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

Mods for a 2.8?

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Old Jan 18, 2004 | 09:17 PM
  #1  
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Car: 95 Trans Am
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Mods for a 2.8?

I'm thinking about getting an 86 5 speed Camaro (almost positive it's a 2.8 liter). I don't want to do an engine swap but what can i do to make this thing a beast?
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Old Jan 18, 2004 | 09:21 PM
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From: Gainesville, FL
Car: 1988 Chevy Camaro Hardtop
Engine: Turbocharged/Intercooled 3.1
Transmission: World Class T5 5 Speed
75 shot of nitrous... 7 psi of boost... um... that's it, for 'beast' mode.
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Old Jan 18, 2004 | 09:30 PM
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Car: 95 Trans Am
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I'll never use vitamin N (nitrous oxide) for the sheer fact that it does damage to your engine.............tubocharging it sounds delicious though How much would it cost to turbocharge that engine and how much for an intercooler for it? I'm kind of new to the automotive world so don't laugh at me for this- is it possible to make that twin turbo? What else can i do? I can't find headers or anything for a 2.8 and Ebay makes me want to choke things because it's impossible to find exactly what you want. I need some other stuff. I know that 5 speed 3rd generations are hard to come by though so i want this car over a bigger engine. I looked for a 5.0 but they're freakin rare or really expensive. $500 is amazing. How can you go wrong?
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Old Jan 18, 2004 | 09:36 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
FIrst thing is the TomP tune up & go from there.
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Old Jan 18, 2004 | 09:47 PM
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From: Houston
Car: 86 Berlinetta 84 MonteCL
Engine: 3.4 MPFI 3.8 229
Transmission: 700r4 T350
My .02

First off, the "vitamin N" (love the acronym!) will not damage your motor if used properly. There are no turbos readily available for the 3rd gen V6 (Yet.....), you would have to costom fab everything. There are headders available, read the PF&E post (although they are expensive ). Really, your only option for the amount of power you want is internal engine modification (higher compression, cam, forged rods, gapless rings, stuff like that). OR, you could buy a 500 dollar nitrous setup and do a full tune-up. Until Vortex/Doward ready their production model tubo kit, you gotta wait on them (But it's SOOO worth the wait ). Dump all of the extra weight and take the Honda route to power....
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Old Jan 18, 2004 | 09:48 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
TomP tune up

enjoy.
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Old Jan 18, 2004 | 09:51 PM
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From: Orlando, FL
Car: 1991 Pontiac Trans Am
Engine: 350 TPI
Transmission: Borg Warner T-5
if 5 speed is really impt. to you, it's really hard to find a V8 thirdgen 5-speed. But the V6s are easier to find, not that they are easy to find. If you do find a 5speed v8, i'd jump on it. If you want a 305 (5.0) and don't mind automatic, then they are a dime a dozen.

