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

Lovin my v6

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Old Dec 10, 2013 | 01:38 PM
  #51  
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Car: 1989 Camaro RS
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Re: Lovin my v6

Originally Posted by JohnJacobs
Yeah they are quite expensive u know anywhere u could get good used ones?
Sometimes they are on eBay, sometimes here. They don't pop up often because nobody buys them.
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Old Dec 10, 2013 | 01:53 PM
  #52  
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Re: Lovin my v6

as far as your cold air intake goes I would go with the stock one...... I put one on my 3.1 and I love it and I also use spectre air filters
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Old Dec 10, 2013 | 02:50 PM
  #53  
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Re: Lovin my v6

3.1 cars don't come with CAI, and what you have isn't CAI. It takes in air from behind the radiator. 2.8 Camaros and TPI 89 and older TPI Camaros have a CAI.
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Old Dec 10, 2013 | 07:21 PM
  #54  
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From: FL
Car: 1985 2.8 v6 Firebird
Engine: 2.8
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Originally Posted by RubberDucky
3.1 cars don't come with CAI, and what you have isn't CAI. It takes in air from behind the radiator. 2.8 Camaros and TPI 89 and older TPI Camaros have a CAI.
Its aftermarket tho not stock
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Old Dec 10, 2013 | 07:28 PM
  #55  
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From: Mattoon Il.
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Engine: 305 (LO3) _350 (L98)
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Axle/Gears: 2.73 L.S. - ???
Re: Lovin my v6

Originally Posted by JohnJacobs
Better pics of the spoiler
looks to me like someone had something heavy sitting on the center of the wing
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Old Dec 10, 2013 | 07:34 PM
  #56  
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Car: 1989 Camaro RS
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Axle/Gears: 3.42 Auburn Posi
Re: Lovin my v6

Originally Posted by JohnJacobs
Its aftermarket tho not stock
Still warm air. Its taking in air from behind the radiator.
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Old Dec 10, 2013 | 07:35 PM
  #57  
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Car: 1985 2.8 v6 Firebird
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Originally Posted by RubberDucky
Still warm air. Its taking in air from behind the radiator.
So ur saying that i cannot get cai for my bird? Or i just dont have it
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Old Dec 10, 2013 | 07:49 PM
  #58  
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Car: 1985 2.8 v6 Firebird
Engine: 2.8
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Originally Posted by BiggTipp7
man if you like the scoops and wing I would leave it..... I personally don't think they look bad I would just make them functional
Yea im probably gonna leave the scoops but i should at least get the correct spoiler on her
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Old Dec 10, 2013 | 08:04 PM
  #59  
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Re: Lovin my v6

Bit of misinformation here:

1. Firebirds do NOT and CANNOT have a CAI unless it's homebuilt due to the hood design. Camaros with the 2.8 CAN possibly have a CAI if equipped with the dual snorkel intake commonly found on TPI cars, but there wasn't one on 3.1 cars. Anyways, any aftermarket intake you see for a Bird is a WAI, a WARM air intake, because it still takes in underhood air which is heated. Again, this is due to the hood design being much closer to the upper radiator support than the Camaro hood.
2. 3.1 and 3.4 engines DO NOT use the same fuel injectors. 2.8 and 3.1 engines DO use the same fuel injectors (actually, the injectors found in a lot of 3.1s are actually SLIGHTLY smaller than most 2.8 injectors). Again, as I've posted before, the 2.8 and 3.1 use either 15.4 or 14.7# fuel injectors and the 3.4 uses the 3100 fuel injectors which are 18.4#.
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Old Dec 10, 2013 | 09:38 PM
  #60  
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Re: Lovin my v6

Originally Posted by Maverick H1L
Bit of misinformation here:

1. Firebirds do NOT and CANNOT have a CAI unless it's homebuilt due to the hood design. Camaros with the 2.8 CAN possibly have a CAI if equipped with the dual snorkel intake commonly found on TPI cars, but there wasn't one on 3.1 cars. Anyways, any aftermarket intake you see for a Bird is a WAI, a WARM air intake, because it still takes in underhood air which is heated. Again, this is due to the hood design being much closer to the upper radiator support than the Camaro hood.
2. 3.1 and 3.4 engines DO NOT use the same fuel injectors. 2.8 and 3.1 engines DO use the same fuel injectors (actually, the injectors found in a lot of 3.1s are actually SLIGHTLY smaller than most 2.8 injectors). Again, as I've posted before, the 2.8 and 3.1 use either 15.4 or 14.7# fuel injectors and the 3.4 uses the 3100 fuel injectors which are 18.4#.
I've got 3.1 injectors in my car now and I run rich.
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Old Dec 11, 2013 | 06:19 AM
  #61  
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Re: Lovin my v6

