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SneakySS · 02-02-2017, 08:57 AM

As far as i can tell, adding any decent power takes a gazillion $

2012LS3VERT · 02-02-2017, 09:03 AM

The blower and IAT sensor get heat soaked and it references a different portion of the startup timing table. Have to play with it to get it right without affecting cold startup.

2012LS3VERT · 02-02-2017, 09:06 AM

Quote:

Originally Posted by SneakySS

As far as i can tell, adding any decent power takes a gazillion $

It all depends, i.e. if you have enough fuel, and dont have rear overdrive cogs, adding boost is easy
having to do it with the front pulley adds cost because smaller than a 3.4 or so with a 6 rib is a losing battle.

SneakySS · 02-02-2017, 09:27 AM

I have no idea what u just said haha

JERRYwss6 · 02-02-2017, 12:45 PM

Quote:

Originally Posted by 2012LS3VERT

That is where I would start, with the 3.4. Any smaller, I would look at going OD cog on the rear before even going 102 on the TB.
We offer the lower manifolds CNC ported on a core exchange basis to save money, like we do with the snouts. We have 3 cores on hand, but are a little behind on porting them, new machines and software require reprogramming.

How much does a ported lower run? I know I don't need any of these mods yet but I want the blower to be as efficient as possible. When everything is available I will be purchasing a lower and inlet from you. Btw how much is ported stock 102 inlet

fldrummer · 02-28-2017, 10:54 AM

I thought something was off with my tune, so I got a 2nd opinion. 'Turns out the tune is fine, but even with a 3.4" griptec pulley and super-tensioner (already have OD rears, BTW), I get massive and instant belt slip (~4 psi drop) above 6K RPMs. They recommended going to a 15% overdrive balancer and stock 3.8" front pulley, saying that would put me at about the same boost without the slip. I haven't been able to find a 15% OD balancer for my setup though. Thoughts?

2012LS3VERT · 02-28-2017, 11:00 AM

Much larger than the IW or ATI balancer would not leave enough room between the water pump pulley and balancer for the belt. That is likely why the IW 10% is actually 8%. Also why we generally run OD cogs and 10 ribs whenever we can.

fldrummer · 03-01-2017, 07:47 AM

Quote:

Originally Posted by 2012LS3VERT

Much larger than the IW or ATI balancer would not leave enough room between the water pump pulley and balancer for the belt. That is likely why the IW 10% is actually 8%. Also why we generally run OD cogs and 10 ribs whenever we can.

Thanks. The 2nd tuner metioned something like that. I suppose that could be why his partner never got back to me about finding a larger one, even though he swore one existed. I was really hoping to avoid the extra cost of an 8 or 10-rib setup (let alone a twin pump fuel system), but it looks like I don't have much of a choice (?). Which setup do you run, BTW?

2012LS3VERT · 03-01-2017, 06:37 PM

You can get an OD 8 rib and try to run that with 6 ribs. I have been running 10 ribs since we developed our kit. The other issue with 6 ribs other than belt wrap with a small pulley is belt stretch. The 6 rib belts stretch under load between the balancer and blower pulley, so it lifts up over the blower pulley and lets too much air underneath so it slips.

2010SSRSM6 · 03-02-2017, 02:23 PM

Quote:

Originally Posted by fldrummer

Thanks. The 2nd tuner metioned something like that. I suppose that could be why his partner never got back to me about finding a larger one, even though he swore one existed. I was really hoping to avoid the extra cost of an 8 or 10-rib setup (let alone a twin pump fuel system), but it looks like I don't have much of a choice (?). Which setup do you run, BTW?

LeftCoast32 has a bracket that adds an extra pulley to increase belt wrap. I want to say it was $300, but I was able to spin the blower up to 19-20 #'s of boost.

2012LS3VERT · 03-02-2017, 03:52 PM

Post #51 shows the alternate belt routing that helps a lot with the belt wrap. That is the prototype I made to move the idler without replacing the whole bearing support bracket. In that picture, that is an 8 rib belt and I got 16 psi on my 416 with a 4* overlap cam. We are doing the same thing with our whipple 10 rib set.

2010SSRSM6 · 03-02-2017, 04:43 PM

Quote:

Originally Posted by 2012LS3VERT

Post #51 shows the alternate belt routing that helps a lot with the belt wrap. That is the prototype I made to move the idler without replacing the whole bearing support bracket. In that picture, that is an 8 rib belt and I got 16 psi on my 416 with a 4* overlap cam. We are doing the same thing with our whipple 10 rib set.

What's going on with your snout? Any updates?

2012LS3VERT · 03-02-2017, 05:18 PM

Still ironing out the details, but looks like we will be able to use a core snout, then machine them to accept our ramp securely. This should reduce cost significantly, the design is done, just have to get some mill time freed up to make a couple test pieces, I already have a few core snouts. Then dyno testing.

fleebag · 03-02-2017, 07:32 PM

Quote:

Originally Posted by 2012LS3VERT

Still ironing out the details, but looks like we will be able to use a core snout, then machine them to accept our ramp securely. This should reduce cost significantly, the design is done, just have to get some mill time freed up to make a couple test pieces, I already have a few core snouts. Then dyno testing.

02-02-2017, 09:27 AM	#88
SneakySS OEM? Whats that? Drives: 2014 Camaro SS Black Widow Join Date: Sep 2016 Location: New Orleans Posts: 83	I have no idea what u just said haha __________________ 2014 Southern Comfort Black Widow SS LS3 Magnuson Supercharger, ceramic coated ARH headers w/cat deletes, BTR blower cam, Mahle forged pistons, AEM Methanol injection, JRE 8 rib Super tensioner, Innovators West 8 rib serpentine pulley system, Melling high flow oil pump, Lingenfelter high flow fuel pump, McCleod RXT ceramic coated Twin disk clutch, Hooker BlackHeart exhaust. Escort 360 radar detector & dashcam. Rockford Fosgate 1000w prime amp, 2X12” Rockford P3D2’s Build and mods done by R&D Motorsports in Baton Rouge Tune/Dyno done by ,,Engine Power Systems in Baton Rouge

02-28-2017, 10:54 AM	#90
fldrummer "Black Ace" Drives: Supercharged 2010 SS, 2016 Golf R Join Date: Aug 2008 Location: Ft. Lauderdale, FL Posts: 1,352	I thought something was off with my tune, so I got a 2nd opinion. 'Turns out the tune is fine, but even with a 3.4" griptec pulley and super-tensioner (already have OD rears, BTW), I get massive and instant belt slip (~4 psi drop) above 6K RPMs. They recommended going to a 15% overdrive balancer and stock 3.8" front pulley, saying that would put me at about the same boost without the slip. I haven't been able to find a 15% OD balancer for my setup though. Thoughts? __________________ 2010 2SS/RS M6 "Black Ace" - Delivered 6/4/2009 Mods: Forged 416 LS3, Maggie TVS 2300 SC (~11 psi), custom cam (232/247, .630/.630, 118 LSA), 90-lb. injectors, ZL1 fuel pump & ADM controller, Alky Control meth kit, Monster LT1-SC twin-disk clutch, ZL1 drivetrain conversion w/ DSS 1000-HP axles & 1-pc. driveshaft, CAI Inc. intake w/ ADM scoop, XS Power full exhaust (1 7/8" LT headers with 3" off-road pipes), VMAX CNC-ported TB, LSR adjustable sway bars, LPE rear end-links, BMR 1" drop, BMR polyurethane bushings; UMI trailing arms & toe rods. Built & tuned by Kraftworks. 755 rwhp/708 rwtq

02-02-2017, 08:57 AM	#85
SneakySS OEM? Whats that? Drives: 2014 Camaro SS Black Widow Join Date: Sep 2016 Location: New Orleans Posts: 83	As far as i can tell, adding any decent power takes a gazillion $

02-02-2017, 09:03 AM	#86
2012LS3VERT Drives: 2012 2SSRS Vert, Black w/M6 Join Date: Jan 2013 Location: Montgomery, AL Posts: 1,265	The blower and IAT sensor get heat soaked and it references a different portion of the startup timing table. Have to play with it to get it right without affecting cold startup.

02-28-2017, 11:00 AM	#91
2012LS3VERT Drives: 2012 2SSRS Vert, Black w/M6 Join Date: Jan 2013 Location: Montgomery, AL Posts: 1,265	Much larger than the IW or ATI balancer would not leave enough room between the water pump pulley and balancer for the belt. That is likely why the IW 10% is actually 8%. Also why we generally run OD cogs and 10 ribs whenever we can.

03-01-2017, 06:37 PM	#93
2012LS3VERT Drives: 2012 2SSRS Vert, Black w/M6 Join Date: Jan 2013 Location: Montgomery, AL Posts: 1,265	You can get an OD 8 rib and try to run that with 6 ribs. I have been running 10 ribs since we developed our kit. The other issue with 6 ribs other than belt wrap with a small pulley is belt stretch. The 6 rib belts stretch under load between the balancer and blower pulley, so it lifts up over the blower pulley and lets too much air underneath so it slips.

03-02-2017, 03:52 PM	#95
2012LS3VERT Drives: 2012 2SSRS Vert, Black w/M6 Join Date: Jan 2013 Location: Montgomery, AL Posts: 1,265	Post #51 shows the alternate belt routing that helps a lot with the belt wrap. That is the prototype I made to move the idler without replacing the whole bearing support bracket. In that picture, that is an 8 rib belt and I got 16 psi on my 416 with a 4* overlap cam. We are doing the same thing with our whipple 10 rib set.

03-02-2017, 05:18 PM	#97
2012LS3VERT Drives: 2012 2SSRS Vert, Black w/M6 Join Date: Jan 2013 Location: Montgomery, AL Posts: 1,265	Still ironing out the details, but looks like we will be able to use a core snout, then machine them to accept our ramp securely. This should reduce cost significantly, the design is done, just have to get some mill time freed up to make a couple test pieces, I already have a few core snouts. Then dyno testing.