What is considered to big of a cam for 5.3L? - Page 2 - PerformanceTrucks.net Forums



INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

What is considered to big of a cam for 5.3L?

Reply
 
Thread Tools Search this Thread
Old 10-09-2013, 10:50 AM   #11  
FormerVendor
iTrader: (5)
 
Join Date: Jan 2008
Location: Texas!
Posts: 4,838
Thanks: 0
Thanked 0 Times in 0 Posts
Default

With a 5.3, you don't have enough torque to begin with to be able to afford to lose any. Been there, done that...sold the truck.

TSP 220R @ 112 LSA / .581" - Warm Idle - 5.3L - NNBS - Silverado - YouTube
220R on a 112 still has a noticeable idle. We could always split the duration a bit for a little more chop if that's what you really want.

- Beau @ TSP
Sales2@Texas-speed is offline   Reply With Quote
Old 10-09-2013, 11:23 AM   #12  
On The Tree
iTrader: (2)
 
99s10sbc's Avatar
 
Join Date: Dec 2008
Location: New Caney Tx
Posts: 126
Thanks: 0
Thanked 0 Times in 0 Posts
Default

Quote:
Originally Posted by 69Camaro427 View Post
I really want the 228/228 on 112lsa sounds amazing in the 5.3L, but I know bigger is not better for small cubes. Man are there a lot of proven set ups with the 220/220 yall were not kidding. The 228 makes like 10 more hp than the 220 right?

I am liking the 3K stall y'all suggested, I can live with 2,000 rpms to get to 30-45mph.

Being that I have a light 2wd single cab I could afford to lose a little low end tq. Thinking about milling the heads 0.03 and throwing some 0.04 cosmetic gaskets on the truck bump compression to 10.3:1. Would a .8 compression jump help retain some low end?
I have the 228r currently in my ride you will lose bottom end but gain a lot up top. I don't have other cams to compare it to as this my first but im thinking I should have gone smaller. Its just a turd off the line with a 3000 stall but nothing a little nitrous wont take care of.
99s10sbc is offline   Reply With Quote
Old 10-09-2013, 04:46 PM   #13  
TECH Apprentice
iTrader: (2)
 
Join Date: Jan 2011
Location: Texarkana, Texas
Posts: 306
Thanks: 0
Thanked 0 Times in 0 Posts
Default

Mine is 218/[email protected] but on a 110LSA, it really doesn't hit the powerband hard till about 3600. Widening the LSA out to 112 would help the down low, just not make quite as much peak power. The more compression you can get away with, the less loss of low end you will have. It will squeeze what air makes it in harder so not near as big if a loss.
Whitecrewcab is offline   Reply With Quote
Old 10-09-2013, 06:29 PM   #14  
TECH Enthusiast
Thread Starter
 
Join Date: Sep 2013
Posts: 657
Thanks: 0
Thanked 0 Times in 0 Posts
Default

That 220 sounds pretty F***** awesome too haha

I like a smooth powerful chop not a rattle can ping and ting. Your web site says that cam's power band is from 1200-6200 what rpms does the tq shift to on a stock heads, bolton set up from your experiences?

What effects does different Lsa have. The lower the # more midrange, the higher more topend-low end but lacking in midrange?

Thanks for the help guys really appreciate it by the way
69Camaro427 is offline   Reply With Quote
Old 10-09-2013, 06:31 PM   #15  
TECH Enthusiast
Thread Starter
 
Join Date: Sep 2013
Posts: 657
Thanks: 0
Thanked 0 Times in 0 Posts
Default

99s10sb and whitecrewcab yall just talked me out of the 228 and 224 lol
69Camaro427 is offline   Reply With Quote
Old 10-09-2013, 07:15 PM   #16  
TECH Apprentice
iTrader: (2)
 
Join Date: Jan 2011
Location: Texarkana, Texas
Posts: 306
Thanks: 0
Thanked 0 Times in 0 Posts
Default

Whitecrewcab is offline   Reply With Quote
Old 10-09-2013, 07:22 PM   #17  
TECH Apprentice
iTrader: (2)
 
Join Date: Jan 2011
Location: Texarkana, Texas
Posts: 306
Thanks: 0
Thanked 0 Times in 0 Posts
Default

The tighter the LSA, lower number, the more midrange and peak numbers, but it closes up the rpm range. The lower the LSA, the more it chops at idle too. The wider the LSA, spreads the powerband out but with lower peak numbers and settles the idle down.
Whitecrewcab is offline   Reply With Quote
Old 10-09-2013, 09:37 PM   #18  
TECH Resident
iTrader: (6)
 
Join Date: Mar 2010
Posts: 904
Thanks: 0
Thanked 0 Times in 0 Posts
Default

I have a isky 224/227 112 lsa that I would trade you for that triple 12 cam
chevyboy.520 is offline   Reply With Quote
Old 10-10-2013, 09:39 AM   #19  
FormerVendor
iTrader: (5)
 
Join Date: Jan 2008
Location: Texas!
Posts: 4,838
Thanks: 0
Thanked 0 Times in 0 Posts
Default

Quote:
Originally Posted by 69Camaro427 View Post
That 220 sounds pretty F***** awesome too haha

I like a smooth powerful chop not a rattle can ping and ting. Your web site says that cam's power band is from 1200-6200 what rpms does the tq shift to on a stock heads, bolton set up from your experiences?

What effects does different Lsa have. The lower the # more midrange, the higher more topend-low end but lacking in midrange?

Thanks for the help guys really appreciate it by the way
A tighter LSA (111) will narrow the powerband, increase low end torque and give more chop at idle. Wider LSAs (115) give a broader powerband, move torque up in the RPM range and give a smoother idle. Now, obviously more goes into powerband and idle quality than just the LSA. Also, LSA does more than just these two things. Here is a nice reference chart from Comp about cam timing and LSA. Technical Specs & Information

- Beau @ TSP
Sales2@Texas-speed is offline   Reply With Quote
Old 06-11-2018, 04:18 PM   #20  
Registered User
 
Join Date: Jun 2018
Posts: 1
Thanks: 0
Thanked 0 Times in 0 Posts
Default

Quote:
Originally Posted by dirt track racer 81 View Post
Tuning is a major key when running low stall with a big cam. I ran a 244/248 cam with a stock 60e converter for almost 2 years I had no drive ability issues at all
did you have any problems with braking? I have a 230/238 cam and my brakes have no pressure
Jort27 is offline   Reply With Quote
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
So heres the plan X_Racing1 GM Engine & Exhaust Performance 21 03-30-2016 02:37 PM
Clean fresh 799 heads, bnib big comp cam low2001gmc GM Parts Classifieds 0 07-23-2015 05:10 PM
turbo cam question WICK3DxGATA FORCED INDUCTION 4 07-21-2015 06:59 PM
5.3l cam choices. projectnightcrawler GM Engine & Exhaust Performance 5 07-19-2015 11:30 PM


Tags
112, 113, 2000, 2005, 220, 220224, 53, 53l, big, cam, chevy, end, gmc, low, put, stock, torque, whats

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -5. The time now is 06:39 PM.


© 2018 MH Sub I, LLC dba Internet Brands
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
 
  • Ask a Question
    Get answers from community experts
Question Title:
Description:
Your question will be posted in: