[Guest]

OK I did some scans and had a fuel pressure gauge hooked up this morning.

I ran a .073 nitrous and .055 fuel jet

As soon as the nitrous hit (4000 rpm at full throttle) the O2's went to a SOLID .890 to .930 during a 1st and 2nd gear trial. When I say solid, usually as I drive around they cycle high/low all the time as the closed loop attempt to find the perfect AF ratio...

Fuel pressure sat right around 78PSI and held solid.

I know depending on my O2's is not the best case scenario (I'll tune this more accurately on a dyno with a WBO2 later) it seems as though my setup is "safe" so far.

No knock retard was seen.

Spark Advance went from -40 in first at 3400 rpm to -34 with 4 degrees of retard at 4800 rpm.

Spark Advance stayed at -33/-34 throughout 2nd gear from 4200 rpm to 5500 rpm.

Any feedback for me?

Setup is:
30LB SVO injectors

NOS 5176 with high flow valve - jets listed above 4AN line from bottle to solenoids on passenger fender. 4AN to 3AN from solenoids to NOS 20360 58MM TB

Walbro 340 in tank fuel pump (adding the NOS inline tonight for safety)
I have the "good" NOS fuel pump - http://www.azsupersport.com/pics/pump3.jpg

Mallory 685 - 4000 rpm to 5200 rpm window switch (at track it's 3200 rpm to 5200 rpm as I have ET Streets on the car) - 4 degrees of retard

Mike

(I know I emailed this to you George, just got anxious for response...)

 

[Guest]

Nice work! I'm a little confused regarding this being a "dry" system when you mention you run .055 fuel jet. Are you running a fuel solenoid? Just curious, as I know the 5176 is setup "dry", that is, spray only nitrous in, with the injectors and pump pushing the extra fuel.

 

[Guest]

The fuel jet is placed in a T - 1 side to FPR, 1 side to to the "blue thingy" from NOS and the last side with the fuel jet facing it is towards the vacuum port from the manifold. By placing the jet in the vacuum line you force additional pressure into the FPR raising the fuel pressure. Right now with the nitrous on and the .055 jet I'm getting just under 80PSI of fuel pressure. I'm changing this to a .052 tonight which should raise me to 90PSI solid.

All additional fuel is through the injectors, that's why I've upgraded to 30LB SVO's, the Walbro 340 fuel pump (high pressure, high flow) and the NOS inline Bosch fuel pump - good to 100 PSI.

To read more in depth you can check out www.azsupersport.com/5176/5176.htm

Mike

Pray for some mid to high 12's for me tonight

 

[Guest]

OK, Mike, I'll pray along with you

 

[Guest]

Jeez, you really wanan lock up those injectors with that pressure, huh?

I thought it was just a typo, but I see that it is not!

OMG, Wow! Your running over twice the fuel pressure those injectors rated for (38lbs).

I'd be very careful with that set up, or should I say, be very scared....

 

[Guest]

SVOs, Accels, and similar designs lock open if there is too much pressure, the stockers on the otherhand lock closed, now that would be bad.

 

[Guest]

Just got back from the track!
First - here's the weather!
65°F
Dew Point: 36°F
Humidity: 34%
Pressure: 29.89 inches and falling
Wind: From the South at 6 mph

Here's the results!

Well, I started with a first pass of 3200 rpm bottom 5200 rpm top of window
1.876 60'
5.29 330'
[email protected] 1/8
[email protected] 1/4
I decided to adjust my window to 3100 - 5300
1.866 60'
5.362 330'
[email protected] 1/8
[email protected] 1/4
Lot's of knock retard at top of shift - nitrous is too high I figured but 60' is improving SO
I changed it to 3000 - 5200 rpm window
1.780 60'!!!!
5.15 330'
[email protected] 1/8
[email protected]!!!!

Woo hoo baby!

Mike

 

[Guest]

Congrats Mike, I take it you weren't expecting that last run to come through like that, huh?

I just noticed, that it is true what they say, From your 1st 60 foot time to your last run you dropped 1 tenth. Which dropped your final E.T. by 2 tenth... Totally kick ass!

 

[Guest]

That's an elevation corrected 12.40!
WOOT!

I have my valve springs sitting in the garage. I'll install them in the next couple of weeks. Should be good for a couple of tenths I hope!

12.38 would get me the fastest bolt on + power adder car...

If it weren't for Dale Baseman I'd be the fastest 3.08 car - PERIOD!

Mike

 

[Guest]

A little research on the Top ET page comes back with some cool info...
I'm now the FASTEST (not quickest) Impala SS bolt on + power adder car in the World! (according to Karl & George)

This day just keeps getting cooler!

HEHE

Mike

 

[Guest]

Very nice run there Mike! I was going to go the way of the nitrous soon, but Heinz said they frown on the use of medical stuff in motors over in Germany. So no go.

Oh yeah, I am running 3.08s too. Better for the autobahn that way.

Mav

 

[Guest]

I don't want to be the barer of bad news but #55 Mike Boggs has gone 113.1 mph with his bolt-on plus adder car(turbo). His ET was 12.8 but that was with a poor 60'. Congrats on your awesome time and I think you'll get your 11 soon enough. Good luck.

 

[Guest]

Damn! Missed that one...
Ooh well, I'll get him next time I'm at the track!

Need to do my valve springs and 3" exhaust setup. Should take 2 or 3 weeks....

Mike

 

[Guest]

Your ONE of the fastest "bolt-on + adder" cars...I trapped at 110 also...but ran a 12.48 ...congratulations on your run I may jet up to a 175 shot, take the 20" rims off the front, remove serpintine, and maybe get some control arms to see can I get a 12.20...we'll see It is good to see more bolt ons+ adders cars running mid 12's though.

Peace

 

[Guest]

Here's the plans for this weekend:
Install CM valve springs and change shift points
Install 2nd stage of nitrous and propane injection - another 50HP

Next week:
Install 3" exhaust
Dyno tune the NA then 1st and 2nd stage of nitrous

Following week:
Run my first [email protected] on juice and [email protected] NA or better (hopefully)
with my 3.08 gears!

Mike

 

[Guest]

Good luck Mike, and keep us posted

 

[Guest]

Great mph!!Your website is nice too.So from what i saw, you are still running stock manifolds, stock t/c??

 

[Guest]

No, I need to update that thing...
I'm running Afterburners and one of the 2500 rpm converters that I sell.

Still 3.08 gears and stock valve springs though.

Mike

 

[Guest]

Ok.I wonder how much more would you pick up with a set of tri-y's over even the slp's over the afterburners on the juice?I am looking at running into the 12's on stock manifolds.

 

[Guest]

I think maybe a .1 difference between the Tri-Y's and the afterburners... I wouldn't be able to tell without testing of course.

There's a guy in the club with stock manifolds running 12.94's

Mike