Mustang Dyno Sniffer vs. Wideband?

Your premier source for information on the Turbo KA: KA24E-T and KA24DE-T (KA with aftermarket turbo kit)!
User avatar
Chezedik
Posts: 4726
Joined: Tue Dec 17, 2002 8:35 pm
Car: 1991 Nissan 240sx

Post

I am looking to make my tax return go as far as I can. I can get my car boosted with my return + about 100 bux if it weren't for the wideband. At my school we have a Mustang Dyno available to do pulls on, and I was wondering if I can trust the readings for A/F on the sheet? I intend to use 550cc injectors with an SAFC2 and a Z31 MAF. Any feedback would be appreciated.


User avatar
onosqv
Posts: 5675
Joined: Wed Aug 07, 2002 12:32 pm
Car: '92 240sx Vert
Contact:

Post

As long as that one is calibrated and hasn't been abused the crap out of, I don't see why not.

School w/ mustang dyno.... ssswweeetttttt.

KATwo40
Posts: 1761
Joined: Tue Feb 01, 2005 9:40 am
Car: 1993 240sx KA-T

Post

Keep in mind, if you're running a cat, the A/F readings at the tailpipe will show slightly leaner than they actually are.

User avatar
Jookmasta
Posts: 5172
Joined: Fri Apr 18, 2003 3:26 pm

Post

+1 for what broke240 said.............free dyno u say? lol.

User avatar
onosqv
Posts: 5675
Joined: Wed Aug 07, 2002 12:32 pm
Car: '92 240sx Vert
Contact:

Post

KATwo40 wrote:Keep in mind, if you're running a cat, the A/F readings at the tailpipe will show slightly leaner than they actually are.
HAHA, don't tell him that! now he's gonna tune for ultra lean, HAHAHA.

Better to run a lil on the rich side anyway rite?

User avatar
4felix20
Posts: 1091
Joined: Wed Jul 24, 2002 10:50 am
Car: Emerald Blue S14
Location: NV

Post

brokeAs240sx wrote:Better to run a lil on the rich side anyway rite?
max power is achieved at 10% richer than stoich. -innovative motorsports/producer of the LM-1

skatanic28
Posts: 397
Joined: Thu Oct 10, 2002 5:35 am
Car: 96 240sx

Post

is it a tailpipe sniffer or a sensor that you temporarily put in place of the narrowband o2?

mine was right on with the dynojet sniffer, but i didnt have a cat in place.

User avatar
Chezedik
Posts: 4726
Joined: Tue Dec 17, 2002 8:35 pm
Car: 1991 Nissan 240sx

Post

I won't have a cat and it is a sniffer that goes in the tailpipe. With it (and without a cat) the readings should be accurate then?

User avatar
Chezedik
Posts: 4726
Joined: Tue Dec 17, 2002 8:35 pm
Car: 1991 Nissan 240sx

Post

brokeAs240sx wrote:As long as that one is calibrated and hasn't been abused the crap out of, I don't see why not.

School w/ mustang dyno.... ssswweeetttttt.
It gets used twice a year. For whatever reason, even though it is open to students on friday afternoons, no one uses it. I was talking to the lab ***, and he said that I would be the first in the few years he has been there.

skatanic28
Posts: 397
Joined: Thu Oct 10, 2002 5:35 am
Car: 96 240sx

Post

Chezedik wrote:I won't have a cat and it is a sniffer that goes in the tailpipe. With it (and without a cat) the readings should be accurate then?
mine sure was, except for maybe a very slight delay in the dyno reading. could have been the sampling rate/controller though.


User avatar
onosqv
Posts: 5675
Joined: Wed Aug 07, 2002 12:32 pm
Car: '92 240sx Vert
Contact:

Post

Chezedik wrote:It gets used twice a year. For whatever reason, even though it is open to students on friday afternoons, no one uses it. I was talking to the lab ***, and he said that I would be the first in the few years he has been there.
NICO ROAD TRIP TUNING DAY!

hahahaha.

User avatar
Chezedik
Posts: 4726
Joined: Tue Dec 17, 2002 8:35 pm
Car: 1991 Nissan 240sx

Post

I can always talk to the professor. But do you want to drive from socal to butt **** KS?

uvamosk
Posts: 707
Joined: Mon Jun 27, 2005 8:25 am

Post

Man Chezedik if you where like about 3.5 hours closer I would take you up on that offer LOL....

crzycav86
Posts: 3836
Joined: Tue Aug 05, 2003 1:28 pm
Car: 93 Nissan 240SX KAT

Post

if you use a cat, the dyno will read about 1 pt leaner on the dyno sniffer.

DRIFTEADOR
Posts: 706
Joined: Thu Dec 16, 2004 6:17 am

Post

4felix20 wrote:max power is achieved at 10% richer than stoich. -innovative motorsports/producer of the LM-1
maybe n/a. 10% richer than stoich is 13.2:1, try that on boost

User avatar
95_240sx
Posts: 958
Joined: Sun Aug 18, 2002 7:24 pm
Car: My baby (car)
Contact:

Post

DRIFTEADOR wrote:maybe n/a. 10% richer than stoich is 13.2:1, try that on boost
No ****...KaBOOM.....

I achieved max power at around 11:1 on 30psi of boost. If you use the right gas, and use the right timing and get that mixture to light off...your gonna make power.

Rick

User avatar
4felix20
Posts: 1091
Joined: Wed Jul 24, 2002 10:50 am
Car: Emerald Blue S14
Location: NV

Post

that's good to know. i wasn't even sure if they referring to n/a or FI..


Return to “KA24ET / KA24DET Forum”