8
Because cool


'95 Celica • 152k miles • 0-60: yes
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http://www.cardomain.com/ride/657082/4
deekster_caddy
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PostSubject: Re: Riviera from hell   Riviera from hell EmptyThu Oct 24, 2013 10:46 am

Nice work. I still think you should make sure all of your issues are resolved before you throw that downpipe on there.
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell EmptyThu Oct 24, 2013 12:09 pm

That is my goal deekster this is my second time in this engine and I cant figure out the lean code reasons and thats the reason why that down pipe is sitting in my living room
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell EmptyThu Oct 24, 2013 2:48 pm

What is the pulley under the supercharger assembly called
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Abaddon
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PostSubject: Re: Riviera from hell   Riviera from hell EmptyThu Oct 24, 2013 4:11 pm

Johnny5 wrote:
What is the pulley under the supercharger assembly called
The pulley immediately under and just right of the S/C snout is the Tensioner Pulley/Assembly.

Like bigDave has suggested, if your vacuum lines are all good, the LIM gaskets are new, and your Air Intake Box/tubing is all leak-free, I'd be looking at the MAF sensor for a problem.
One thing you can try is unplugging the MAF sensor while monitoring the STFT. Let the car run for awhile with it unplugged. If the STFT creeps up and pegs at the 16.4% again, chances are, there is still an air leak somewhere. If the STFT stays low, you might just have yourself a bad MAF.
This is more or less a "backyard" way of checking the MAF sensor. Without a MAF frequency tester thingy (I forgot what it's called), there's really no way of knowing it's bad. Well, with a MAF table and corresponding TPS values one could verify its function.....

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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell EmptyThu Oct 24, 2013 6:28 pm

Abaddon wrote:

Johnny5 wrote:
What is the pulley under the supercharger assembly called
The pulley immediately under and just right of the S/C snout is the Tensioner Pulley/Assembly.

Like bigDave has suggested, if your vacuum lines are all good, the LIM gaskets are new, and your Air Intake Box/tubing is all leak-free, I'd be looking at the MAF sensor for a problem.
One thing you can try is unplugging the MAF sensor while monitoring the STFT. Let the car run for awhile with it unplugged. If the STFT creeps up and pegs at the 16.4% again, chances are, there is still an air leak somewhere. If the STFT stays low, you might just have yourself a bad MAF.
This is more or less a "backyard" way of checking the MAF sensor. Without a MAF frequency tester thingy (I forgot what it's called), there's really no way of knowing it's bad. Well, with a MAF table and corresponding TPS values one could verify its function.....



Thanks don... but I took a picture its on the aeroforce they are both pegged at the max sooo....whats next?
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell EmptyThu Oct 24, 2013 6:51 pm

So let me ask if the custom intake will that cause this problem
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell EmptyFri Oct 25, 2013 1:33 am

Okay Mr. ABADDON I have done what you have requested I should do and here is the footage. Riviera from hell Th_20131024_232858_zpse22a9566
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Johnny5
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PostSubject: Re: Riviera from hell   Riviera from hell EmptyFri Oct 25, 2013 1:35 am

Click on it to see I guess and dont mind me being a dork. But im thinking your idea worked really it did....


Riviera from hell Th_20131024_232619_zps75f85677
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Abaddon
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PostSubject: Re: Riviera from hell   Riviera from hell EmptyFri Oct 25, 2013 9:16 am

Progress! With the MAF unplugged, the car is forced to run "base" with the O2 readings. If your car had a vacuum/air leak, the O2 would still be reading lean, and the PCM would still be dumping fuel to try and cure it. It appears that you don't actually have an air leak somewhere...

It'd be cool if you had a known good MAF from somewhere that you could plug in and verify function. We have many, many good used MAF sensors here at the shop that we use for diagnosing pesky problems like yours. It's rare that a MAF actually goes bad, but when they do, they will drive you crazy trying to figure it out. See if you could possibly pick one up from a salvage yard. Preferably a salvage yard that offers like a 30 day warranty or something similar should the one they sell you be bad.
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