As far as mods for the v6, w/o turboing or supercharging it, you can put a comp or crane cam, pullies, ignition, rear end, springs, etc.
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Old Jan 18, 2004 | 10:12 PM
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Car: 95 Trans Am
Engine: LT1
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Thanks, you guys all kick ***. BTW, what's the honda route to power? All i ever see around me is a spoiler (or is it a park bench wrapped in aluminum foil?) and the almighty fart cannon. I don't think one of these kids ever actually attempts to modify their car.
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Old Jan 18, 2004 | 11:07 PM
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From: Philly
Car: 85 firebird
Engine: Pos 2.8 pulled and replaced with a 350 tpi motor converted to carb.
Transmission: 700r4, vette servo,shift kit, hayden 15"x8" trans cooler.
most(well around here anyway) honda kids just order the b what the hell ever it is number motor, from a company that imports them from japan, the motor is like 220 hp or some crap like that. Guy down the block has a crx si with that motor and nos. 11 second bright yellow flying shoe of a car. Plus their is like 905740975340957043750 sites for import speed parts, us 3rd gen v6ers are not so lucky
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Old Jan 18, 2004 | 11:19 PM
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Car: 95 Trans Am
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Originally posted by br()bert
most(well around here anyway) honda kids just order the b what the hell ever it is number motor, from a company that imports them from japan, the motor is like 220 hp or some crap like that. Guy down the block has a crx si with that motor and nos. 11 second bright yellow flying shoe of a car. Plus their is like 905740975340957043750 sites for import speed parts, us 3rd gen v6ers are not so lucky
honda....*shudder*
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Old Jan 19, 2004 | 12:31 AM
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Car: '99 Trans Am, '86 Camaro
Engine: LS1, Scrap
Transmission: T56, T5
Axle/Gears: 3.42 Stock ZT, 3.42 Open
Originally posted by Storms Of War
I'll never use vitamin N (nitrous oxide) for the sheer fact that it does damage to your engine
Only if you have no clue what you're doing.. and if you don't know what you're doing, boost is just as dangerous. My gripe with Nitrous is just the fact that you can run out of it. I never want to get revved and have to yell out my window "Man.. I would so KICK your butt in a race... .. if I hadn't run out of horsepower earlier tonight."
tubocharging it sounds delicious though How much would it cost to turbocharge that engine and how much for an intercooler for it? I'm kind of new to the automotive world so don't laugh at me for this- is it possible to make that twin turbo?
Depends how reliable a turbo setup you want... anywhere from $50-$2000. The current price tag on mine is about $100, 60 of which is in the starion intercooler.. and I could have lived without that and gotten a free GN or Probe intercooler, too. Twin turbo is doable also, but you might not want to get too ahead of yourself.
BTW, what's the honda route to power? All i ever see around me is a spoiler (or is it a park bench wrapped in aluminum foil?) and the almighty fart cannon. I don't think one of these kids ever actually attempts to modify their car.
The true honda route to power, besides the B16A,B18A, or D16ZC J-spec swap, is usually a happy little turbocharger sitting up front or a healthy dose of giggle juice.. or both. I wouldn't consider any other import modifications to be a "route to power".. more a route to noise pollution.. however the friend I traded my first turbo to that stuffed it in his civic.. whoa. Only honda I've been in that will plant you in your seat. That kind of gain is why I decided to do my setup.. and whoa.. it works
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Old Jan 19, 2004 | 08:42 AM
  #12  
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Car: 95 Trans Am
Engine: LT1
Transmission: T-56
Is it possible to do a ram air set up? I love the WS6 hoods and i hear ram air can add up to 20 horsepower. I'm sure it would be less for the v6 though. Still, anyone have anything to say on ram air?
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Old Jan 19, 2004 | 09:03 AM
  #13  
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Car: 1991 Camaro RS Vert
Engine: 350 S-TPI
Transmission: T5
Axle/Gears: GU5/G80/J65
yes, they have ram air for both bird and camaro, however it is very expensive, and a board member here did a test, and found it to be a myth. That small of an area can't scoop enough air to build pressure, or anything more then removing the air filter.


so far, OTC parts I have found for this engine..
cam
heads (or diy port/polish)
rockers
pistons
valve springs
stainless valves
3.4 block swap
62mm TB
under drive pullys
coil
Msd6a
wires
brass distrib
ecm chip (or a custom one)
intake pipe
muffler
headers

Stuff you would have to "rig" up
turbo
supercharger
vitiman "n" as you call it.
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Old Jan 19, 2004 | 09:49 AM
  #14  
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From: Central FL
Car: 91 Camaro
Engine: 3.1...not hardly stock
Transmission: 700r4....not stock either
Axle/Gears: 3.73
Originally posted by Dale
yes, they have ram air for both bird and camaro, however it is very expensive, and a board member here did a test, and found it to be a myth. That small of an area can't scoop enough air to build pressure, or anything more then removing the air filter.


so far, OTC parts I have found for this engine..
cam
heads (or diy port/polish)
rockers
pistons
valve springs
stainless valves
3.4 block swap
62mm TB
under drive pullys
coil
Msd6a
wires
brass distrib
ecm chip (or a custom one)
intake pipe
muffler
headers

Stuff you would have to "rig" up
turbo
supercharger
vitiman "n" as you call it.
62mm TB?? where? i want one.
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Old Jan 19, 2004 | 10:37 AM
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From: AR
Car: 1991 Camaro RS Vert
Engine: 350 S-TPI
Transmission: T5
Axle/Gears: GU5/G80/J65
heres link to it, but its not "hot" anymore.

