Borg 75/96/1.1 - is there an improved compressor wheel out there - Dodge Cummins Diesel Forum
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post #1 of 14 (permalink) Old 12-06-2019, 12:38 PM Thread Starter
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Borg 75/96/1.1 - is there an improved compressor wheel out there

I know the topic of billet wheels is very case by case but I’m wondering if any of them are worth a damn besides durability. SD has a 6 blade which would at least be a redesign too but does it actually flow more volume and spool faster? Blah blah. No idea.
Since I’ll be swapping out my 63 soon, I figured I may as well help my 75 too if possible while I’m in there.
Any thoughts or recommendations on this would be great


'06 3500 Laramie MegaCab 6 Spd 8" Long arm, Kings, 37" ATZ's, 5" Exhaust, CTS w/ EFI Live @ Silver Bullet Tuning, SD 2nd Gen Mani , 63/68/.91 75/96/1.10 compounds, DDP 120s, Manton Pushrods, SB DD3600, Hamilton 110s, Fuel Boss, Fleece Bypass, ARP 625s
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post #2 of 14 (permalink) Old 12-06-2019, 02:30 PM Thread Starter
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To add, from what I was reading that the 6 blade option is more of a top flow gain whereas the 11 blade is more mid range.
If this is true than an 11 blade sounds more appealing for fail driving and towing.
Is this accurate info?

'06 3500 Laramie MegaCab 6 Spd 8" Long arm, Kings, 37" ATZ's, 5" Exhaust, CTS w/ EFI Live @ Silver Bullet Tuning, SD 2nd Gen Mani , 63/68/.91 75/96/1.10 compounds, DDP 120s, Manton Pushrods, SB DD3600, Hamilton 110s, Fuel Boss, Fleece Bypass, ARP 625s
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post #3 of 14 (permalink) Old 12-06-2019, 05:13 PM
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I have read the same thing on 11 blades. Would be fun to try.
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post #4 of 14 (permalink) Old 12-06-2019, 06:17 PM Thread Starter
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Originally Posted by 56Cummins View Post
I have read the same thing on 11 blades. Would be fun to try.
I wonder the accuracy though. An 11 blade would seem to be heavier and maybe be a slower spool unless the added blades would generate more flow therefore more boost.. correct me if I’m wrong though.

It seems like a 6 blade that’s less mass/weight (depending on blade design) would spool quicker therefore the power would come on earlier..?

'06 3500 Laramie MegaCab 6 Spd 8" Long arm, Kings, 37" ATZ's, 5" Exhaust, CTS w/ EFI Live @ Silver Bullet Tuning, SD 2nd Gen Mani , 63/68/.91 75/96/1.10 compounds, DDP 120s, Manton Pushrods, SB DD3600, Hamilton 110s, Fuel Boss, Fleece Bypass, ARP 625s
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post #5 of 14 (permalink) Old 12-07-2019, 11:39 AM
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When I went from cast to billet 6 blade in my s362 I could tell the billet wheel spooled up a little slower but makes more power up top . Imo the billets shine in the top end

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post #6 of 14 (permalink) Old 12-07-2019, 05:27 PM Thread Starter
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Interesting. It could also just be the design of the wheel that made it slightly heavier. It seems like it’s hit and miss on weight and is it a copy of the cast version or a redesign.
Does anyone know who is making a good wheel these days. Either 6 or 11 blade. 11 preferably if the theory is that it’s more low-mid range focused.
I’d like to stay away from any eBay knock off as well.
Thanks

'06 3500 Laramie MegaCab 6 Spd 8" Long arm, Kings, 37" ATZ's, 5" Exhaust, CTS w/ EFI Live @ Silver Bullet Tuning, SD 2nd Gen Mani , 63/68/.91 75/96/1.10 compounds, DDP 120s, Manton Pushrods, SB DD3600, Hamilton 110s, Fuel Boss, Fleece Bypass, ARP 625s
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post #7 of 14 (permalink) Old 12-07-2019, 07:16 PM
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Good read, https://www.duramaxdiesels.com/forum...ad.php?t=64785

Here is an old quote from littljohnmotorsports:
"11 primary = won't move air till higher boost/ pressure ratios.

