2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb - Boost Forum

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2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Thursday, April 23, 2009 8:50 PM
Thought I would share. Yep 15.5 psi turbocharged stock engine 110000 miles. building up the new engine. just thought Id see if the stock one could take it. GM did pretty good I would say. Forgiving calculations with engine geometry, corrected mass flow, holding BSFC at .450 and Volumetric E at 90% makes about 377hp to the wheels.

Happy boosting

Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Friday, April 24, 2009 12:00 AM
Yes....MS is the bomb. None better IMHO. Nice work, sounds like a ticking time bomb, but I think you know that....have fun while it lasts and hurry with that motor build.


"Never argue with an idiot. They'll drag you down to their level, then beat you with experience!" -Anonymous
Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Friday, April 24, 2009 6:19 AM
dang . thats crazy lol how long you been running it on 15 pounds ?
Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Friday, April 24, 2009 9:13 AM
What turbo? unless it's a 35R or similar i'd say 377 is a pretty exagerated number for just 15psi.



President/Founder - 607 Motorsports
Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Friday, April 24, 2009 9:15 AM
[ion] C2 Online
Hurry up on the new engine lol when that rod goes through the current block you don't want it to hit anything else.


2001 Olds Alero (LD9)
650 whp / 543 ft-lb
@turboalero
Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Friday, April 24, 2009 9:41 PM
I haven't had it at 15.5 psi long. I have been running 10 psi for probably 50,000 or more miles. Just finally pushed it up there because I just installed my 95lb/hr injectors. The new motor build is in process, Its punched out to a 2.5L. I have been spending the last 2 years designing my new turbo system, fuel system and megasquirt. The turbo is optimized for great street and yields great high performance, comparable to a GT35R but just a tad smaller i did not want to double the cost just for ball bearings and a little more air flow at 6000 rpm and up.

The calculation might be a tad high given that there are mechanical losses and that this is not a perfect world also Vol Eff and BSFC are just safe constant figures. However I have compared my calculations to many dyno pulls and have been with in 15 hp.

I just want to share how robust these engines are given the proper tuning. It sure is fun to feel that much torque
Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Saturday, April 25, 2009 4:16 AM
I want pics


Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Saturday, April 25, 2009 5:51 AM
i want videos



Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Saturday, April 25, 2009 7:00 AM
Are you running the MS on fuel and spark or just fuel? Still running factory gauges?


"Never argue with an idiot. They'll drag you down to their level, then beat you with experience!" -Anonymous
Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Saturday, April 25, 2009 8:36 AM
[ion] C2 Online
Jamie S wrote:The turbo is optimized for great street and yields great high performance, comparable to a GT35R but just a tad smaller i did not want to double the cost just for ball bearings and a little more air flow at 6000 rpm and up.

So.... what turbo?


2001 Olds Alero (LD9)
650 whp / 543 ft-lb
@turboalero
Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Saturday, April 25, 2009 11:56 AM
[ion wrote: C2]
Jamie S wrote:The turbo is optimized for great street and yields great high performance, comparable to a GT35R but just a tad smaller i did not want to double the cost just for ball bearings and a little more air flow at 6000 rpm and up.

So.... what turbo?


From his reg: turbonetics T3/T4 turbo

Btw, I wanna see pics or vids as well.








~2014 New Z under the knife, same heart different body~
______________________
WHITECAVY no more
2012 numbers - 4SPD AUTOMATIC!!
328 HP
306 TQ

Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Saturday, April 25, 2009 7:24 PM
Joshua Dearman wrote:Are you running the MS on fuel and spark or just fuel? Still running factory gauges?

The engine is fully supported by MS v3.57, No stock ECU, no stock gauges.

The turbo is T3/T4 stage III .63 turbine, 57 trim 60 A/R compressor can make around 450hp with it. I can always upgrade compressors later if wanted.


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Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Saturday, April 25, 2009 10:09 PM
Car is mean! Nice work.
Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Sunday, April 26, 2009 5:11 AM
wow that is awesome man, good work on the motor set up.



Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Sunday, April 26, 2009 2:22 PM
glad to see you are still around.




nice work.




Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Sunday, April 26, 2009 2:41 PM
Damn, nice work on the car man. There are a lot of people on the site that blast 2.4s, but you actually did it right. Well done.

Are you gonna post videos?
Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Sunday, April 26, 2009 2:47 PM
The Cavillac wrote:Damn, nice work on the car man. There are a lot of people on the site that blast 2.4s, but you actually did it right. Well done.

Are you gonna post videos?

My feelings the same about the terrible flack that the LD9 receives in the advent of the Eco engine.
Nice going with the car so far and good work on the engine.
Car is sweet and love the custom gauges too.


Misnblu.com
Newbie member since 1999
Thank you Dave and JBO!





Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Sunday, April 26, 2009 2:49 PM
Jesus.. a stock 2.4 taking abuse like that.

Awesome !



My Cav
I give up...
i'm buying a VW those people love trees, so they should love eachother too... "Andy"
Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Sunday, April 26, 2009 3:40 PM
When my rod blew out my motor, i had to replace my starter because it cracked it in half. Just thought i let you know make sure you got extra parts laying around.
Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Sunday, April 26, 2009 6:50 PM
I cant wait to run ms with the turbo car. Everything looks good to me!!





Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Sunday, April 26, 2009 6:58 PM
Lovin' this car.






Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Monday, April 27, 2009 3:45 AM
Joe Schulte wrote:Lovin' this car.

couldn't say it better.



PRND321 Till I DIE
Old Motor: 160whp & 152ft/lbs, 1/4 Mile 15.4 @88.2
M45 + LD9 + 4T40-E, GO GO GO
Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Monday, April 27, 2009 3:07 PM
Jamie S wrote:Its punched out to a 2.5L.


eh... come again?



I'm tired of wasting my time... now I'm breakin' free.
Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Monday, April 27, 2009 8:10 PM
my bad, 2.45L had a typo, got in a hurry and left out the 4. Went with 91mm pistons.

I don't have any videos at this time. I have the pipes all off now to put beads on the ends, blew one apart. Got to finish wiring up the garage for the TIG. I am trying to set up dyno time after I get it back together. I will try and get one of my friends to come with to video. I want to see the stock motor put over 300 down before I swap it out with the new one haha. Hopefully it holds a little longer
Re: 2.4 LD9 stock engine110,000 miles 15.5 PSI runs strong Megasquirt is the bomb
Monday, April 27, 2009 8:55 PM
300 is easy to do with a stock motor, as long as you tune it right.



FU Tuning



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