Sunday, February 10, 2008

Slowtra's First Dyno Charts

Here are the long awaited dyno charts from the Slowtra's baseline dyno back in December. I apologize for the long long wait but I had practically zero time to blog till the current CNY hols.

Pix below of the power curve and output figures below. The curve very closely resembles what TCM shows in the Sentra brochure. The 25k km mileage engine's bone stock cept for Heat Range 6 ND Iridium plugs and a K&N drop-in element replacement filter. Figures are all at the crank.

The torque curve and output figures

As you can see from the power and torque curves there's a very pronounced dip between 3500rpm to 4000rpm. Most people actually feel this deep as a surge of power thinking the engine's VTC is like VTEC. Wahahhahaha! This proves once again that butt dyno's are only good for feeling power/torque transitions rather than gains. I have a set of Hot Bits stainless steel headers and exhaust b-piping on order. This should hopefully get me some gains and
reduce the dip in the curve...


21 comments:

firdausasri said...

llsaw,

Normally, how much % of drivetrain loss on manual car? 20%? Is it possible to reach you via email? I'd like to ask some questions about 4G93P.

Andrew Saw said...

Drivetrain losses are approx 10-15%only. Sorry but I'll rather not answer anything on the 4G93P. Have sold of the SP already for more than a year..

Jack said...

Muahahahhaha.....

vincent said...

bro, how about your A/F ratio graph?

Andrew Saw said...

Sorry Bro, didn't get that. It's a stock engine so I wasn't bothered.

skaal2 said...

Mr Andrew Saw---I have a 2002 Nissan Almera N16.Andrew can you please help me as i am looking for sport or adjustable shocks for it.Can you please tell me a brand that i can use.It's the same car as N16 Nissan Pulsar and G10 Bluebird Sylphy.I really need your help as you know alot about N16.

Andrew Saw said...

Hi Skaal2,

Are you from Europe? There are not many shocks for the N16 unfortunately but I believe beyond the M'sian & Jap brands like Tein & JIC, Koni and DMS should have an application.

Darren198712 said...
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Darren198712 said...
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Darren198712 said...
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Darren198712 said...

pictures was not loading up so here is another comment

I have a N16 Hatch and I am from the UK

heres my car
http://img.photobucket.com/albums/v256/Darren198712/N16%20Resprayed/DSC00019.jpg
http://img.photobucket.com/albums/v256/Darren198712/N16%20Resprayed/DSC00022.jpg
http://img.photobucket.com/albums/v256/Darren198712/N16%20Resprayed/DSC00014.jpg
http://img.photobucket.com/albums/v256/Darren198712/N16%20Resprayed/FrontSide.jpg
http://img.photobucket.com/albums/v256/Darren198712/seats1.jpg

I really like your car and it looks tidy the way you done it I am also after some Nismo Stickers. what engine are you running a QG15DE or a QG18DE? some one has turbo charged the QG18DE and got 175bhp out of it. The same guy also has 18" alloys with 330mm front disks with Nissan QX rear hubs and Custom hubs on the front with R33 Skyline 4 Pot calipers.

Re: to Skaal2
Publish Your Comment
the n16 shocks can be brought from K-Sport.

Darren

Darren198712 said...

oh yeah Andrew Saw + the rest of you with N16's Please E-mail me on DarrenLim12@Hotmail.com

Darren

skaal2 said...

Hey guys, i did some research and found that Koni has adjustable shocks for the N16 Nissan Almera.Front-8610-1409//rear-80-2838.It's Koni Sport.Thaks for the help guys. I am from trinidad and Tobago.

Darren said...

do you have a N16 hatch or a saloon ?

Darren

Andrew Saw said...

Hello Darren,

Nice car there. I'm running the QG16. Since you're in the UK any idea if Piper or Kent is willing to make some cams for The QG engine?

Andrew Saw said...

Hi Skaal2,

Koni Sport is a decent shock. I would say go for it!

Darren said...

There is not many things out for the QG engine in the UK

here is a website for some parts
http://www.motorsportworld.co.uk/framefixsbc.asp?page=3&make=NISSAN&model=ALMERA&year=2003&ProdGroup=Engine&ProdSubGroup=Cams/Kits/Accessories

I am planning to put a SR20DE or SR20DET into my car. it seems like a better option then doing any work to the QG15DE. The gearbox broke a year and a half ago and the gearbox only did 30k miles so I don't trust it anymore

In the UK the QG18DE owners can use flywheel from the SR20.

is there any parts available for the N16 in Malaysia ?
I am off there in July

Darren said...

E-mail me instead andrew its easier

Join
http://www.almeraownersclub.net/ or
http://forum.pulsar.org.au/

for more info about the N16. if you have a hatch its best to go on Almera Owners Club

and if you got a saloon then the Pulsar Australia would be better. a few people from Pulsar Australia has put SR20DET's into there N16 saloon. they also show you the rear brake conversion and front brake conversion as on the N16 Hatch the disks are bigger.

Andrew Saw said...

Hi Darren,

I'm already a member of both forums :) Not really into engine transplants unless absolutely necessary. Have already pushed the tech barrier once with my 190hp NA Proton M21 and not going to do this again. Just want a comfy daily driver with a little more oomph than stock ;)

Andrew Saw said...

Also I know how to do a rear disk conversion no worries ;) The problem here is time to find a decent rear beam with disk brake assy..

Darren said...

thats cool then :-)