6+6 and 7+7 designs will move more air mass earlier in the boost/ pressure ratio curve."
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post #8 of 14 (permalink) Old 12-07-2019, 08:12 PM Thread Starter
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Originally Posted by 56Cummins View Post
Good read, https://www.duramaxdiesels.com/forum...ad.php?t=64785

Here is an old quote from littljohnmotorsports:
"11 primary = won't move air till higher boost/ pressure ratios.

6+6 and 7+7 designs will move more air mass earlier in the boost/ pressure ratio curve."
That’s a good read indeed. I wonder what would be preferred in a compound set up then matched with a 63. sounds like an 11 would still be lighter and quick spool but a 6 would hit a bit harder in the mid range and continue to pull hard up top. Also be louder.

'06 3500 Laramie MegaCab 6 Spd 8" Long arm, Kings, 37" ATZ's, 5" Exhaust, CTS w/ EFI Live @ Silver Bullet Tuning, SD 2nd Gen Mani , 63/68/.91 75/96/1.10 compounds, DDP 120s, Manton Pushrods, SB DD3600, Hamilton 110s, Fuel Boss, Fleece Bypass, ARP 625s
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post #9 of 14 (permalink) Old 12-07-2019, 10:55 PM
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My wheel is lighter and less blades than the factory wheel and still spools slower , they tried to talk me into upping it to a 66 claiming it would spool faster than the 62 but I call bs . I liked the idea of a billet wheel in a secondary since it’s gets compounded from the primary but if I had a good cast wheel I’d put it back in .

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post #10 of 14 (permalink) Old 12-08-2019, 12:40 AM Thread Starter
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What setup are you currently running for turbos and fuel.

'06 3500 Laramie MegaCab 6 Spd 8" Long arm, Kings, 37" ATZ's, 5" Exhaust, CTS w/ EFI Live @ Silver Bullet Tuning, SD 2nd Gen Mani , 63/68/.91 75/96/1.10 compounds, DDP 120s, Manton Pushrods, SB DD3600, Hamilton 110s, Fuel Boss, Fleece Bypass, ARP 625s
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post #11 of 14 (permalink) Old 12-08-2019, 08:48 AM
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Having a different number of blades gives the turbo the ability to perform in different ways. But itís actual performance depends on itís design and construction. I tend to use 6 & 7 blades for performance. Usually I run 7s, but might try an 11 in my 75 on my upcoming camper hauler conversion.

I would give Infinite and Forced Inductions a call, tell them how you want your system to perform, and get their input.

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post #12 of 14 (permalink) Old 12-08-2019, 11:34 AM Thread Starter
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Originally Posted by Drothgeb View Post
Having a different number of blades gives the turbo the ability to perform in different ways. But it’s actual performance depends on it’s design and construction. I tend to use 6 & 7 blades for performance. Usually I run 7s, but might try an 11 in my 75 on my upcoming camper hauler conversion.

I would give Infinite and Forced Inductions a call, tell them how you want your system to perform, and get their input.
Thanks man. I’ll give them a call to get their input too. That’s mainly why I’ve been curious if anyone has any personal experience with a similar change. You can buy just about any “billet wheel” but I’d like to aim for a replacement that will actually be a benefit ya know.
Honestly I don’t need max Hp gains either and top end power. It’s a Fun runner around town and tows my travel trailer, sometimes fairly heavy but shifting around 2500-3k max rpms usually. So would a 6 blade be effective in this range or an 11?
I’m aiming mostly aiming for quicker spool up and mid range efficiency. The added strength of a billet wheel on my primary is appealing too.
So far I’ve only been able to find the SD 6 & 7 Blade for sale.

'06 3500 Laramie MegaCab 6 Spd 8" Long arm, Kings, 37" ATZ's, 5" Exhaust, CTS w/ EFI Live @ Silver Bullet Tuning, SD 2nd Gen Mani , 63/68/.91 75/96/1.10 compounds, DDP 120s, Manton Pushrods, SB DD3600, Hamilton 110s, Fuel Boss, Fleece Bypass, ARP 625s
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