http://www3.sympatico.ca/fjpeters/throttlebodies.htm

far as I know, agood is only one that has one.
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Old Jan 19, 2004 | 11:13 AM
  #16  
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From: Central FL
Car: 91 Camaro
Engine: 3.1...not hardly stock
Transmission: 700r4....not stock either
Axle/Gears: 3.73
do you know how much they were or if you can even get them anymore? that link didn't work.
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Old Jan 19, 2004 | 12:28 PM
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From: AR
Car: 1991 Camaro RS Vert
Engine: 350 S-TPI
Transmission: T5
Axle/Gears: GU5/G80/J65
i knew the link didnt work, I typed that. They were around 250 bux. Not sure if you can get them anymore or not.
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Old Jan 19, 2004 | 12:50 PM
  #18  
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Car: 95 Trans Am
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Where could a get a turbocharger for that car and where could i get an intercooler for it? What kind of horsepower/torque would they add? Also, what would i have to do to install it? One last thing, Ram Air really doesn't do anything!?!?!? Should i just go with cowl induction or something?
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Old Jan 19, 2004 | 02:32 PM
  #19  
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From: Central FL
Car: 91 Camaro
Engine: 3.1...not hardly stock
Transmission: 700r4....not stock either
Axle/Gears: 3.73
sorry dale, didn't know exactly what you meant by "hot" or not "hot". 250 is a little more than i'd like to spend anyways.
you cannot "get" a turbo or intercooler for the car. there are two people on this board, doward (w/vortex's help) and techsmurf, who have turbo-ed v6s. they custom built their own. i know doward and vortex are wanting to market their setup but that will take a little time. i'm kinda surprised ram air wouldn't do anything. cowl induction won't (normally) do anything for a fuel injected motor. it'll normally help a carbed motor though.
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Old Jan 19, 2004 | 03:25 PM
  #20  
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Car: 95 Trans Am
Engine: LT1
Transmission: T-56
So i basically shouldn't waste my time with a v 6 if i want speed? what would i have to do to put a 350 in this then? Would i be able to keep this transmission?
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Old Jan 19, 2004 | 03:50 PM
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Originally posted by Doward
75 shot of nitrous... 7 psi of boost... um... that's it, for 'beast' mode.
:hail: :hail: :hail:
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Old Jan 19, 2004 | 04:04 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
Originally posted by Storms Of War
So i basically shouldn't waste my time with a v 6 if i want speed? what would i have to do to put a 350 in this then? Would i be able to keep this transmission?
The same could be said if you got a 305 too. You'll get out of the engine what you put into it. There have been examples of the twin turbo 2.8 put in a Datsun for autocross, acouple of turbo projects here, & and for the 3.4 on another site running 13s. All depends on you.
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Old Jan 19, 2004 | 04:11 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
..

Last edited by Project: 85 2.8 bird; Jan 19, 2004 at 04:19 PM.
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Old Jan 19, 2004 | 04:17 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
....
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Old Jan 19, 2004 | 06:41 PM
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From: The Nest
Car: 1985 GMC Jimmy/1998 Chevy Malibu
Engine: 3.2L turbo Hybrid/bone stock 3100
Transmission: T-5 soon to be 700R4/4T40E
V6s can be made to make some decent power, and if you don't mind learning about them, they can go even farther.

I threw this together over a few months:


That's in my GMC Jimmy, but it started life as a 2.8L, now a 3.2L.
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Old Jan 19, 2004 | 07:45 PM
  #26  
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From: Houston
Car: 86 Berlinetta 84 MonteCL
Engine: 3.4 MPFI 3.8 229
Transmission: 700r4 T350
Turbo

A Jimmy that runs in the 13's......drool. There is a turbo kit available for the 3.4 if you wanna do the swap (don't see why it wouldn't work on the 2.8 though......? Must be a manifold issue. A good fat bottle of nitrous oxide is the best route to go money wise though..... A turbo would be awesome though, my advice, hit up a toyota graveyard and yank a turbo out of a 2jz turbo supra, get ahold of a welder and a spare set of 2.8 exhaust manifols-start plumbing....
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Old Jan 20, 2004 | 12:18 PM
  #27  
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Car: 95 Trans Am
Engine: LT1
Transmission: T-56
Nitrous oxide systems are around $600. They also from what i hear damage an engine over time. I don't want to waste that much on something that i'll have to constantly get re-filled. I also wouldn't be too fond on wasting it on some random guy at a light next to me. I don't plan on racing for money, just for fun. How do you actually use nitrous in a race? Don't you open the thing to let the N2O start flowing then you flip a switch or something? I would love to use it if i knew how and had the money though. Can anyone explain the difference between a "wet" shot and a "dry" shot?
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Old Jan 20, 2004 | 03:11 PM
  #28  
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From: Gainesville, FL
Car: 1988 Chevy Camaro Hardtop
Engine: Turbocharged/Intercooled 3.1
Transmission: World Class T5 5 Speed
Re: My .02

Originally posted by FbodTrek
Until Vortex/Doward ready their production model tubo kit, you gotta wait on them (But it's SOOO worth the wait ).
Appreciate the props! We're working on the production downpipe right now... should have pics in the coming weeks, of the downpipe at least, and *maybe* the FMIC. We're just kinda being hush-hush, as we work everything over with a FINE TOOTHED COMB, lol.

