[Grumpy1]

Originally Posted by SienarSystems

Can’t post numbers but can say it was well worth it.

Impatiently waiting..........

[radz28]

Originally Posted by Grumpy1

Impatiently waiting..........

+1

[EDFHOBBIES]

Post them!

This is 91/93 octane, Can tuner, no headers, stock TB, and stock air box with green filter or oem filter)

Correct?

[SienarSystems]

Correct, 91 octane, stock airbox, stock air filter, stock exhaust...OEM everything except blower and CARB legal (pending approval/certification) tune. And, I’m happy to post numbers (I’m more than pleased) as soon as Magnuson posts them. I know a few folks want to do the install because they too live in CA...all I can say is meet me in the East Bay and we’ll go for a ride.

[EDFHOBBIES]

Should make for a great road course car. Any idea on the upper and I assume lower is stock size.

[SienarSystems]

Lower is stock. I’ve got a parts list for the install and will check to see if the pulley size is listed. Update: upper is 90mm.

[Grumpy1]

How's the low end torq with the bigger blower?
One of the things I love about the stock setup is the immediate torq down low, wondering if any was lost.

[IneedAZ]

Guess I will go out on a limb and say 610-615rwhp now.

[EDFHOBBIES]

Originally Posted by IneedAZ

Guess I will go out on a limb and say 610-615rwhp now.

Lol.. it's hard to put a number on it when the fuel system is the hold back. I saw 700 but at the expense of dropping
500 psi even though afr was perfect. You cant tune the cars on good afr's only like you can on the LS.

If I remember on the 2650 eforce I was about 650 with stock TB, then I did the 103 got to 667 something I think. Then a good cold air got me to 701 how ever the fuel pressure dropped 500 psi but afr was still perfect.. that would be ok on a LS but not the LT platform.

I see this blowef making 680 easy.. with TB and headers 720s but the fuel pressure could be a problem..

I want to say another problem are tbe valves or needs a better cam, that became a bottle knock for me like the intake did.

Let's say I made 700 with low fuel pressure, then we did the cam and heads I picked up 800 to the wheels with same pulley combo but however 800 seems pretty high for 93 octane. So then we started tuning on e85 and got to 867 in hot temp and 887 in warm temps and again back out of fuel.

Everybody waiting!

[SienarSystems]

Tq (and hp) down low takes a hit at 2500 and below. At 3000 rpm power is a bit better with the 2650, and the bigger blower takes off at 3500 and up. By 4000 rpm I’ve got close to (if not peak tq) and the hp graph is a straight line from 2500 (45 degree angle) until 6500 when the pull was shut down. My baselines were 579.8 and 477.3 - best numbers from multiple pulls. @IndeedAZ if those are your expectations, you too would be extremely happy with a Maggie.

[IneedAZ]

Originally Posted by SienarSystems

Tq (and hp) down low takes a hit at 2500 and below. At 3000 rpm power is a bit better with the 2650, and the bigger blower takes off at 3500 and up. By 4000 rpm I’ve got close to (if not peak tq) and the hp graph is a straight line from 2500 (45 degree angle) until 6500 when the pull was shut down. My baselines were 579.8 and 477.3 - best numbers from multiple pulls. @IndeedAZ if those are your expectations, you too would be extremely happy with a Maggie.

I'm hoping for higher from the blower alone, but their website says to expect 50-60rwhp gain

[radz28]

Originally Posted by EDFHOBBIES

Lol.. it's hard to put a number on it when the fuel system is the hold back. I saw 700 but at the expense of dropping
500 psi even though afr was perfect. You cant tune the cars on good afr's only like you can on the LS.

If I remember on the 2650 eforce I was about 650 with stock TB, then I did the 103 got to 667 something I think. Then a good cold air got me to 701 how ever the fuel pressure dropped 500 psi but afr was still perfect.. that would be ok on a LS but not the LT platform.

I see this blowef making 680 easy.. with TB and headers 720s but the fuel pressure could be a problem..

I want to say another problem are tbe valves or needs a better cam, that became a bottle knock for me like the intake did.

Let's say I made 700 with low fuel pressure, then we did the cam and heads I picked up 800 to the wheels with same pulley combo but however 800 seems pretty high for 93 octane. So then we started tuning on e85 and got to 867 in hot temp and 887 in warm temps and again back out of fuel.

Everybody waiting!

I've read that thread a dozen times and I think you're completely right. With both blowers running at pretty much the same boost, under very similar set-ups, they'll be pretty close I'm sure. Your numbers were great for the mods' - at least for what I'm looking for. I liked your test of the air cleaners, too. That was interesting information. I bet a lot of that could be extrapolated to the Maggie. If there's a difference, it's probably only going to be at the end-end of the performance envelope for these rotors.

[EDFHOBBIES]

Originally Posted by radz28

I've read that thread a dozen times and I think you're completely right. With both blowers running at pretty much the same boost, under very similar set-ups, they'll be pretty close I'm sure. Your numbers were great for the mods' - at least for what I'm looking for. I liked your test of the air cleaners, too. That was interesting information. I bet a lot of that could be extrapolated to the Maggie. If there's a difference, it's probably only going to be at the end-end of the performance envelope for these rotors.

Ya I agree to and the maggi may have the edge out of a box flowing more but the porting will fix that.. as I expressed doing the math the price comes out very close for a stock maggi or an eforce w porting.

They keep talking about these bricks that make iats lower honestly seeing what Greg Kong and others are doing the iats are improving because of flow...


I'm really wanting to see the results to..

[CrazyCatGuy]

Originally Posted by SienarSystems

Correct, 91 octane, stock airbox, stock air filter, stock exhaust...OEM everything except blower and CARB legal (pending approval/certification) tune. And, I’m happy to post numbers (I’m more than pleased) as soon as Magnuson posts them. I know a few folks want to do the install because they too live in CA...all I can say is meet me in the East Bay and we’ll go for a ride.

I'm in Dublin and am actually looking at a 2650 Maggie for my SS. What area of the East Bay are you in? PM me if you don't wanna post that info here. Maybe if I can get away from my 16 month old for a bit you can show me what this thing can do.