RegisterSearchFAQMemberlistUsergroupsLog in
Reply to topic Page 2 of 4
Goto page Previous  1, 2, 3, 4  Next
LSA 6.2L supercharger on a 04 5.3L silverado 2wd truck appli
Author Message
Reply with quote
Post  
Don't skimp on the rotating assembly, especially if you are going to force the engine. You absolutely want to get the rotating assembly balanced even if you're going to be using an existing assembly. It doesn't cost that much to have done as part of a short block rework.

View user's profile Send private message Send e-mail
Reply with quote
Post  
I agree now that you mention it. You make a valid point. Thanks man

I found this site when doing crank pulley size research on the LSA setup. Pretty interesting and useful information if anyone was needing it.
http://www.lingenfelter.com/PDFdownloads/Lingenfelter%20LSA%20CTS-V%20ZL1%20Camaro%20Pulley%20Combinations%20Belt%20Sizes.pdf

View user's profile Send private message
Reply with quote
Post  
stroker97k1500 wrote:
I agree now that you mention it. You make a valid point. Thanks man

I found this site when doing crank pulley size research on the LSA setup. Pretty interesting and useful information if anyone was needing it.
http://www.lingenfelter.com/PDFdownloads/Lingenfelter%20LSA%20CTS-V%20ZL1%20Camaro%20Pulley%20Combinations%20Belt%20Sizes.pdf


That's cool thanks

View user's profile Send private message
Reply with quote
Post  
Remember these guys?

https://youtu.be/Qk9uU_3VHT0

It's possible the 4.8 is the choice for turbo and high boost.
But for a dd truck, the 5.3 is probably better for a srew type sc. More torque off boost and similar power but at a lower rpm.



http://www.superchevy.com/how-to/engines-drivetrain/1306-4-8l-vs-5-3l-engine-tech-little-ls-slugfest/

http://www.hoonable.com/build-a-turbocharged-600hp-ls-motor-for-under-2500/

View user's profile Send private message
Reply with quote
Post  
Thanks Those are Pretty good links.
I agree with the larger 5.3 as a DD as well and to go a bit further hopefully the higher compression ratio of the 4.8 pistons will give it the extra torque for my wife to be able to drive it around like stock plus it will have a stronger more fun mode built into the gas pedal

View user's profile Send private message
Reply with quote
Post  
In theory
Touching on my above post be a 5.3/ho with 4.8 pistons vs a 5.3


Would it be worth the extra power/torque of using a certain supercharger on a LQ9 vs the same supercharger on a LQ4

It's the same principle of what I was wondering on my potential setup. Should I go with 4.8 pistons or the stock 5.3.
If the torque is way better I'm ok with spending the extra money for the pistons but according to the Wikipedia
The L33 vs LM7 isn't much to go by for torque gains
Any opinions?

View user's profile Send private message
Reply with quote
Post  
In theory, since both are the same displacement, you will see the same percentage difference on the supercharged LQ9 vs the LQ4, using the same supercharger on each. If there is a 10 percent difference in power between the stock engines, there should be a 10 percent difference in power between the supercharged engines. How it will work in real life, I can't say. The higher compression on the LQ9 adds more heat, which affects power, ect ect ect ect ect...

View user's profile Send private message Send e-mail
Reply with quote
Post  
Your sc flows a specific amount of air at a specific pulley ratio and rpm. How efficient your engine is with that amount of air will be a huge factor in the total output. Like Jim says, the SC will multiply the percentage increase if your set-up can take it.

From what I can read, the LM7 has 9.5 cr and putting flat tops will bring that to 10. That's just worth 1.4% Hp increase. But they changed more then just CR on the L33.
Anyway,
At 10psi that would compound your total Hp gains to 2.4%.
How much money is 2.4% gain worth

If detonation was your limit , then you would gain more power with more boost and lower cr.


http://www.wallaceracing.com/hp-cr-chg.php

How much boost can you run with meth?


The limit of CR seems to be 12:1 (8.? dynamic) on pump gas, but it would be more usefull in cranking psi wich is a more usefull info. That is, if I new exactly what the ideal cranking psi is hehe. 190 ish psi seems to be the upper limit

http://www.wallaceracing.com/eff-cr.php

http://www.wallaceracing.com/dynamic-cr.php

More calculators:
http://www.wallaceracing.com/Calculators.htm

http://www.superchevy.com/how-to/81679-tuning-engine-compression/



Last edited by CrazyHoe on Mon Jan 23, 2017 7:27 am; edited 2 times in total
View user's profile Send private message
Reply with quote
Post  
http://www.xcceleration.com/cr-boost%20101.htm



View user's profile Send private message
Reply with quote
Post  
The aquamist system is interresting as it has pwm selenoid vs other systems who vary pump speed.

http://www.aquamist.co.uk/forum/compare-4.gif

http://www.enginebuildermag.com/2012/02/benefits-of-watermethanol-injection/

http://www.superstreetonline.com/how-to/engine/impp-1101-water-methanol-injection/

http://www.dragzine.com/tech-stories/engine/get-schooled-water-methanol-injection-101/

http://www.superchevy.com/how-to/additional-tech/sucp-0912-methanol-fuel-injection-boost/

http://www.superchevy.com/how-to/car-care/1509-everything-you-need-to-know-about-octane/