Kit's gotta be reliable, right?
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Old Jan 20, 2004 | 03:15 PM
  #29  
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From: NWOhioToledoArea
Car: 86-FireBird
Engine: -MPFI
Transmission: T5
Axle/Gears: 3:42
Re: Re: My .02

Originally posted by Doward
Appreciate the props! We're working on the production downpipe right now... should have pics in the coming weeks, of the downpipe at least, and *maybe* the FMIC. We're just kinda being hush-hush, as we work everything over with a FINE TOOTHED COMB, lol.

Kit's gotta be reliable, right?
reliable and flame proof, right?

[you know how people are around here.]
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Old Jan 20, 2004 | 03:55 PM
  #30  
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From: Ogden, UT
Car: 95 Z28
Engine: LT1
Transmission: Built 4L60E with 3000 Stall
Axle/Gears: 3.23? I'm not sure
Originally posted by Storms Of War
I know that 5 speed 3rd generations are hard to come by though so i want this car over a bigger engine.
My thoughts exactly... Mines got the T5, and 2.8... Eventually I will get a T56 LT1 swap, but screw havin an Auto V8
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Old Jan 20, 2004 | 06:50 PM
  #31  
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From: Gainesville, FL
Car: 1988 Chevy Camaro Hardtop
Engine: Turbocharged/Intercooled 3.1
Transmission: World Class T5 5 Speed
Re: Re: Re: My .02

Originally posted by Gumby
reliable and flame proof, right?

[you know how people are around here.]
Absolutely... man, V and I will be sunk if the turbo's all blow apart or something, lol...

As for the T56, after the turbo, Vortex Performance plans on bringing the first T56 equipped 60º to the table.
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Old Jan 20, 2004 | 07:24 PM
  #32  
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From: Shelby Twp., MI
Car: 84 Z28 / 91 Trans Am
Engine: LS1 / 5.0 TPI
Transmission: T56 / 700R4
Axle/Gears: 4.09 / 2.73
bringing the first t56 60 degree to the table. sorry it has already been done. you can buy the parts over the counter. tremec sells a t56 that bolts to a t5 bell and accepts the t5 clutch.
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Old Jan 20, 2004 | 07:25 PM
  #33  
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From: Gainesville, FL
Car: 1988 Chevy Camaro Hardtop
Engine: Turbocharged/Intercooled 3.1
Transmission: World Class T5 5 Speed
Originally posted by 6SPEED84Z28
bringing the first t56 60 degree to the table. sorry it has already been done. you can buy the parts over the counter. tremec sells a t56 that bolts to a t5 bell and accepts the t5 clutch.
Um yeah. Behind a V8.

Show me a 2.8 with a 6 speed.
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Old Jan 20, 2004 | 07:30 PM
  #34  
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From: Shelby Twp., MI
Car: 84 Z28 / 91 Trans Am
Engine: LS1 / 5.0 TPI
Transmission: T56 / 700R4
Axle/Gears: 4.09 / 2.73
i have not seen it personally. but when i talked about buying a t56 trans for my 60 with custom gear ratios from a shop here in michigan he told me someone had already bought one to bolt to a 60 degree about a month before.
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Old Jan 20, 2004 | 07:35 PM
  #35  
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Car: 1988 Chevy Camaro Hardtop
Engine: Turbocharged/Intercooled 3.1
Transmission: World Class T5 5 Speed
That's still just heresay... entirely possible. I've spent the last month going over various parts to come up with the correct combination of clutch/plate/bearings to bolt a retrofit T56 onto the 6 cylinder. I believe I've come up with the answer... just need to get my hands on a T56 to see if I"m correct.
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Old Jan 20, 2004 | 08:45 PM
  #36  
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Obviously you have to swap the input shaft on that t-56 to use the stock clutch. Anyways a freind and I ran the idea a year ago and had most of the swap figured out, but I have a real serious long term memory problem and I uh forget.......
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Old Jan 21, 2004 | 05:55 AM
  #37  
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From: Tucson, AZ, USA
Car: '99 Trans Am, '86 Camaro
Engine: LS1, Scrap
Transmission: T56, T5
Axle/Gears: 3.42 Stock ZT, 3.42 Open
uhm.. I think the V6 input shaft is a pretty driving reason to get rid of the V6 T5.. I'm really starting to worry about my T5 holding up as I go past 5psi.
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Old Jan 21, 2004 | 07:44 AM
  #38  
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From: Gainesville, FL
Car: 1988 Chevy Camaro Hardtop
Engine: Turbocharged/Intercooled 3.1
Transmission: World Class T5 5 Speed
Originally posted by 614Streets
Obviously you have to swap the input shaft on that t-56 to use the stock clutch. Anyways a freind and I ran the idea a year ago and had most of the swap figured out, but I have a real serious long term memory problem and I uh forget.......
Strange... i seem to recall the V6 and V8 input shafts being different diameters (aka, you can't swap them)
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Old Jan 21, 2004 | 02:53 PM
  #39  
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Car: 1986 Firebird
Engine: 2.8 V6
Transmission: 700R4
Originally posted by Dale
yes, they have ram air for both bird and camaro, however it is very expensive, and a board member here did a test, and found it to be a myth. That small of an area can't scoop enough air to build pressure, or anything more then removing the air filter.
Dale, who was that? What kind of test did they run? Was it the 4th-gen ram-air style hood with the special airbox?
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Old Jan 21, 2004 | 03:33 PM
  #40  
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Car: 1991 Camaro RS Vert
Engine: 350 S-TPI
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blue89rs

