V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

Diagrams/Pictures?

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Old Mar 15, 2004 | 02:57 PM
  #1  
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From: Fremont, CA
Car: 1987 Camaro v6 2.8l MPI
Engine: one that goes "vroom vroom"
Transmission: one that shifts
Diagrams/Pictures?

I am completley new to cars.....i'm fairly used to motorcycles. I recently picked up an 87 v6 MFI, and loving it....well, WAS loving it.

Basically, just wondering if anyone can give pics/diagrams of where to find the IAC, PCV, and Throttle Body is. I've been looking under the hood.....but honestly, i'm too afraid to touch something when i don't know what it is.
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Old Mar 15, 2004 | 03:14 PM
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From: Belchertown MA
Car: 1988 Pontiac Firebird
Engine: 2.8 Lt
Transmission: 5 Spd
Hey man. I can't give you diagrams, but can tell ya where everything is. The IAC is on top of the throttle boddy and u will need a 32 mm wrench to take it out. I sure u knwo where the throttle body is. Follow the air filter vents. Its right in front of the engine. The pcv vavle is on the drivers side located on the valve cover. Its a black plug. Any other questiosn feel free to ask.
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Old Mar 15, 2004 | 03:21 PM
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From: AR
Car: 1991 Camaro RS Vert
Engine: 350 S-TPI
Transmission: T5
Axle/Gears: GU5/G80/J65
Not trying to sound rude here.

But if your not use to cars, go pick up the 15-17 bux haynes or chiltons manual. It will help a ton!!

Otherwise, welcome to the boards.
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Old Mar 15, 2004 | 10:31 PM
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From: Fremont, CA
Car: 1987 Camaro v6 2.8l MPI
Engine: one that goes "vroom vroom"
Transmission: one that shifts
Im just an idiot. I have the Chiltons manual, but it covers 82-88 or something, and 2.5-5.0 carbed and FI....therefore, different engines, different diagrams. They show briefly what it looks like, but unless i know where to look....lol

Camaroman - Thanks man, ill take a look tomorrow, see if i can find them and check them out!
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Old Mar 15, 2004 | 11:41 PM
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From: BFE, MD
Car: 13 Ram 1500/ 78 Formy
Engine: 5.7 / 7.4
Transmission: 6sp / TH350
Axle/Gears: 3.55 posi / 3.23
I think he has the older Haynes book, w/more emphasis on teh 82~84 carbed cars, and not the 85 on fulie ones.
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Old Mar 16, 2004 | 03:15 PM
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From: Belchertown MA
Car: 1988 Pontiac Firebird
Engine: 2.8 Lt
Transmission: 5 Spd
No problem. Let me know if you need any other information.
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Old Mar 16, 2004 | 04:05 PM
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From: Fremont, CA
Car: 1987 Camaro v6 2.8l MPI
Engine: one that goes "vroom vroom"
Transmission: one that shifts
I decided to take a look, see if i could find the stuff.....and yes, i really am a retard.

Here's a pic of when i was replacing the MAF, so i took off the black "V" cover thing.

I know i'm asking for a lot, but could ya point out where these things are?
Attached Thumbnails Diagrams/Pictures?-im000191.jpg  
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Old Mar 16, 2004 | 06:10 PM
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From: AR
Car: 1991 Camaro RS Vert
Engine: 350 S-TPI
Transmission: T5
Axle/Gears: GU5/G80/J65
Heres my sorry photoshop.

The PVC gives you the general area, its in the valve cover and not really seen in this picture.
Attached Thumbnails Diagrams/Pictures?-im000191.jpg  
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Old Mar 16, 2004 | 06:12 PM
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From: AR
Car: 1991 Camaro RS Vert
Engine: 350 S-TPI
Transmission: T5
Axle/Gears: GU5/G80/J65
on my site here...

http://downndirty10.tripod.com/dalers/id4.html


The bottom picture, is a prime PVC shot. See the two black things in the valve cover (I know they dont look like yours), the pvc is the rear black thing plugged in it.


:edit:, and yes, go pick up a newer manual, sounds like yours is an older version directed towards carbs, not the newer FI ones.