You will run rich with a 3.4 swap using the 3.4 injectors, but its not horrendous. I ran a 3.4 in mine for 8 yrs and still got 24-25 mpg running rich on a stock 2.8 ECM.
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Old Dec 11, 2013 | 09:38 AM
  #62  
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From: Worth, IL
Car: 1991 Camaro RS
Engine: 3.1 V6 Auto
Transmission: 700r4
Axle/Gears: 3.27?
Re: Lovin my v6

my bad i for some reason was thinking he had a camaro
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Old Dec 11, 2013 | 12:12 PM
  #63  
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Car: 1985 2.8 v6 Firebird
Engine: 2.8
Transmission: 700r4
Originally Posted by drdave88
You will run rich with a 3.4 swap using the 3.4 injectors, but its not horrendous. I ran a 3.4 in mine for 8 yrs and still got 24-25 mpg running rich on a stock 2.8 ECM.
Is that city driving?
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Old Dec 11, 2013 | 10:58 PM
  #64  
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Car: 1989 Camaro RS
Engine: LH6
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Axle/Gears: 3.42 Auburn Posi
Re: Lovin my v6

Originally Posted by drdave88
You will run rich with a 3.4 swap using the 3.4 injectors, but its not horrendous. I ran a 3.4 in mine for 8 yrs and still got 24-25 mpg running rich on a stock 2.8 ECM.
City or highway? Personally, I don't believe you if you mean city. I haven't broken 20.
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Old Dec 12, 2013 | 01:52 AM
  #65  
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Car: 86-FireBird
Engine: -MPFI
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Axle/Gears: 3:42
Re: Lovin my v6

23-25MPG 50/50 city highway
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Old Dec 12, 2013 | 02:14 PM
  #66  
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Re: Lovin my v6

Originally Posted by Gumby
23-25MPG 50/50 city highway
I got 23 on the interstate as well. But city driving is what kills MPG for me.
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Old Dec 12, 2013 | 03:54 PM
  #67  
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Re: Lovin my v6

my opinon from personal experience with the 660* (60 degree gm v6 engine)

go with the pacesetters you found, flowmasters tend to sound raspy on the 660, everyone likes different sound so DO NOT base your choice on what we like do some research listen to sound clios (in person is MUCH better then a sound clip for trying to find the sound you want)

i wouldnt go any bigger then 2 1/4"piping, as far as a muffler id go with something like a thrush welded, they sound pretty good on the 660 and 4 cylinders, not to loud but do have a grumble when you step on it, okay at idle subtle but not as quiet as stock and pretty much no raspy they dont make it sound to high pitched as for example a flowmaster 80 series did on mine, but thats just my opinion, very clean bird

and yea i vote for the 3.4 swap to iv always wanted to do it! but i cant at the current time lol finishuing the swap into my iroc z28
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Old Dec 12, 2013 | 03:55 PM
  #68  
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Re: Lovin my v6

and for the record, iv never been able to get good fuel milage from a 660 third gen, just to under powered for the weight of the car, hell my tpi 305 with some mild work got much better fuel milage then my 3.1 did, and they are both automatics!
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Old Dec 12, 2013 | 03:57 PM
  #69  
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Re: Lovin my v6

plus "city" is different for everyone, city for me is still 40-50 MPH, not like a major city with bumper to bumper traffic.
limit is 40 through town but everyone does 45-50, highway is 65, evereyone does 70-75
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Old Dec 12, 2013 | 04:08 PM
  #70  
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Car: 2003 Hyundai Tiburon GT
Engine: 2.7L V6
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Axle/Gears: 4.41
Re: Lovin my v6

Originally Posted by Blue1990camaro
my opinon from personal experience with the 660* (60 degree gm v6 engine)

go with the pacesetters you found, flowmasters tend to sound raspy on the 660, everyone likes different sound so DO NOT base your choice on what we like do some research listen to sound clios (in person is MUCH better then a sound clip for trying to find the sound you want)

i wouldnt go any bigger then 2 1/4"piping, as far as a muffler id go with something like a thrush welded, they sound pretty good on the 660 and 4 cylinders, not to loud but do have a grumble when you step on it, okay at idle subtle but not as quiet as stock and pretty much no raspy they dont make it sound to high pitched as for example a flowmaster 80 series did on mine, but thats just my opinion, very clean bird

and yea i vote for the 3.4 swap to iv always wanted to do it! but i cant at the current time lol finishuing the swap into my iroc z28
Your opinion...

Yes, the Flowmaster is absolutely horrible for any of the 2.8/3.1/3.4s due to the design of the exhaust and the low flow. Plus they are more of a hinderance than not.

2.5" exhaust is OPTIMAL for the V6 up to about 3.6L...

