Dyno #'s w/HSW 150 wet... runs RICH
This is a discussion on Dyno #'s w/HSW 150 wet... runs RICH within the Nitrous forums, part of the LSx Technical Help Section category; Hey all- Went to the dyno yesterday... 101* and 52% humidity... My NA pull made 316hp 323tq . The A/F ...
08-11-2007, 11:40 AM #1
Dyno #'s w/HSW 150 wet... runs RICH
Went to the dyno yesterday... 101* and 52% humidity...
My NA pull made 316hp 323tq. The A/F ratio is a little fat, but its a nice flat line and the car ran well there - any leaner and it looses power.
My N2O pull made 394hp 486tq... you'll notice no A/F chart on this sheet... because it ran SUPER fat. So fat indeed that the moment the nitrous hit, the A/F #'s fell below 10 and the machine couldn't chart them! With 150HP jets installed, I only increased 78HP and 163TQ.
Bottle pressure was at 1000psi and it was 101*F in the dyno building.
With the increased bottle pressure, I'd expect to see it a little lean... not so damn rich that it bogs down the car when the n2o hits (still strong, but I'm leaving 20-30hp on the table I'd bet.)
I need to jet the fuel down a bit since the A/F is linear and fairly close to correct NA... but falls thru the floor and goes FAT on the juice. Question is, how far do I go? I'm currently running n20=.062 fuel=.034. Wish I could have re-jetted it on the dyno, but that wasn't an option unfortunately. I still dont have a wideband either.
I'm uploading short vids of each pull to putfile now, I'll post them a bit later.
-Eagle| '02 WS6 M6 | KOOKS/ORY | LC-1 | LOU'S SS | UMI SFCs | BMN LCAs & RELOC's | Hotchkis STB | HSW 150 shot | Lid | 42# Lucas | HPTuner Pro |
08-11-2007, 12:02 PM #2
08-11-2007, 02:14 PM #3
Yes, I bought it in May? of this year. Its the sudden impact wet kit.
NA pull vid:
N2O pull vid (listen for the bog right when the window switch goes on):
Last edited by Eagle; 08-11-2007 at 02:33 PM.
08-11-2007, 06:11 PM #4
if it's under 10:1, i would go down to .031 jet. most companies use 62/32 as a 150 shot.
08-11-2007, 06:21 PM #5
Its definitely under 10... the meter just flat lined at 10 and sat there the entire pull...
I have a .031 jet handy... I'd want to scan against it tho... its the jet thats supposed to be used for the 125 shot according to the card. What O2 voltage should I expect? Still 890s?
08-11-2007, 06:26 PM #6
08-11-2007, 06:39 PM #7
Roger that! Thx mrr!
08-11-2007, 09:14 PM #8
Ouch. You should have way more in it than 78hp. I gained 98.2rwhp from a 100-shot (Dyno Tune Kit).
08-12-2007, 06:43 AM #9
I did get quite a bit of torque tho... I'm always looking for the silver lining...
08-12-2007, 09:03 AM #10
Fix that A/F, Matt says the new kits are rated RWHP. You got a 50 % loss.
08-12-2007, 10:01 AM #11
Ya I know it, thats my problem! I'm hoping Matt will reply here...
08-12-2007, 05:23 PM #12
isnt torque the one that really matters thoe, nut high 70's hp, should be more.
08-12-2007, 05:48 PM #13
the hp number is a joke. i have been as low as 91 rwhp on a 150, but i finally got it figured out.
08-12-2007, 05:54 PM #14
is that a new ride for you MRR23 thats on your sig??
08-12-2007, 05:55 PM #15
yep. i bought badbluebird car.
08-12-2007, 05:56 PM #16
Congrats on the new ride mrr! Whats the plans for that one?
08-12-2007, 05:59 PM #17
want a full out race car. going to gut it out and build a 454 LSX motor for it. always liked the maui blue.
08-12-2007, 06:07 PM #18
08-12-2007, 06:09 PM #19
don't feel like honing out the new LSX block for 1 cubic inch.
08-12-2007, 06:23 PM #20
lmao @ 1 cubic inch.
Users Browsing this Thread
There are currently 1 users browsing this thread. (0 members and 1 guests)
By GMS Fleet in forum Western MembersReplies: 38Last Post: 05-08-2007, 01:46 PM
By mrr23 in forum Dyno InformationReplies: 12Last Post: 09-30-2006, 01:23 PM
By tuningguru in forum Drag RacingReplies: 1Last Post: 08-12-2006, 07:23 PM
By 94 cobra in forum Parts For Sale / TradeReplies: 0Last Post: 01-28-2006, 01:29 PM
By ws6man in forum NitrousReplies: 25Last Post: 01-21-2006, 02:40 AM