He did no on car testing. He works at a facilty where they have to design the large cases (room size) to keep the sides from colapsing in on the electronics.

He used the face size of the 2 holes in our front bumper (was going to make somthig like one of the companys above sells for like 2 bills). Figured up, the car would have to be traveling at almost triple digit speeds to get any benifit. We have no roads in the usa where we could benifit from that.

He could give you more specifics, I'll tell him to get on here.
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Old Jan 21, 2004 | 04:06 PM
  #41  
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From: Bellingham, WA
Car: 1989 RS
Engine: 3.1L + .060" overbore
Transmission: 700R4
Axle/Gears: 4.11, Auburn LSD
Hey Hey,

I actually did the math on that subject. I was going to turn the grill into a huge air sucking machine! The papers are at home, but it worked out like this.... Drive down the road at about 70mph with your hand out the window. Feels like alot huh? Not really. At 70 mph you can generate 0.07psi of pressure on a flat surface facing the wind. Given your hand is about 32sq inches...32x0.07=2.24 lbs of force on your hand.

don't get me wrong, it would help to do this ram air thing because it is enough of a pressure to compensate for intake restrictions. Just don't expect it to have supercharger effects. And the faster you go, the more pressure you can build. Maybe if you do 200 you can get 1psi If you want the equations I can get them for you.
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Old Jan 21, 2004 | 04:11 PM
  #42  
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From: Philly
Car: 85 firebird
Engine: Pos 2.8 pulled and replaced with a 350 tpi motor converted to carb.
Transmission: 700r4, vette servo,shift kit, hayden 15"x8" trans cooler.
you could always go to ebay and buy one of those electric superchargers. Some guy around the corner has one on his rs.He swares it added 50 hp.
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Old Jan 21, 2004 | 04:18 PM
  #43  
Blue1989RS's Avatar
Senior Member
 
Joined: Jul 2003
Posts: 692
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From: Bellingham, WA
Car: 1989 RS
Engine: 3.1L + .060" overbore
Transmission: 700R4
Axle/Gears: 4.11, Auburn LSD
I looked at those too. Would be a good idea if it worked. Its hard to come across an electric fan that can blow 500cfm at +3psi. And even though you can find one to do it....its 3 feet across and uses 300 amps to do it.
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Old Jan 21, 2004 | 10:00 PM
  #44  
Storms Of War's Avatar
Thread Starter
Member
 
Joined: Jan 2004
Posts: 131
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Car: 95 Trans Am
Engine: LT1
Transmission: T-56
You have to admit, even if it doesn't add that much horsepower (i'm sure there's a way of increasing the area for more air to get in) the WS6 style hood just looks totally badass. It looks sort of intimidationg. One more thing. Would the ram air hood actuallydo more harm than good by creating wind drag or does the design allow air to pass through freely?
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Old Jan 21, 2004 | 10:50 PM
  #45  
AM91Camaro_RS's Avatar
Supreme Member
20 Year Member
 
Joined: Dec 2002
Posts: 2,564
Likes: 1
From: Central FL
Car: 91 Camaro
Engine: 3.1...not hardly stock
Transmission: 700r4....not stock either
Axle/Gears: 3.73
i understand saying ram air won't do much....but..... it will push some air into the motor, if nothing else, to help compensate for our bad intake manifolds. i know i'm working on a set of ram air boxes for my car now.
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Old Jan 22, 2004 | 12:10 PM
  #46  
Blue1989RS's Avatar
Senior Member
 
Joined: Jul 2003
Posts: 692
Likes: 0
From: Bellingham, WA
Car: 1989 RS
Engine: 3.1L + .060" overbore
Transmission: 700R4
Axle/Gears: 4.11, Auburn LSD
Certaintly doesn't hurt anything! I still think that it would look cool to have the grill as a HUGE scoop. But I've always been about one egg short of a basket.
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