Race fuel vs meth.
http://www.mustangandfords.com/how-to/engine/mmfp-0811-methanol-and-racing-fuel-comparison/

https://www.rbracing-rsr.com/waterinjection.html

View user's profile Send private message
Reply with quote
Post  
70 hp 5.3 cam swap.
http://www.hotrod.com/articles/70hp-5-3l-ls-isky-cam-swap/

http://www.superchevy.com/how-to/project-cars/sucp-1203-5-3l-ls-small-block-build-part-4/

Kool
http://www.hotrod.com/articles/boost-ready-lsx-crate-engine/

http://www.lsxmag.com/tech-stories/engine/1000-hp-lsx376-b15-part-2-supercharged-dyno/

http://www.hotrod.com/articles/make-1000-hp-with-an-lsx-crate-engine-and-a-76mm-precision-turbo/

http://www.superchevy.com/how-to/engines-drivetrain/1310-chevy-performance-lsx376-crate-engines/

View user's profile Send private message
Reply with quote
Post  
Blower cam for the ls

http://www.powerperformancenews.com/tech-articles/blown-away-supercharged-ls-cam-comparison/

http://www.hotrod.com/articles/ccrp-1102-chevrolet-5-3l-ls-budget-engine-build/amp/

0-60 in 4s or less
I think it's a 5.3

https://youtu.be/IzhhKc-jzxo

View user's profile Send private message
Reply with quote
Post  
I thank you for all the links but thanks Ben.
The last one was pretty dang awesome for sure. I'm still reading but my 650 hp goal may be a bit short it seems now since I have a gen 3 5.3. I think for the older gen3 block I may just use the factory weaker rods, h55CP flat top pistons and a set of re gapped rings, head studs, ls9 cam and springs, rod bolts and just see what happens.

View user's profile Send private message
Reply with quote
Post  
stroker97k1500 wrote:
I thank you for all the links but thanks Ben.
The last one was pretty dang awesome for sure. I'm still reading but my 650 hp goal may be a bit short it seems now since I have a gen 3 5.3. I think for the older gen3 block I may just use the factory weaker rods, h55CP flat top pistons and a set of re gapped rings, head studs, ls9 cam and springs, rod bolts and just see what happens.


No prob, living vicariously through you. Wink Laughing Laughing

Same truck:

400.4 rwhp - Supercharged - 12.68 @ 113.3 - Baer Brakes AlumaSport
http://www.cardomain.com/ride/2929536/2005-gmc-sierra-1500-regular-cab/

https://www.youtube.com/watch?v=zRn_rGIk1uo

View user's profile Send private message
Reply with quote
Post  
Procharged 5.3 ls1 1200HP stock internals

https://www.youtube.com/watch?v=Awa2W6x1h9k&feature=youtube_gdata_player

And the not so lucky...

http://www.enginelabs.com/news/video-worlds-highest-hp-stock-bottom-end-5-3-goes-boom-on-dyno/

View user's profile Send private message
Reply with quote
Post  
"Combined with the smaller bore, the 5.3 apparently lends itself to being the best LS-ish stock bottom end for boost."

Interesting view:

http://www.ls1gto.com/forums/showthread.php?t=423915

View user's profile Send private message
Reply with quote
Post  
About the 5.3 rods, isn't RPM that kills the powdered metal rods? As they are pretty strong in compression. What is the power limit?

They have the same lenght as the 6.0 (and the same?) so stronger than the longer 4.8 rods.


Specs:

http://www.superchevy.com/features/0405htp-ls2-inside-look-feature/

http://www.billavista.com/Tech/Articles/LS_Primer_Part_1/index.html
http://www.billavista.com/Tech/Articles/LS_Primer_Part_2/index.html

View user's profile Send private message
Reply with quote
Post  
The LQ4 went to the stronger LS2 rods in 2004/2005, the LQ9 always had them IIRC.

The PM rods in the HT/ZZ/SP 383 were tested to 550hp.

peace
Hog

View user's profile Send private message
Reply with quote
Post  
How about a 383 LS stroker kit?

510 HP and 508 lb-ft of torque (N/A)

671 HP and 658 lb-ft of torque (7.8 psi) mouhahahaha!

http://www.trucktrend.com/how-to/engine/1013tr-5-3l-383-stroker-engine-build/

Modern mouse

http://www.superchevy.com/how-to/project-cars/sucp-1111-5-3l-ls-small-block-build/

http://www.superchevy.com/how-to/project-cars/sucp-1112-5-3l-ls-small-block-build-part2/

http://www.superchevy.com/how-to/project-cars/sucp-1201-5-3l-ls-small-block-build-part-3/

View user's profile Send private message
Reply with quote
Post  
"The crankshafts are pretty strong if you’re going to be building up to and around 600 horsepower or so. The weakness is the rods and pistons. The most common failure we see in stock LS engines is the weak spot near the wrist pins cracking, and the tops of the stock pistons chipping. "

http://www.chevyhardcore.com/tech-stories/10-basic-tips-to-building-your-first-ls-engine/

View user's profile Send private message
Display posts from previous:
Reply to topic Page 2 of 4
Goto page Previous  1, 2, 3, 4  Next
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum