Precision 6766 vs 6768

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03-17-2014, 03:11 PM

turboedc2

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Precision 6766 vs 6768

Has anybody ever done a back to back test on these I see they are rated for the same hp? In the market for a turbo and I'm trying to decide.

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03-17-2014, 03:49 PM

SPOOLINmatt

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Re: Precision 6766 vs 6768

i'm not an "elite" but i went 158-160 with a 6766 consistently.

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03-17-2014, 04:19 PM

Turbo-LS

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Re: Precision 6766 vs 6768

Matt what that maxing out the turbo? I'm running 157 now on 6266 and I'm not going to uograde to a 6766 if I'm only going to gain 2-3mph.

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03-17-2014, 04:26 PM

turboedc2

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Re: Precision 6766 vs 6768

Good info...Just curious which one is better same Hp diff price n the 6766 is a newer turbo aswell surprised no one did a test on both

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03-17-2014, 04:35 PM

SPOOLINmatt

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Re: Precision 6766 vs 6768

it wasn't maxed, it was stock head too.

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03-18-2014, 03:55 AM

turboedc2

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Re: Precision 6766 vs 6768

What size housing when you were trapping 160?

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03-18-2014, 04:19 AM

SPOOLINmatt

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1.32

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03-19-2014, 03:36 PM

turboedc2

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Re: Precision 6766 vs 6768

Anybody else? What's the fastest anyone has gone on a 6766?

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03-19-2014, 04:53 PM

EGJDM

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Re: Precision 6766 vs 6768

The pfc guys have a 6765 and they have gone 9.19@160+

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05-05-2014, 06:48 PM

#10

lugnuts

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Re: Precision 6766 vs 6768

67/66 1.32 divided, full-race top mount, 9.041@162.35

https://www.youtube.com/watch?v=jBup...ature=youtu.be

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05-05-2014, 08:17 PM

#11

neonkid

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Quote:

Originally Posted by lugnuts

67/66 1.32 divided, full-race top mount, 9.041@162.35 Video Link: http://youtu.be/jBup3vtlGQ8 https://www.youtube.com/watch?v=jBup...ature=youtu.be

whats the setup on that car if you dont mind me asking? I didnt get to see that car run this weekend im upset i didnt lol.

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05-05-2014, 10:11 PM

#12

lugnuts

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Re: Precision 6766 vs 6768

81.5mm x 86.4mm 10-1 B-Series
Endyn Head, Ferrea Valves, Skunk2 Pro 1's
Edelbrock Victor X Intake
Full-Race Top Mount Manifold
PTE 67/66 1.32
Garrett 24x12x4.5 Core IC
8x ID1000cc Injectors
2x Bosch 044 Pumps
VP C85 and sometimes Pump E85

Lugtronic VEMS ECU, Wiring Harness, Datalogging, Boost Control, Ignition, Tuning

K Series COP
T1 Trigger
G-Force Dogbox
Exedy Twin Disk

Driver: Reed Chapman
Shop: TRC Performance (Pittsburgh, PA area)
Thanks to PRL Motorsports for the fab work, and P&R for the Machine work

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05-05-2014, 10:19 PM

#13

neonkid

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Quote:

Originally Posted by lugnuts

81.5mm x 86.4mm 10-1 B-Series Endyn Head, Ferrea Valves, Skunk2 Pro 1's Edelbrock Victor X Intake Full-Race Top Mount Manifold PTE 67/66 1.32 Garrett 24x12x4.5 Core IC 8x ID1000cc Injectors 2x Bosch 044 Pumps VP C85 and sometimes Pump E85 Lugtronic VEMS ECU, Wiring Harness, Datalogging, Boost Control, Ignition, Tuning K Series COP T1 Trigger G-Force Dogbox Exedy Twin Disk Driver: Reed Chapman Shop: TRC Performance (Pittsburgh, PA area) Thanks to PRL Motorsports for the fab work, and P&R for the Machine work

simple setup working great! Id love to get a mid 9 out of my 6766.

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05-06-2014, 05:08 AM

#14

Turbo-LS

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Re: Precision 6766 vs 6768

You shouldn't have that problem. I've done 9.74@156 on my 6266 2550lb integra

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05-06-2014, 07:05 AM

#15

fmfkid250

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Re: Precision 6766 vs 6768

Quote:

Originally Posted by lugnuts

Thats gotta be a 6766 record! Reed can drive the **** outta that thing!

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05-06-2014, 08:57 AM

#16

gringotegra

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Re: Precision 6766 vs 6768

6466

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05-06-2014, 09:03 AM

#17

1lowek2007

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Re: Precision 6766 vs 6768

After seeing the HP and especially the TQ from this car, the 6466 has really impressed me bigtime.

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05-06-2014, 10:51 AM

#18

Turbo-LS

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Re: Precision 6766 vs 6768

6466 looks like it make great power. Wouldnt the billet 6766 make more though or the 6768.

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05-06-2014, 12:18 PM

#19

1lowek2007

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Re: Precision 6766 vs 6768

Ive seen the 6766 make upwards of 980+ on a .96 housing, I don't see the 6466 doing that. But I also haven't seen 700+ft lbs of tq from the 6766 either. Not saying people out there haven't done it but I haven't seen it yet.

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05-06-2014, 03:25 PM

#20

turboedc2

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Re: Precision 6766 vs 6768

Def a record fastest I've seen on 6766

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05-06-2014, 04:33 PM

#21

91TurboGSRCRX

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Re: Precision 6766 vs 6768

9.6@156 6766 91ar integra 2470lbs stock tranny

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05-06-2014, 04:52 PM

#22

ls_on_boost

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Re: Precision 6766 vs 6768

how are these turbos lasting i was thinking of changing my 372s for a 72mm but i heard unless there ball bearing they dont last

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05-07-2014, 05:14 AM

#23

jdm_ef9

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Re: Precision 6766 vs 6768

I am running the 6766 in my upcoming SFWD EM1, they are one bada$$ turbo... we will see what she got!

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05-07-2014, 05:18 AM

#24

meane30

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Re: Precision 6766 vs 6768

Both are good turbos. We run the 6765 and have gone 9.1 @ 165mph in Vegas on a stock port head. And have trapped 160 multiple times in Colorado with 8k ft DA. Probably could have ran faster and quicker but drivetrain problems have prevented us from turning it up even more.
If you get a 6766 make sure it's ball bearing. We've had our 6765 since 2011 and never had any problems with the turbo dying.