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Mar 31, 2019 | 09:37 PM

LS3_Alex

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Need some insight

Currently having the dreaded belt issue on my a&a kit of shredding belts and destroying the idler pulley under the manual tensioner on bracket. I am running the 6 rib set up from supercharger to accessories on a V2SI supercharger with a 3.12 pulley and a stock balancer making 13psi in 6000+ DA. I just bought a YSI head unit that will be replacing my v2. I am reading up on flip drives and can’t seem to figure which flip drive to go with (seems like it’s a brand preference to me) as I want to keep the 6 rib on the YSI. I’ve read on the forums people using a flip drive keeping the stock 6 rib balancer and making over 800. I would think not spinning the YSI as fast with a 3.4 (around 46k RPM) as the v2 on a 3.12 (around 58k) would ease the strain on the belt. Any information would really help.

Apr 1, 2019 | 12:15 AM

JetstreamGS

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6-rib won't cut it with a YSi and I wouldn't run anything bigger than a 3" on it.

Apr 1, 2019 | 05:46 AM

Ant-Man

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No point in having a ysi if you're not going to use it, just get a v3 they'll make 800 but you'll likely need a flip drive anyways. I have the A&A 8rib running a 2.7/10% on my ysi.

Apr 1, 2019 | 08:05 AM

LS3_Alex

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Quote:

Originally Posted by JetstreamGS

6-rib won't cut it with a YSi and I wouldn't run anything bigger than a 3" on it.

i plan to run about 10-15 psi of boost

Apr 1, 2019 | 08:07 AM

LS3_Alex

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Quote:

Originally Posted by Ant-Man

No point in having a ysi if you're not going to use it, just get a v3 they'll make 800 but you'll likely need a flip drive anyways. I have the A&A 8rib running a 2.7/10% on my ysi.

how much psi and what rwhp are you at?
I was being lazy and didn’t want to change out the balancer in my garage honestly but the a&a flip drive looks promising will a 10 rib fit behind the steering rack? It looks really close to the stock balancer already

Apr 1, 2019 | 09:52 AM

JetstreamGS

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Quote:

Originally Posted by LS3_Alex

i plan to run about 10-15 psi of boost

A Ti trim seems more appropriate. Is your engine stock?

Apr 1, 2019 | 10:14 AM

Patriot Six

Drifting

Joined: Jun 2016

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From: Temecula, CA

Since you already have a YSI head unit, the A&A secondary drive with 8 rib will work just fine.

Apr 1, 2019 | 11:21 AM

Unreal

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From: Gilbert AZ

Fighting belt issues sucks, doing it over and over again sucks more. Do it once, do it right. Just go to a 10 rib A&A direct drive and be done.

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Apr 1, 2019 | 06:00 PM

winters97gt

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Joined: Dec 2007

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From: Somewhere in the Mid 9's TX

I would not put a big pulley on a YSI at all. Sale it and get a TI head unit for 800’s.

Apr 1, 2019 | 06:37 PM

#10

LS3_Alex

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Quote:

Originally Posted by JetstreamGS

A Ti trim seems more appropriate. Is your engine stock?

it is a stock ls3 (other than cam and valvetrain) with a built 6L80

Apr 1, 2019 | 06:38 PM

#11

LS3_Alex

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Quote:

Originally Posted by Unreal

Fighting belt issues sucks, doing it over and over again sucks more. Do it once, do it right. Just go to a 10 rib A&A direct drive and be done.

that is logical. Looking at the crank pulley to remove it is just intimidating to remove to me lol

Apr 1, 2019 | 06:39 PM

#12

LS3_Alex

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Quote:

Originally Posted by winters97gt

I would not put a big pulley on a YSI at all. Sale it and get a TI head unit for 800’s.

whta pulley would you put I’m shooting for 800-900 i think I’m high 700s at the moment

Apr 2, 2019 | 05:52 AM

#13

Ant-Man

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3.125 or smaller.. I'll have a spare 3.1 at the end of the month as I'm going 2.7

Apr 2, 2019 | 11:36 AM

#14

winters97gt

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Joined: Dec 2007

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From: Somewhere in the Mid 9's TX

ECS 1500(T trim), pump gas, Alky Cotrol kit on #3. Ported LS3 heads, my cam, 3.125 pulley with DP direct drive. No doubt it would have made 900 on corn but this was way back in the day.

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