Estimated power gain? - Performance Forum

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Estimated power gain?
Saturday, May 24, 2014 4:02 PM
I got an 04 cavalier with a few bolt-ons. I was just wondering if anyone has about the same setup and ran it on a dyno. I plan on going to get it ran on a dyno in the next month or so just for @!#$s and giggles, but I wouldn't mind a little input from yall. My guess is it gained about 15hp, but we all know a butt dyno doesn't mean jack. My bolt-ons are a custom made ram air intake, pace setter header, and a magnaflow 2.25" catback.

Re: Estimated power gain?
Wednesday, May 28, 2014 8:06 AM
you're guess is a bit high.. id say maybe 8hp. you spent a lot of money to gain only 5hp with the magna flow catback.. could've nearly bought one of those kits to build the engine for that price.



Re: Estimated power gain?
Wednesday, May 28, 2014 11:32 AM
My guess is 145whpish.




PRND321 Till I DIE
Old Motor: 160whp & 152ft/lbs, 1/4 Mile 15.4 @88.2
M45 + LD9 + 4T40-E, GO GO GO
Re: Estimated power gain?
Thursday, May 29, 2014 5:42 PM
Yea, the catback was a little steep, but owell. Yea, I figured it didn't gain much without some bigger injectors and a tune. I am still debating on whether I want to toss out the money for a SC or just build the head up with some stage 3 N/A cams, valve and spring upgrades, an intake manifold off of the LE5, bigger injectors and get it tuned and just keep it at a decent HP range without boosting. What do yall think?
Re: Estimated power gain?
Thursday, May 29, 2014 8:03 PM
Supercharge it
Re: Estimated power gain?
Friday, May 30, 2014 6:33 AM
You wont hit the same power level N/A as you would with boost.




Re: Estimated power gain?
Friday, May 30, 2014 7:30 AM
need boost


2001 Olds Alero (LD9)
636 whp / 543 ft-lb
@turboalero
Re: Estimated power gain?
Friday, May 30, 2014 6:29 PM
I just cant see dumping $3000 on a SC kit unless I can find one used, plus cams, injectors and getting it tuned...
Re: Estimated power gain?
Friday, May 30, 2014 7:32 PM
You can get them used for around $1500 or less.




Re: Estimated power gain?
Saturday, May 31, 2014 7:56 PM
Now a days with the use of CSS.net you can have a setup for about $1000-1500. Much less then your plans and you will make 3x the power

Edited 1 time(s). Last edited Saturday, May 31, 2014 7:57 PM
Re: Estimated power gain?
Wednesday, June 04, 2014 6:00 PM
By custom ram air intake, I hope you don't mean just sticking a pod filter from AutoZone on your stock intake. Cause that literally will do nothing performance wise. But still, overall you're probably only looking at less than a 10 HP gain.


Got heem!

Re: Estimated power gain?
Friday, June 06, 2014 3:23 AM
No, the stock intake is completely gone. This is custom made by me for very cheap, and I bet it gave the same amount of flow/power as a $200-300 intake.
Re: Estimated power gain?
Friday, June 20, 2014 2:50 PM
Got it dyno tuned today. So with the short ram intake, LE5 manifold swap, LSJ injectors, Pacesetter header, gutted cat and a magnaflow catback, he tuned the fuel around a bit and with 87 octane it put 145.4hp at the wheels. Not too bad for just a few bolt ons and swaps on a engine that puts 140 at the flywheel that has an auto transmission.
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