Extra Power

Anonymous · Post by **Anonymous** » Mon Sep 04, 2006 10:36 am

Following the purchase of my first 16v, and subsequent joining of 16v forum after much persuasion from Timmo (Cornish) here is my first post:

What is the easiest way of increasing my 160 ish BHP?

And what sort of increases could i expect?

Have some more questions to ask, but will keep them for later, so keep tuned in.

Matt

Timmo · Post by **Timmo** » Mon Sep 04, 2006 11:11 am

glad you made it over matey!
i suspect the easiest quickest methods would be a ecu chip or nos!??!
i know luke did some testing at a r/r day with a few chips to find out what worked best!
and tony m has had some good success with his nos!

Anonymous · Post by **Anonymous** » Mon Sep 04, 2006 11:24 am

Hi,
At the risk of repeating whats been said before, make sure you're getting somewhere near the std. power figure before modding.
As Timmo mentioned these motors really like NOS, but if you want to go much higher than say +40 BHP, then you need to go direct port since the inlet headers run up hill.
Cheers

Anonymous · Post by **Anonymous** » Mon Sep 04, 2006 12:02 pm

Being totally thick and non mechanically minded, whats a nos?

Mandic · Post by **Mandic** » Mon Sep 04, 2006 12:28 pm

Nitrous oxide system. Very popular in drag racing scene.

Ever seen fast and furious? Remember that warp effect? That's NOS

Cheers

Ziga

Post by **Toddman** » Mon Sep 04, 2006 1:17 pm

Hi pinfold welcome to the site

First off I would double check which engine oyu have as the valver has 2 power outputs the 160BHP and the 148BHP the latter being due to the cat etc.

Which engine you have greatly affects the tuning route you need to take.

Assuming you have the 160BHP and all of it is still there then TBH there is little you can do to gain decent power with bolt on mods unless you choose nos.
Because the set up on these cars is so good as std a filter,exhaust and a chip will only see you gain around 6BHP but the car will rev freely and should pull a little better.

If you want more than that then it is real engine work and if your bottom end is solid then some decent headwork will help a little along with cam or cams - catcams seem to be leading the way these days with this engine and good results are being proven with just a good head clean up and 3 angle valve seats and an inlet cam only so costs are not too steep.

At the end of the day it all depends what you want to acheive - a sub 7s 0-60 a 150mph top speed etc etc horses for courses and all that and of course how much you want to spend.

Cheers
Luke

jan · Post by **jan** » Mon Sep 04, 2006 8:15 pm

Looks like this :
http://www.holley.com/05030-FINOS.asp

But there's also simpler systems using only one fogger ( nozzle ) and many different brands as well. But this one has its definite advantages.

Channel Hopper · Post by **Channel Hopper** » Tue Sep 05, 2006 12:09 am

jan wrote:Looks like this :
http://www.holley.com/05030-FINOS.asp

But there's also simpler systems using only one fogger ( nozzle ) and many different brands as well. But this one has its definite advantages.

Got one of those on a CB1100F giving a rise of 30% above the standard 110 hp at 9000 rpm, never thought of using it in a car though.

Estimated HP gain on 150ish hp at 5500 RPM ?

Timmo · Post by **Timmo** » Tue Sep 05, 2006 8:37 am

that would muchly depend on the size of the jets (i think thats what there called) you use! could be anythink from 25 - 200 extra!

Post by **Toddman** » Tue Sep 05, 2006 9:56 am

Power is all about how much fuel you can burm.
NO2 just supports combustion hence allowing more fuel to be burnt so the power you gain is proportionate to the amount of NO2 you feed in as you can feed in the extra fuel fuel as well. Hence why you get varying jet sizes often quoted as 25BHP,50BHP etc rathe rthan their actual size.

Cheers
Luke

Mandic · Post by **Mandic** » Tue Sep 05, 2006 11:29 am

Toddman wrote:Power is all about how much fuel you can burm.

IF You have air.

What NOS (N2O) does when it comes in the cylinders is; first being N2 cools the cylinders down and being O2 it provides that IF in the upper sentence.

So You get more oxigen, therefore You can enter more fuel to be burned and You get cooler cylinder so knock is avoided.

Cheers

Ziga

Post by **Toddman** » Tue Sep 05, 2006 1:28 pm

Mandic wrote:
Toddman wrote:Power is all about how much fuel you can burm.
IF You have air.

What NOS (N2O) does when it comes in the cylinders is; first being N2 cools the cylinders down and being O2 it provides that IF in the upper sentence.

So You get more oxigen, therefore You can enter more fuel to be burned and You get cooler cylinder so knock is avoided.

Cheers

Ziga

That is basically what I said

Burn by definition means that oxygen is present so you saying "IF you have air" is redundant because if there was no air it wouldn't burn.

If I had said "Power is all about how much fuel you cram into the cylinder" then you comment would be valid.

Cheers
Luke

Mandic · Post by **Mandic** » Tue Sep 05, 2006 2:18 pm

Sorry Luke, wasn't my intention to criticize Your comment or anything else, I just used that sentence to complete my post. I wanted to widen (add some more to) Your post by explaining how it really works and why exactly N2O.

Cheers

Ziga

tim leech · Post by **tim leech** » Tue Sep 05, 2006 2:28 pm

Bearing in mind though your car maybe 15 years old and have done alot of miles go steady with what you do it or it may go BANG!

To be honest my 16v is fast enough for me

Mind you im the wrong side of 30 now and do like a midafternoon nap on a Sunday!

Post by **Toddman** » Tue Sep 05, 2006 2:42 pm

No worries Ziga I can be a bit defensive at times

Cheers
Luke

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