which actually more efficient to L99 "VVT Cam or conversion LS3" - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

PFL · 01-06-2015, 05:52 AM

Hi guys

I have many doubts about the durability of a VVT Cam. My serious question, what would be the change stronger, more durable to our L99 camaro, ls3 conversion with dod delete and custom Cam or VVT Cam dod delete and custom VVT Cam? know VVT Cam shows great results, some hp + compared to ls3. most want to know the safest for high speeds, I will not move from 6500rpm. between these two options the customizers know solides project.

Synner · 01-06-2015, 05:59 AM

Are you hoping for a remote or local tune? In this case I would go with what your tuner is more comfortable with due to your location. The VVT cams have better low end gains with no sacrifice on top end so if possible I would go that route.

I would remove the crap L99 lifters either way but it sounds like you already are with either option. There are no issues with VVT cam durability but less tuners have a lot of experience with them.

Tampa Tuning · 01-06-2015, 06:05 AM

what are your doubts about a VVT cam?

Southern Comfort · 01-06-2015, 06:12 AM

As efficiency goes I think VVT will work better for an auto setup. At least until the point the chosen cam moves out of the converter stall range.

62nalide · 01-06-2015, 09:34 AM

VVT FTW and would NEVER ever ever ever do an LS3 conversion on my setup

PFL · 01-06-2015, 10:05 AM

Quote:

Originally Posted by Tampa Tuning

what are your doubts about a VVT cam?

I'm afraid at very high spins, when it requires the car. severe regimes in Drag racing or track day the VVT were to fail. wonder if the long future, the VVT Cam or conversion ls3 would be the best option. which one has the lowest risk of engine failures?

vroomapunk · 01-06-2015, 10:25 AM

Quote:

Originally Posted by PFL

I'm afraid at very high spins, when it requires the car. severe regimes in Drag racing or track day the VVT were to fail. wonder if the long future, the VVT Cam or conversion ls3 would be the best option. which one has the lowest risk of engine failures?

Well VVT has a couple slightly different parts than a fixed cam (like the weird cam sprocket). Outside of that, I dont think one has any greater risk of failure over the other.

As someone above said, since you live in a foreign country with a probably limited selection of tuners and shops, go with whatever competent tuner you want, and ask what he/she is most comfortable with.

Rhino79 · 01-06-2015, 10:56 AM

I have spun my VVT setup to 7600 rpms during testing. There is really nothing to fail in the phaser. Its just pretty basic hydraulics.

Juice2SS · 01-06-2015, 11:48 AM

VVT has no issues with a large cam. You have no reasons to think you'd break anything. Plenty out there with it.

Jason 98 TA · 01-08-2015, 10:06 AM

We've never seen a failure & have made over 100hp gains with the Texas Speed VVT camshafts over the stock camshaft! How do you possibly beat 100hp+ for a cam swap.

If I had my way every LS3 would get VVT conversions! :P

Jason 98 TA · 01-08-2015, 10:08 AM

here is a Texas Speed VVT-3 rear wheel dyno sheet!

hammdo · 01-09-2015, 09:51 AM

I've stuck with VVT for mine -- I'm doing the ADM SC kit so that may be a first -- don't know yet -- but excited to find out

BTW, I have StainlessWorks Headers w HFC's and found out those need to be gutted or replaced,

How would you gut them or what is there to replace them with?

Thanks!

-Don

01-06-2015, 05:52 AM	#1
PFL Drives: Camaro SS Join Date: Jun 2013 Location: Eua Posts: 344	which actually more efficient to L99 "VVT Cam or conversion LS3" Hi guys I have many doubts about the durability of a VVT Cam. My serious question, what would be the change stronger, more durable to our L99 camaro, ls3 conversion with dod delete and custom Cam or VVT Cam dod delete and custom VVT Cam? know VVT Cam shows great results, some hp + compared to ls3. most want to know the safest for high speeds, I will not move from 6500rpm. between these two options the customizers know solides project.

01-06-2015, 09:34 AM	#5
62nalide Drives: 2013 SS Join Date: May 2013 Location: DFW Posts: 4,102	VVT FTW and would NEVER ever ever ever do an LS3 conversion on my setup __________________ https://frankensteined.net/ Martin@Frankensteined.net

01-06-2015, 05:59 AM	#2
Synner Drives: cars Join Date: May 2011 Location: Oversneeze Posts: 4,544	Are you hoping for a remote or local tune? In this case I would go with what your tuner is more comfortable with due to your location. The VVT cams have better low end gains with no sacrifice on top end so if possible I would go that route. I would remove the crap L99 lifters either way but it sounds like you already are with either option. There are no issues with VVT cam durability but less tuners have a lot of experience with them.

01-06-2015, 06:05 AM	#3
Tampa Tuning Account Suspended Drives: TAMPA TUNING FACEBOOK & INSTAGRAM Join Date: Oct 2010 Location: Tampa, Fl Posts: 3,044	what are your doubts about a VVT cam?

01-06-2015, 06:12 AM	#4
Southern Comfort No Tags/Habitual Violator Drives: 2012 SIM 2SS/RS & z71 Join Date: Sep 2011 Location: North Georgia Posts: 2,379 View My Garage	As efficiency goes I think VVT will work better for an auto setup. At least until the point the chosen cam moves out of the converter stall range.

01-06-2015, 10:56 AM	#8
Rhino79 Drives: 2010 Camaro SS L99/Auto Join Date: Jul 2011 Location: Cabot, AR Posts: 2,827 View My Garage	I have spun my VVT setup to 7600 rpms during testing. There is really nothing to fail in the phaser. Its just pretty basic hydraulics.

01-06-2015, 11:48 AM	#9
Juice2SS Drives: 2011 2SS Join Date: Jan 2013 Location: DFW, TX Posts: 931	VVT has no issues with a large cam. You have no reasons to think you'd break anything. Plenty out there with it.

01-08-2015, 10:06 AM	#10
Jason 98 TA Drives: Camaro Join Date: Apr 2009 Location: Texas Posts: 1,669	We've never seen a failure & have made over 100hp gains with the Texas Speed VVT camshafts over the stock camshaft! How do you possibly beat 100hp+ for a cam swap. If I had my way every LS3 would get VVT conversions! :P

01-08-2015, 10:08 AM	#11
Jason 98 TA Drives: Camaro Join Date: Apr 2009 Location: Texas Posts: 1,669	here is a Texas Speed VVT-3 rear wheel dyno sheet!

01-09-2015, 09:51 AM	#12
hammdo 'It's an experiment' Drives: [COTW 2/09/15] '11 GPI LSA SC Z/LE Join Date: May 2014 Location: Dallas TX Posts: 8,694 View My Garage	I've stuck with VVT for mine -- I'm doing the ADM SC kit so that may be a first -- don't know yet -- but excited to find out BTW, I have StainlessWorks Headers w HFC's and found out those need to be gutted or replaced, How would you gut them or what is there to replace them with? Thanks! -Don