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thor455400
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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptyWed Jun 05, 2013 8:18 pm

I'm quickly finding that out. Guess it's off to the bone yard to see what I can find.
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llamalor2112
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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptyThu Jun 06, 2013 1:56 am

I just say it makes us 95ers the Real Riv enthusiasts wink
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charlieRobinson
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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptyThu Jun 06, 2013 8:35 am

Nah, you 95ers just wish you had a 98+... let's be real here.
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69GSColorado
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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptyThu Jun 06, 2013 9:46 am

Lol hey now. There's nothing wrong with a 96!
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Karma
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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptyThu Jun 06, 2013 9:54 am

thor455400 wrote:
Not sure if this is the right section, due to being a newb on this board, so if needed please move to appropriate spot.

My question is who , if anyone makes a cold air intake for the '95 rivi's, if anyone, or are you guys fabbin them up yourselves?

No one technically makes an intake for any year of Riv. You can make on up yourself or use a kit designed for the 3800. They go on the 95 just as easy as a 98. Personally I'm running the Intense CAI, though in hindsight I'd save money by buying the ductwork from them(they sell by the foot) and filter seperately to save money. Got to find your own couplers on your own if you go that route though.

_________________
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thor455400
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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptyThu Jun 06, 2013 12:12 pm

Karma wrote:
thor455400 wrote:
Not sure if this is the right section, due to being a newb on this board, so if needed please move to appropriate spot.

My question is who , if anyone makes a cold air intake for the '95 rivi's, if anyone, or are you guys fabbin them up yourselves?

No one technically makes an intake for any year of Riv. You can make on up yourself or use a kit designed for the 3800. They go on the 95 just as easy as a 98. Personally I'm running the Intense CAI, though in hindsight I'd save money by buying the ductwork from them(they sell by the foot) and filter seperately to save money. Got to find your own couplers on your own if you go that route though.



That's kinda what I'm leaning toward. We will see. Thanks for the info guys. This board is great for replies!!
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turtleman
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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptyFri Jun 07, 2013 1:08 am

Spectre Performance has been a godsend for me with my custom intake ventures. The stuff does cost some money but it's worth it when you're done. The pvc stuff works alright too but it needs more room to have a large internal diameter - 3" pvc takes up almost as much outside space as 4" aluminum tubing
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llamalor2112
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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptyFri Jun 07, 2013 4:37 am

+1 to the spectre stuff. For what you're getting in terms of quality and customizability of design, they're really pretty well priced. My top pick.

And glad I could incite some year pride there guys wink
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DaveE_95Riv
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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptySun Jul 28, 2013 7:55 am

Hi RidzRiv, I was looking at a similar set-up but with aluminum tubing, untill adding up the total for all the needed parts. Now I like the cost of your 4" Spectre flex tubing much better!
Without extra engine mods, It seems like the '95 stock air box/intake tub with all the silencers really flow enough CFM air anyway. Seems like only around 400 CFM is moving through through the Throttle Body. Adding a K&N, or even a new paper filter, along with your 4" Specture would be more than enough. I feel the idea of using the cooler air, from the stock fender well set-up well is the way to go. At idle air would heat up inside your Specture, but in motion the cooler air flowing through your 4" tube is the ticket. Like our exhaust, the stock set-up really does the job, unless overkill is wanted, or big engine mods are made. The ribs do create some turbulent flow, but you are also opening things up to 4".
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RidzRiv
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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptySun Jul 28, 2013 11:24 am

Hey DaveE. The picture posted is what I originally made before I figured out how to make a good fender well intake. I actually purchased a spectre air filter and put that in the fender well and fed the tubing through the hole where the stock box was. I thought I was going to have to cut the body, so that is why I went with my original intake design, but I was able to kind of screw the ridges of the tubing into the existing hole in the body. It really sounds great, but there really wasn't anything wrong with my original setup either.
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al_roethlisberger
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al_roethlisberger

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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptySun Sep 22, 2013 11:26 pm

Have read several treatises on relative high pressure areas in the wheel well, especially at the top and top/rear of the tire.

With all the projects trying to get cooler air from the fender well, but still dealing with hot air intruding into the fender from the engine compartment, I wonder if anyone has considered pulling air from the wheel well directly via piercing the fender liner? This should be cooler air than the inner fender, and the relatively higher pressure air could help with induction.

One would probably want to create some louvers and a baffle to eliminate any water induction, but I think it could be very do-able, even via a ducted extension from the stock airbox possibly.

Al
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AA
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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptyMon Sep 23, 2013 12:53 pm

Seems like an easy enough experiment. Mount the intake filter close to the fender, cut the vents in the fender, but block off for the first test run, measure IAT. Then open the vents and retest IAT.

I have a concern about this mod: I don't believe the pressure under the front fenders is greater than the pressure under the hood. The reasoning is that the pressure under the hood comes from air being fed through the front intake, through the radiator, etc. That air gets trapped and really has nowhere to escape, even with the cowl seal removed. It may go out the bottom of the car near the rear of the engine bay, not sure.

