Supercharged

[Cliff8928]

Shows how much interest Magnacharger had in that kit i guess...

[rowdygls]

Alright, after a few set backs, we finally got the car closer to being done. Right now it is making 190 whp with a bit more to go, no idea on torque (didn't pay attention).

I will post the pictures of the dyno pulls once the car is finished. I also should have a video clip tomorrow from the front and back (hopefully).

[[ion] C2]

how much boost?

[rowdygls]

4.5 pounds

[[ion] C2]

turn it up to 8-10. lol

[01OldsAleroGt]

im still jealous of you rowdy... but def can't wait till that s/c is tuned

[rowdygls]

Originally Posted by rowdygls

4.5 pounds

Originally Posted by [ion] C2

turn it up to 8-10. lol

all in due time...I have a smaller pulley that should take me up to about 12 and bigger injectors but not at the moment.

[[ion] C2]

oh yeah forgot the stock injectors

[rowdygls]

Finally got the car back tonight and it's working like a champ. Here was the last pull run from last night when it topped out at 195 whp. I will load a few more vids. I'm still waiting on the actual power graphs and I will try to get some drive-bys in a few days.

http://www.youtube.com/watch?v=THZL3b-S590

(if someone has a better recommendation for video hosting, let me know)

[clutch1]

Saw this all in person today.. I gotta say, it's sick!

Sounds a lot healthier than last time. Glad you are getting all the wrinkles ironed out.

[Midgear]

lol woot.. such a nice whine even at low psi. nice!

[rowdygls]

Originally Posted by mfuller

Sounds a lot healthier than last time. Glad you are getting all the wrinkles ironed out.

Oh man, healthy isn't the word, it is down right dialed. Yep, all the wrinkles have now been ironed out once the tune was done.

Originally Posted by rowdygls

Oh man, healthy isn't the word, it is down right dialed. Yep, all the wrinkles have now been ironed out once the tune was done.

I'll need proof next weekend.

Out of curiosity, who tuned it and by what method? HPTuners or DHP?

[natedawg9640]

ugh... still tryin to figure out exactly what to do about next weekend... i wann a swing by but i just dont know how i'm gonna go about making that happen.

[rowdygls]

Originally Posted by mfuller

I'll need proof next weekend.

Out of curiosity, who tuned it and by what method? HPTuners or DHP?

Done Rite Performance up here....4 miles from my house and they used HPTuners. They have a four wheel dyno rated for 1000 hp continous and 2000 hp intermittent. http://www.doneriteautomotive.com/ is their site, check it out.

[Oldsnut]

Originally Posted by mfuller

I'll need proof next weekend.

Same here.

Look forward to it.

[[ion] C2]

wtf's your injector duty cycle lol

[rowdygls]

Originally Posted by [ion] C2

wtf's your injector duty cycle lol

104 %, but it is not running out of fuel at any point, if I wanted to put the smaller pulley on...then I would have problems.

They normally tune the street cars to no more then 106-108%(if I remember correctly), if it is more of a race based car, then they run it well under 100%.

Normally forced induction cars are good up to about 90% duty cycle, but anything above 100% means your injectors are running static, and they will eventually fail from being wide open for extended periods of time.
It only takes a few seconds to go lean and pop a piston.......as long as you have those 28#ers, might as well play it safe and put 'em in.
Just trying to look out for ya, buddy.

Some math for you -

Say you are making 270HP at the flywheel. Your Brake Specific Fuel Consumption is the amount of fuel consumed (in lbs. per hour) for each horsepower made. This should be , .55 to .60 for supercharged engines.
** Maximum Injector Duty Cycle should be around 80% max for safe operation. This allows for some future horsepower increases.

At 90% duty cycle, your injectors need to flow 30lb/hr at 43.5psi. Obviously, the stock LA1 has a 55psi FPR, and you get a tad more from the compound regulator that came with the Magnacharger kit. So 28# injectors are about right.