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Discussion Starter · #21 ·
sent my 2016 manual to Lingenfelter for a LS7 block and LS3 heads with a magnuson supercharger (it fits under the hood) - gave me 700HP and 695 torque at the crank - works nicely as a daily driver.
nice. yeah if im over 600 its fine it just want the care reliable and fun. i had a hellcat so i want it just as fast or faster. loving the sleeper sedan look thou
 

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had the HeartBeat from Maggie back in 2015/2016. at the time, probably one of the best if not the best PD blower for our LS engines. Fast forward to today with a Harrop 2650 and the difference is night and day. IAT's are better, HP and Tq is way up, and it is more that I or most people will ever need. I am pushing 18 lbs of boost but this could be 10 and be even cooler. and still get big power. just a thought.
How much is the Harrop 2650?
 

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Discussion Starter · #27 ·
I didn't even consider Harrop, do to my own ignorance to this whole performance workd of options. I went with a whipple...just waiting on it.
Yeah i taking the car in today to get looked over and dynoed, since it gas other things done to it when i bought it. And might arrange a supercharger install with them. Gonna be long day sitting around...
 

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On the positive, you have a lot of great options, because “LS3.” I don’t think I’ve read any really bad experiences on the forum from anyone that went the PD route. Installs are fairly straightforward and the biggest issues have been getting the tune right and cooling at higher power levels (600hp+). Key is finding a good tuner with lots of experience with LS engines, not Joe down the street that tuned a Mustang once…


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Curious as well...LS3 SBE/Stock HEAD/LTH
Thinking about building out a basic stock LSA kit to bolt on for some slight bump in HP. Without going too far into the rabbit hole of building a motor.
Stock LSA GM parts + LTH, LSA/LS9 Cam worth doing?
 

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Discussion Starter · #30 ·
Found out the reduced power error is cause my cluster needs to be replaced. And gonna plan some time off to have them install magnuson.
 

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Discussion Starter · #31 ·
Curious as well...LS3 SBE/Stock HEAD/LTH
Thinking about building out a basic stock LSA kit to bolt on for some slight bump in HP. Without going too far into the rabbit hole of building a motor.
Stock LSA GM parts + LTH, LSA/LS9 Cam worth doing?
From what i hear the LSA is cheaper the mag runs cooler, but it really wont matter. Also apparently the LSA has higher power possibilities. I love the cam thats in mine car sounds amazing gets alot of attention too.
 

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From what i hear the LSA is cheaper the mag runs cooler, but it really wont matter. Also apparently the LSA has higher power possibilities. I love the cam thats in mine car sounds amazing gets alot of attention too.
Yeah i figure I can piece together a kit for 4-6...install it myself. Just need to figure out if Cam/Converter are worth doing.
 

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2015 SS regal peacock green, auto with sunroof and full spare.
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600hp should work on the stock bottom end. Start approaching 700 and you'll probably want to start looking at forged internals and other major upgrades. You can technically do that at 600 just to be safe if you want to spend the money.

LSA if you want good power that has a lot of available replacement parts and knowledge from people, and you don't want to spend a lot. Doesn't need a hood change like you heard, it'll just make a small indentation in the fire blanket, no worries.

Whipple, Harrop, or Magnuson if you want more power-capability than that and still have a roots-style blower.

Procharger if you want something that builds power more like a turbo-setup than the others listed above.

Custom turbo for massive power, but you'll need a loooot of other expensive upgrades if you are reaching for high power levels. This isn't necessary if you're only doing the 600hp like you said.

I have an LSA since I wasn't chasing high numbers and just wanted a nice, reliable setup that I could easily find parts if they break. Plus it looks factory on this car (should have come with an LSA option from the start honestly, but I understand the logistics to do that wouldn't make much sense). I would have done Procharger if I wanted more power. But I got my entire build bought, installed, tuned, and shipped all for only a little bit more than just buying the other superchargers, and that was all I needed. Around $9k total for everything involved and couldn't be happier!

You can view my build here, but looks like you will be chasing higher numbers than me: smann's LSA Build!
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I have essentially the same experience with my LSA, about 8K but I tuned it myself. Stock pulley on my LSA and I dyno'r last month to about 510whp on 91 octane with everything else stock including exhaust and cats.

My build.can also be searched online.
 

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I wouldn't worry about the converter unless you're going to drag race it and care a lot about the ET.
 
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