Originally Posted by Blue1990camaro
and for the record, iv never been able to get good fuel milage from a 660 third gen, just to under powered for the weight of the car, hell my tpi 305 with some mild work got much better fuel milage then my 3.1 did, and they are both automatics!
Then there was something wrong with your engine or a bad sensor or something... My 3.1 gave me 30+ MPG (400 miles on 12 gallons of gas) highway with the ECM spitting out a code 45 (rich). And has NEVER given me less than 20 even when running like absolute garbage due to bad injectors. :edit: And seeing as you have an automatic with an overdrive ratio of .70 (mine is .76) and a rear axle of about 3.23 (3.42 here) ratio, you should have gotten better mileage...

Last edited by Maverick H1L; Dec 12, 2013 at 04:12 PM.
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Old Dec 12, 2013 | 04:24 PM
  #71  
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Car: 1991 Camaro RS
Engine: Lq4 6.0 SBE s485 turbo E85
Transmission: Fsi th400 stage 4. TSI 5500 st
Axle/Gears: Strange S60 4:10s
Re: Lovin my v6

I agree I remember getting 400 miles on a tank when my car was my DD. Granted that was mainly highway only use but it averaged 25mpgs or so for 50/50 city/hyw driving for the most part.

My car still gets good mpgs when i just cruise it and that is with the turbo build. Its not the best but still is in the 20's on average when not WOT all the time....
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Old Dec 14, 2013 | 07:33 AM
  #72  
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Car: 85 2M6, 87 'Bird 88 'burb
Engine: LX9, LG4, L05
Transmission: F23, 700r4, 700R4
Axle/Gears: 3.63, 2.73, 4.10
Re: Lovin my v6

Originally Posted by Jeffs82TA
looks like a fiero spoiler
not a fiero spoiler, not even close.
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Old Dec 14, 2013 | 06:09 PM
  #73  
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Originally Posted by ericjon262
not a fiero spoiler, not even close.
Looks like one to me too... We're talking about the black one right?
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Old Dec 14, 2013 | 06:18 PM
  #74  
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Transmission: F23, 700r4, 700R4
Axle/Gears: 3.63, 2.73, 4.10
Re: Lovin my v6

Originally Posted by caffeine
Looks like one to me too... We're talking about the black one right?
I was talking about the one on the red firebird being discussed. if it's a fiero spoiler, it's severely bent.
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Old Dec 14, 2013 | 07:54 PM
  #75  
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Car: 1985 2.8 v6 Firebird
Engine: 2.8
Transmission: 700r4
This guy on classified is selling a red hood and spoiler i contacted him about it since he never posted it was sold so hopefully he'll get back to me
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Old Dec 16, 2013 | 10:26 PM
  #76  
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From: FL
Car: 1985 2.8 v6 Firebird
Engine: 2.8
Transmission: 700r4
Okay guys so i went to put in the new speedo gear and the housing is broken...so now im trying to find new housing and i realized there are alot of different size tooth for the 700r4 as i thought that a 700r4 speedo gear would work with any 700r4 and i got a 45 tooth one...is that the correct size for my car?
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Old Dec 16, 2013 | 10:38 PM
  #77  
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From: FL
Car: 1985 2.8 v6 Firebird
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Transmission: 700r4
Ahhh it appears i have to take some measurements...
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Old Dec 16, 2013 | 10:41 PM
  #78  
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Car: 1985 2.8 v6 Firebird
Engine: 2.8
Transmission: 700r4
U guys know the stock speedo gear ratio/tooth number for the 2.8?
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Old Dec 17, 2013 | 03:41 PM
  #79  
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Transmission: Fsi th400 stage 4. TSI 5500 st
Axle/Gears: Strange S60 4:10s
Re: Lovin my v6

Im not sure but depending on the tire size and the rear end ratio you can find it on this link if you wana sift though it.

http://www.transmissioncenter.org/GM...eter_Gears.htm
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Old Dec 17, 2013 | 11:19 PM
  #80  
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From: FL
Car: 1985 2.8 v6 Firebird
Engine: 2.8
Transmission: 700r4
So Norris transmissions(local auto shop) gave me the housing for free(: and i put the 45 tooth speedo gear on and hoped it was the right one and using the speedometer app on my phone it seems that its 5 mph slow meaning that the speedo would read say 45 while the app would read 50 now the app could be the one off so im going to test it out over the phone side by side with someone and see what they are reading but hey at worst 5 mph isnt bad at least i have a general idea now of how fast im going because its kinda scary driving next to a cop and having no idea how fast ur going lol
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Old Dec 18, 2013 | 04:54 AM
  #81  
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Car: 1991 Camaro RS
Engine: Lq4 6.0 SBE s485 turbo E85
Transmission: Fsi th400 stage 4. TSI 5500 st
Axle/Gears: Strange S60 4:10s
Re: Lovin my v6

Yea i know the feeling. I have 3.73s in my car and the the speedo is off alot exspecially when im on the interstate. I just go by rpms...lol Im pretty close. Thankfully its not a DD
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