Last edited by Dale; Mar 16, 2004 at 06:15 PM.
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Old Mar 17, 2004 | 08:50 PM
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From: Fremont, CA
Car: 1987 Camaro v6 2.8l MPI
Engine: one that goes "vroom vroom"
Transmission: one that shifts
Just for verification.....the yellow circled valve is the PCV, right? If so, i have seen that before....just didnt realize that was what i was looking for! LoL Got any other good pics that i could use for referance? Like for doing my own tune-up? Stuff thats usually done ya know?
Attached Thumbnails Diagrams/Pictures?-p7240007.jpg  
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Old Mar 17, 2004 | 09:04 PM
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From: Mililani, HI USofA Search Posts: 2848.............. Whore Posts: 47.................. Magical Whore Posts: 1
Car: 91 Camaro 77K
Engine: 3.1 Vslick
Re: Diagrams/Pictures?

Originally posted by sinfulwish
I am completley new to cars.....i'm fairly used to motorcycles. I recently picked up an 87 v6 MFI, and loving it....well, WAS loving it.
I was just getting into motorcycles early last year , but then I crashed last year on May 31st. It was a really bad crash too, left me in a coma for 3 months, I don't even remember the accident, so I have no idea as to whos fault it was. I was riding with my friend, but he always rides in front of me, so he did not see anything.
Oh well.

I was big into doing stuff on my cars before the accident, now they are just sitting around. My dad starts tem up at least once a month and drives them arround a little.

My bike used to be a Gixxer 750, well it still is, but its basically undrivable.
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Old Mar 18, 2004 | 12:31 AM
  #12  
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From: Fremont, CA
Car: 1987 Camaro v6 2.8l MPI
Engine: one that goes "vroom vroom"
Transmission: one that shifts
damn dude.....sucks to hear I've only been in one accident, and it was on my bike. I ended up high-siding after hitting a median at night, in the rain, with no power to the city grid I was only going like 15, but thats all it took. At least i was able to walk away from it.

Has it left you perm. disabled? or have you completely healed? Hope theres nothing holding you back now. I know it sounds stupid, but i hope you get on another bike. Seeing a down rider is one thing, but seeing him refuse to mount another bike is different. I say conquer your fear, keep it simple, get a cruiser, like a kawi vulcan, 750. Ive had 2 of those, loved them.

My dad has been a mechanic most my life...but it was him and my older brother that were always tinkering on cars together. I was often pushed aside since i didn't retain much knowledge about them. Instead, i turned into the family PC repair guy. I started riding bikes, then building my own, then got a motorcycle about 5 years back, then my first car(and class c license) about 2 years ago. Yeha, i know, late in life, but im only 23.

The way i see it, i got this camaro for $500, spending a total of 3k to get it running good is a good deal to me. It will give me knowledge and experience, and have a fun vehicle for a while. Problem is....there isnt anyone really local i can go to for help. My dad....but he's getting old, hard for him to do much of anything, and him and I usually just collide with eachother.
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Old Mar 18, 2004 | 12:20 PM
  #13  
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From: Fremont, CA
Car: 1987 Camaro v6 2.8l MPI
Engine: one that goes "vroom vroom"
Transmission: one that shifts
Figured id get a pic of the car itself....clean body, no dents or dings, just some paint scuffs and chips.
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Old Mar 18, 2004 | 12:22 PM
  #14  
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From: Fremont, CA
Car: 1987 Camaro v6 2.8l MPI
Engine: one that goes "vroom vroom"
Transmission: one that shifts
Duh, the pic wouild have helped.
Attached Thumbnails Diagrams/Pictures?-camright2.jpg  
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Old Mar 18, 2004 | 12:42 PM
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From: Mililani, HI USofA Search Posts: 2848.............. Whore Posts: 47.................. Magical Whore Posts: 1
Car: 91 Camaro 77K
Engine: 3.1 Vslick
Well that is kool. I'm definately not going to let this stop me from riding, its just going to slow it down. On the disabillity thing the only thing that is affected is my left arms nerves got kinda damaged, so now I gotta wait for them to heal. I hate waiting. I'm 23 too by the way. Plus i'm a computer guy, I lost mt job about 20 days before the accident. I basicall got fired cause the guy did not like me.

Well we could do this over PM instead of typing it all out on this thread, ok.
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Old Mar 18, 2004 | 12:43 PM
  #16  
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From: Mililani, HI USofA Search Posts: 2848.............. Whore Posts: 47.................. Magical Whore Posts: 1
Car: 91 Camaro 77K
Engine: 3.1 Vslick
Oh ya this car I got the first week I was working.
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Old Mar 18, 2004 | 01:15 PM
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From: AR
Car: 1991 Camaro RS Vert
Engine: 350 S-TPI
Transmission: T5
Axle/Gears: GU5/G80/J65
sorry I didnt reply sooner. Yes, you found the pvc.

