Journal V Ball bearing - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

TheFlyingBananaSS · 02-28-2020, 03:32 PM

What's the deal with so many people avoiding Journal. Do ball really spool up that much faster? Are there other concerns I'm missing? Cause if that's the only issue, unless your professional racing for a living, it seems like a minor issue.

AGP Turbo · 02-28-2020, 04:20 PM

Really depends. Ballbearing turbos do spool up quicker. But Depending on how big your engine is in relation to your turbo, it might not be noticable. Like a 376 w/ (2) 5457 JB turbos it's not an issue. But you go up to a pair of 6565 turbos and you for sure want ballbearing on a 376. Also a major factor is transmission. An automatic car with a stall will never notice lag because it slips past those RPM right up to where the turbos are spooled up. Where a manual transmission has to re-spool big turbos every time you shift, so ballbearings and a big CID engine are best. It's just a big balancing act depending on your equipment.

dreksnot · 02-28-2020, 05:48 PM

Quote:

Originally Posted by AGP Turbo

Really depends. Ballbearing turbos do spool up quicker. But Depending on how big your engine is in relation to your turbo, it might not be noticable. Like a 376 w/ (2) 5457 JB turbos it's not an issue. But you go up to a pair of 6565 turbos and you for sure want ballbearing on a 376. Also a major factor is transmission. An automatic car with a stall will never notice lag because it slips past those RPM right up to where the turbos are spooled up. Where a manual transmission has to re-spool big turbos every time you shift, so ballbearings and a big CID engine are best. It's just a big balancing act depending on your equipment.

Unless you add the No-Lift Shift feature (like with a n2mb WOT box). Then, you'll retain boost through the shifts, or if you have a ZL1 (comes with the feature).

eLeSthree · 02-28-2020, 10:33 PM

Quote:

Originally Posted by dreksnot

Unless you add the No-Lift Shift feature (like with a n2mb WOT box). Then, you'll retain boost through the shifts, or if you have a ZL1 (comes with the feature).

Is there a mechanical difference in the ZL1 that allows the No lift shift, or simply the tune?

I've compared tunes several times, but I just cant figure it out.

dreksnot · 02-29-2020, 06:25 AM

Quote:

Originally Posted by eLeSthree

Is there a mechanical difference in the ZL1 that allows the No lift shift, or simply the tune?

I've compared tunes several times, but I just cant figure it out.

The NLS parameters are not accessible in the tune. However, some other related settings can be modified in the tune to tweak the NLS like delays and such. But, there is no specific NLS section in the tune.

02-28-2020, 03:32 PM	#1
TheFlyingBananaSS Evil Genius of Chevrolet Drives: 2017 Z06, 2019 XTS, 2013 SS Join Date: Feb 2017 Location: New York Posts: 3,260	Journal V Ball bearing What's the deal with so many people avoiding Journal. Do ball really spool up that much faster? Are there other concerns I'm missing? Cause if that's the only issue, unless your professional racing for a living, it seems like a minor issue. __________________ GPI SS2 VVT cam, ECS Novi 1500 supercharger, Corsa Extreme, Detroit Speed and BMR suspension, Circle D triple disc, Melling oil pump, LS2 chain tensioner, ATI 10% UD, DSX E85 kit, High Energy coils, BTR springs, LS2 Lifter trays, Titanium retainers, hardened push rods, FIC 1000 injectors, ZL1 pump, Mighty Mouse catch can, AEM gauges, Tial BOV, Richmond 3.91 gears, Custom gauge bezels, Speed Engineering headers, Stainless Works HF cats, DSX Aux pump, 710rwhp on E85.

02-28-2020, 04:20 PM	#2
AGP Turbo Drives: All things Turbocharged Join Date: Dec 2010 Location: AZ Posts: 1,199	Really depends. Ballbearing turbos do spool up quicker. But Depending on how big your engine is in relation to your turbo, it might not be noticable. Like a 376 w/ (2) 5457 JB turbos it's not an issue. But you go up to a pair of 6565 turbos and you for sure want ballbearing on a 376. Also a major factor is transmission. An automatic car with a stall will never notice lag because it slips past those RPM right up to where the turbos are spooled up. Where a manual transmission has to re-spool big turbos every time you shift, so ballbearings and a big CID engine are best. It's just a big balancing act depending on your equipment.