Air Intake Questions

[DLTARNU]

What air intake mods should I make on a 1999 RT/10 for max HP gains, and where can I buy all the stuff I need?

I want mods that actually makes a difference, not Vipair-style dubiousness.

Smooth tubes, K&N filters I know, but who makes the best smooth tubes? Is there a difference? Should I change the factory airbox?

Please help the clueless newbie

Thanks!

 

[95Viper]

Smooth tubes, a lot of people make them but you can drive yourself nuts trying to save $30 so go to Roe Racing or Mopar factory. The difference is the factory have a slight bend that make installation easy but not necessary.

 

[STUGOTS]

I noticed a nice diffrence from 70mm TB's to spite what alot of guys say it has none.

 

[Matt M PA]

I made my own smooth tubes from instructions on this site.

I got the tubing from my local auto parts shop..I think it was for fuel filler. I may have spent $20 on the tubing.

I also bought my K&Ns locally.

 

[CROM]

Correct me if I am wrong, but aren't the Mopar tubes four times the price of a Parts Rack or Roe equivalent?

You can usually pick up a set from someone on this board used for 50-60 bucks or hit up ebay. As for filters, everyone says S&B (Even the Wizard), and they are cheaper than K&N's to boot.

 

[ViperJoe]

Hey someone buy that new Vararan thing and see if it works. The guy guarantees a performance gain in his Vette model Vararam(which I had on the Z-06m but returned it because it was still a p-type model).

 

[DLTARNU]

Just ordered tubes and filters from Parts Rack. Was going to get the S&B's from Roe but he was out of stock and I'm in a bit of a rush. Leaving the country in a few weeks so I want to squeeze as much enjoyment out of the car as I can while I'm here.

 

[joe117]

"I want mods that actually makes a difference"

The tubes and filters are not going to give you much of anything.
Do it anyway, the tubes look cool.

Get a small nitrous kit. It is by far the cheapest way to get power you can feel. It will not hurt your engine.

 

[DLTARNU]

"The tubes and filters are not going to give you much of anything."

That's not what the salesman said!

Anyway, it's just a prelude to headers. There was exhaust work done to the car, but Doug hasn't had a chance to determine how extensive or what type it is. From a cursory peek, he said it looks/sounds like Borla. But again, don't know what type of setup, yet.

You could hit me in the face with aftermarket headers and I wouldn't know the difference from stock. I get the feeling it still has stock headers, but I'm not going to buy until I know for sure.

 

[Russ M]

"The tubes and filters are not going to give you much of anything."

That's not what the salesman said!

Anyway, it's just a prelude to headers. There was exhaust work done to the car, but Doug hasn't had a chance to determine how extensive or what type it is. From a cursory peek, he said it looks/sounds like Borla. But again, don't know what type of setup, yet.

You could hit me in the face with aftermarket headers and I wouldn't know the difference from stock. I get the feeling it still has stock headers, but I'm not going to buy until I know for sure.

Unfortunatly although smooth/tubes and filters make the car sound good, the hp gain is just not measurable. The reason Dodge was able to get away with the 10hp and 10lb's torque gain on the ACR is because all vipers come severly under rated from the factory.

 

[rcdice]

I installed Roe smooth tubes, S&B filters, RT 3" cats and B&B 3" catback (from PartsRack) on an otherwise stock car. Car was dynoed prior to any mods. I'm having the car dynoed again tomorrow and will post the results under the thread "Working with the Viper Computer".

The other test I'm interested in is that the battery was not disconnected during installation. There is some debate as to whether the computer will recognize the increased air flow and respond or wether it need to be re-set by a disconnect. I'll post results tomorrow night.

 

[Ron]

Smooth tubes and K&N's are a documentable 11 horsepower. K&N's without smooth tubes are virtually nothing.

The better question is "can you feel 2.4% HP variance on a 450 HP car"?

 

[joe117]

Yeah, you will find lots of guys who think that a dyno can repeat within a few horsepower.

And you will find guys who swear that they can tell if there is an extra ten horsepower.