I have other pictures, just not hosted anywhere. Plus I have a digi cam, and am usully willing to take pictures of anything I dont have to dis-assemble to do it.
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Old Mar 18, 2004 | 04:19 PM
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From: Belchertown MA
Car: 1988 Pontiac Firebird
Engine: 2.8 Lt
Transmission: 5 Spd
Hey dale can you take a picture of your engine compartment?
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Old Mar 18, 2004 | 04:21 PM
  #19  
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From: Fremont, CA
Car: 1987 Camaro v6 2.8l MPI
Engine: one that goes "vroom vroom"
Transmission: one that shifts
sinfulwish2@earthlink.net is my email, if you have any pics showing the IAC, would be great I found the PCV valve, just, forgot the manual on how to remove it...lol so i'll do that tomorrow.

Oh, the distributor cap and rotor? umm...yeah, where are those? And on the photoshopped pic, you brought up TB, throttle body?


KJ, hit me up in email man. nice car btw! look really clean. I'm thinking about getting a paint job, want a green. Don't think i've seen any older cams out there is green....lol
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Old Mar 18, 2004 | 04:34 PM
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From: Belchertown MA
Car: 1988 Pontiac Firebird
Engine: 2.8 Lt
Transmission: 5 Spd
Yo, The dist. cap is rihgt behind the intake of the car. It where the spark plug wires connect to. There should be 6 going around in a circle and there should be 1 in th emiddle going to the coil. To remove the cap. simply onscrew the screws ont he bottum of it. You will see them. Once the cap is off, you will see the rotor. It should be white, not all of them are though. Just pull hard on it and it will pop right off. Then when reinstalling just line it up wth groove and push down, and it will click in. Then remove one spark plug wire from the top of the dist. cap and put it on the new one. MAKE SURE YOU HOLD THE CAP LIKE THE OTHER ONE IS SETUP, OR U WILL SCREW UP YOUR FIRING ORDER! Once that is done, tighten everything right back up. The idle air control is located on the TB just like the picture shows. To remove this undo the eltrical clip that goes into it and take either a adjustable wrench or a 32 mm wrench and turn it loose. It will come up. It is threaded in there. I would buy a new one for 27$ and it comes with a new gasket. Before putting the new one in, make sure the gasket is on the new one and the mounting surface is clean. There are also i think 4 or 5 screws on top of the TB that are hex screwes. I would unscrew them and then there will be a plastic gasket. Simply remove it and if good shape do not replace it. Spray carb cleaner in there and clean out all of the carbon. Then dry it out and put the plastic gasket back on making share it is aligned and then screw the top back on. The PVC value is real easy to change. if it hasn't been changed in a while then it may be hard ot remove. All you have to do is yank out the rubber hose and then u will see the pvc valve. It should pull out but can be hard. Then push the new on in the rubber hose so it is in there good then put the rubble hose back in the valve cover. Anything else let me know.
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Old Mar 18, 2004 | 05:33 PM
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From: Fremont, CA
Car: 1987 Camaro v6 2.8l MPI
Engine: one that goes "vroom vroom"
Transmission: one that shifts
woohoo! THanks man. I knwo the firing order of the plugs, and respectivley on the dist. cap. so re-installing isn't a big problem.

Now, i was reading the manual, and regarding the IAC, it says once it has been installed and used, you cannot/should not alter it. So....guess buying a new one would be the thing to do then? Or can you just re-use the old one if ya clean it up and stuff?

As for the TB....i know its quite sad, but i still just don't get what it looks like/where it is exactly. But hey, honestly, i'd rather look like an idiot here on the board than go to my car and REALLY damamge something :P
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Old Mar 18, 2004 | 06:01 PM
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From: Belchertown MA
Car: 1988 Pontiac Firebird
Engine: 2.8 Lt
Transmission: 5 Spd
Its ok. The IAC can be cleaned and reused yes. I however removed mine and it was pretty nasty and full of carboon so i put a new one in. If your not having problems then i wouldn't replac eit. My car was stubling when i decelerated so i changed it and it fixed the problem. Carb cleaner will clean it right up, DO NOT PUSH ON THE NEEDLE IN ANYWAY, CAN SCREW IT UP. Just spray and soak the tip of the needle in carb cleaner.

The TPS is where the TB is. Is that whole unit. Where your induction goes into is the TB. It directling infront of the engine. Where that arrow points to is it, that whole unit. Let me know if you understand, if not i can see if i can find a picture.
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Old Mar 18, 2004 | 08:17 PM
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From: AR
Car: 1991 Camaro RS Vert
Engine: 350 S-TPI
Transmission: T5
Axle/Gears: GU5/G80/J65
I have an old picture of the engine bay on my site their. I just recently took a new one the other day I think on my 35mm, but I can get one tommorow digi.