The wheel wells don't get quite as much air, imo. They get more than enough to supply the intake, but not enough to displace the engine bay pressure. This is speculative, but here's an instance of RX-7 owners trying our experiment is reverse: cutting vents in their fender linings to let engine bay air escape into the wheel wells. One guy even claimed reduced acceleration times due to less drag!

http://www.rx7club.com/3rd-generation-specific-1993-2002-16/how-mesh-fender-liner-inserts-engine-bay-889283/

"Way back in 1995 when I did a lot of testing on my first FD, I had found that cutting both of those wheel well areas out and replacing the plastic with an open wire screen, actually reduced my 60 - 160 MPH acceleration times a full 1.5 seconds. That is a HUGE gain in anyone's book. It was tested 4 times and results were consistent.

Thus, my conclusion is that removing those liners drop pressure build up inside of your engine compartment which, also should allows for a much better exchange of air as it is allowed to flow through instead of being trapped underhood."


Understandably, there could be differences between an RX-7 and Riviera. Who knows, maybe you're onto something?

_________________
'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
Because free
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matt270avian
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matt270avian

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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptyMon Sep 23, 2013 1:56 pm

That's actually really interesting. I can't wait to see where this goes.
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AA
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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptyMon Sep 23, 2013 3:34 pm

I'd consider doing it at some point - not to feed the intake, but to relieve high pressure from under the hood; also to assist with brake cooling.

http://www.thirdgen.org/techboard/brakes/689320-brake-cooling-through-rad.html

_________________
'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
Because free
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http://www.cardomain.com/ride/657082/4
charlieRobinson
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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptyMon Sep 23, 2013 6:31 pm

isn't the ultimate solution simply relocating the turn signals and use the space made as air ducts?
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AA
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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptyMon Sep 23, 2013 6:35 pm

Yes, but if you do it 'simply', it's going to look ugly, imo. To do it right, it would involve a new design, bumper work, and re-fabricated signal lens (lots of work).

If you think about how the factory would do it, they probably wouldn't change the signal locations, because there's only a need for intake on one side of the car. For example MB modified the fender of the 250D Turbo by adding these vents. It makes sense: nice and high to avoid water intake, and it pulled air from the side rather than the front. They understood how the cold air intake principle works - pulling from the side means less water and debris ingested, and there's really no such thing as "ram air". An FI engine's intake is going to suck in more air than any frontal intake duct will cram into it.

Intake ideas - Page 3 CC-201-017-900

_________________
'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
Because free


Last edited by AA on Mon Sep 23, 2013 7:21 pm; edited 2 times in total
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charlieRobinson
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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptyMon Sep 23, 2013 7:04 pm

nah, just put mesh in place of the turn signals, a thin porous sponge to catch/break up moisture behind that, find/make a NACA duct to route the cool air, then mod the side lamps into turn signals and you're all set.



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AA
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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptyMon Sep 23, 2013 7:24 pm

Added to my previous post. ^^^

Yeah, I guess you could change the corners into signals. Nice idea if you won't miss the side illumination feature. I say do it, charlieRobinson!

_________________
'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
Because free


Last edited by AA on Mon Sep 23, 2013 11:48 pm; edited 1 time in total
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charlieRobinson
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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptyMon Sep 23, 2013 7:37 pm

I think on 2 or 3 occasions, I have appreciated my side lamps.

It's taking me forever to do anything with this car. slow but sure process, tho.
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chitown_riv98
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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptyThu Sep 26, 2013 2:57 am

Hey Greg What size tubing did you use to be able to use the original opening? Im thinking about going FWI finally. I've got the gutted Stock with K&N currently
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RidzRiv
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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptyThu Sep 26, 2013 11:58 pm

Hey Ruben. I used the parts I had to eventually make a fwi. I bought this ducting that is 4inches in diameter. http://www.spectreperformance.com/index.php/catalog/air-intake-components/air-ducting-components/4-duct-components/air-duct-hose-4-o-d-black.html

It comes with 2 threaded couplers. You will want to attach one to the side that you want to attach to the throttle body. the other side of the ducting you sort of screw into the hole in where the airbox used to be. The tricky part to explain is how you get the 4 inch ducting with the coupler on to fit on the 3.5in throttle body. When you buy a spectre cone filter you you get a coupler that goes inside the filter to fit it to a 3.5 in ducting. You take out that coupler and put that in the coupler that goes over the throttle body. Then you place the 4 in filter over the ducting that is in your fender well.
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charlieRobinson
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charlieRobinson

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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptyFri Sep 27, 2013 12:01 am

That spectre ducting you have is ~3.5" ID. The OD is 4".

Part # : 9751
Application:
Air Duct Hose - Black - 4" O.D.

yall should know what youre getting unlike me who wasnt paying attention.
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matt270avian
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PostSubject: Re: Intake ideas   Intake ideas - Page 3 EmptyFri Sep 27, 2013 12:11 am

chitown_riv98 wrote:
Hey Greg What size tubing did you use to be able to use the original opening? Im thinking about going FWI finally. I've got the gutted Stock with K&N currently
You can just go to Lowes/Home Depot and pick up some drain tubing (make sure to get the NON-perforated). It's ~$10 for 10ft and works just as well. You can also just get some PVC piping and make your own. It's smoother, so it should allow slightly better flow but the drain tubing looks better and is easier to work with.
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