We have been through this over and over again. The point to remember is this,

If you did get ten extra horsepower, it would make you about a tenth of a second faster in a quarter mile.

I'm not saying that this isn't worth doing for a tenth of a second.

I am saying that 1/10 second in a run of, say 12.5 seconds is not something you will feel. PERIOD.....

I said, do the smooth tubes and filters because they look cool and they are cheap and they might give you a tenth.

Just don't expect to feel it.

And isn't that what you said you wanted? Something that you could feel.

Now all you morons line up and tell me again that you can feel 10hp out of 450.

 

[KenH]

[quote
Now all you morons line up and tell me again that you can feel 10hp out of 450.

[/QUOTE]

Sounds like age leathering of the ass or the extra cushioning of the Depends has uncalibrated someones butt dyno.

 

[FE 065]

Re: Air Intake Questions

You must be registered for see images

..Checking his original and subsequent posts in this thread, UNRATLD never said he wanted 'something he could feel'...So why pursue the feel point that was never emphasized in the first place?


He did say he wanted something that 'makes a difference'.


A documentable 11hp falls neatly into that category.


Thank you for your support

 

[DLTARNU]

Re: Air Intake Questions

"UNRATLD never said he wanted 'something he could feel' He did say he wanted something that 'makes a difference'."

This is correct. If I have to get to a 50HP gain (which should be noticeable, even by the SOTP dyno) 10HP at a time, that's OK with me.

But I still like Joe's posts

 

[Qualitywires.com]

Re: Air Intake Questions

I have a moddified airbox with smooth tubes and K&N filters for sale...

 

[joe117]

Re: Air Intake Questions

Getting bang for your buck with little mods is not hard.
Like I said, do the tubes and filters.

Problem is, you are not going to find enough, cheap little mods, to get you the 50 hp you seek.

 

[rcdice]

Re: Air Intake Questions

A lot of guys say a 3.55 gear "feels" like 50 hp. Could probably get one installed for about a grand. No first hand experience (yet) but that's what I'm told by Roe, John B., etc.

YES, I know they are in the business to sell them.

 

[YELL03]

Re: Air Intake Questions

1/10th better at the track would have made me VERY happy last night (7/29/04).

Even if I couldn't feel it the clock doesn't lie.

Time to look for some warranty friendly mods.

Howard

 

[DLTARNU]

Re: Air Intake Questions

"Problem is, you are not going to find enough, cheap little mods, to get you the 50 hp you seek."

Belanger headers + hi-flow/no cats + catback/muffler delete + K&N filters & smooth tubes should get me about 50HP, no?

I said the filters and tubes were a prelude to headers and exhaust work, which if I understand correctly, don't work as well without smooth tubes and filters.

Anyway, 10HP for about $150 is a good deal.

Eventually I'll supercharge the car, but I'm still getting used to the tq/hp it has now. Once that wears off, I'll have it blown.

 

[Ulysses]

Re: Air Intake Questions

Belanger headers + hi-flow/no cats + catback/muffler delete + K&N filters & smooth tubes should get me about 50HP, no?

no. You won't regret doing those mods, though.

 

[DLTARNU]

Re: Air Intake Questions

BTR seems to think otherwise:

"We are so confident in the performance of this product that we offer the following guarantee that no-one else will match!! Install the complete system on your stock Gen II viper (excluding Cats) and pick up 50 horsepower or your money back!"

Here is the web page for it.

Not trying to give you crap, I just want a straight answer, like everyone else.

Maybe I'll change my username to Diogenes

 

[Ulysses]

Re: Air Intake Questions

Well, all I can say is do it and see what you get. You're going to need the stuff anyway for a supercharger set up. So do some before and after dyno pulls.

 

[FE 065]

Re: Air Intake Questions

I think the BTR 50hp guarantee applies to 99s. It does not apply to newer cream puff cars.


T&D rockers typically yield 20-25hp for most people. That's a pretty good leap towards 50hp. You might want to make sure you don't have them already before you ordered them if you think you're car has already been modded much.

A gear as already mentioned can really pep up a car, but you'd probably pull it back out if you add a supercharger later.