TB is top forward of the engine, you can see it in that pvc/sideshot picture. Its what your throttle linkage and translinkage hooks up to. Taking a pic of my IAC wont do you good as mine is different then yours (2.8-3.1 differences).
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Old Mar 18, 2004 | 09:57 PM
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From: Fremont, CA
Car: 1987 Camaro v6 2.8l MPI
Engine: one that goes "vroom vroom"
Transmission: one that shifts
Well, my car is having a VERY hard time idling. No tach, so can't give an RPM, but when i'm stopped at a stop sign/light for longer than 30 seconds, the car will stall out on me. So i basically want to just look at everything that can be causing it. I'll be changing the plugs/dist cap tomorrow, figured i'd also check out the IAC. Might need someone to help me test my vacuum system, as i don't know what to do....

PCV valve - Just pull it out of the cover, then from the rubber hose, replace, pop it back in.

IAC - A pic would really help, i know where to look, but not what to look for....lol if the location of the IAC is the same on your 3.1, if you could get a pic, i'd at least know where exactly to look, then i should find it from there.

Throttle Body...ok, seriously....what is that? I keep hearing ppl referring to it, and i'm kinda lost. I'm guessing by the name it helps control your throttle..... and in someone told me to take a look at it in regards to my stalling problem.... but i know not what to do with it.
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Old Mar 19, 2004 | 06:51 AM
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From: AR
Car: 1991 Camaro RS Vert
Engine: 350 S-TPI
Transmission: T5
Axle/Gears: GU5/G80/J65
sinful, I took a picture and modded it. On my site on link below.

Wheover else it was that wanted pictures, they are on link below also.

http://downndirty10.tripod.com/dalers/id9.html


BTW sinful, can you go up to "user cp", then "profile" and fill out the car info. Thatway we dont have to keep going to the top of the message to remember what year car you have
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Old Mar 19, 2004 | 11:34 AM
  #26  
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From: Fremont, CA
Car: 1987 Camaro v6 2.8l MPI
Engine: one that goes "vroom vroom"
Transmission: one that shifts
LoL Just for you i changed my profile :P I truely appreciate the help Dale.

I took some quick digi pics of what i had under my hood....i guess its about the same, only different...if that makes sense :P

If i'm right about mine, you were really right, totally different!

Also, would that be the TPS? regarding positioning, i would say that looks close to me.
Attached Thumbnails Diagrams/Pictures?-im000209.jpg  

Last edited by sinfulwish; Mar 19, 2004 at 11:38 AM.
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Old Mar 19, 2004 | 12:11 PM
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From: AR
Car: 1991 Camaro RS Vert
Engine: 350 S-TPI
Transmission: T5
Axle/Gears: GU5/G80/J65
You got TPS right

IAC is wrong, yours is the one pointing to the back with the wire connector. Belive it has 4 wires.
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Old Mar 19, 2004 | 01:45 PM
  #28  
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From: Fremont, CA
Car: 1987 Camaro v6 2.8l MPI
Engine: one that goes "vroom vroom"
Transmission: one that shifts
LoL Well, i was close on the IAC! Hehe. So yeah, today i'll be checking it out. Just got the pulley for the alt., replaced the serp. belt, got it started for a few minutes to clean out some old gas (been sitting for a week). In Park, it was running semi-fine, popped it in gear, and boom, 20-30 seconds of idling, engine was dead
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Old Mar 19, 2004 | 04:53 PM
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From: Belchertown MA
Car: 1988 Pontiac Firebird
Engine: 2.8 Lt
Transmission: 5 Spd
I would look into the IAC and also the MAF. That could be cuasing it. Good luck man How many miles on it?
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Old Mar 19, 2004 | 06:57 PM
  #30  
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From: Fremont, CA
Car: 1987 Camaro v6 2.8l MPI
Engine: one that goes "vroom vroom"
Transmission: one that shifts
its got about 150k miles on it :P The MAF has already been replaced btw.

I decided to take the car into a shop to get a pre smog inspection done....EGR valve itself is fine, but the controls are bad. Also said i had vacuum leak. Since it is there, i'm gonna have him check the IAC for me :P save me the hassle. Dunno if i'll be getting the EGR stuff done though, lack of fundage. So next paycheck or so, hopefully i can finish it up to get it smogged I'm just hoping to get the car in semi-fine running condition, minus the EGR.
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