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[Z06] Katech Street Attack 500 with Torquer cam - 640hp/671ft-lbs NA!

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Old 05-03-2012, 09:41 AM
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Katech_Zach
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C7 of Year Finalist (track prepared) 2019

Default Katech Street Attack 500 with Torquer cam - 640hp/671ft-lbs NA!
Fresh off the dyno is this Street Attack 500 engine. A Torquer LS7 110 camshaft was chosen to keep it very drivable. It's camshaft-limited in power, but torque is through the roof at 671 ft-lbs.

Street Attack 500
RHS block with piston squirters, main and head studs
Forged crank/rods/pistons
Torquer LS7 110 camshaft
WCCH-ported heads with bronze guides
Ti/Mo intake valves/LS7 exhaust valves
FAST LSXR intake with NW102mm TB
ARE Stage 3 with Katech red pump
Halltech MF103 intake

Dyno graph:


Dyno video:


Prepping to go back in the car:
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Old 05-03-2012, 10:24 AM
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JDIllon
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Very nice combination. I really like the torque curve! JD
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Old 05-03-2012, 10:27 AM
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WOW! Awesome torque on that monster!

Whats the compression ratio?
E-85 I take it?

Great job!
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Old 05-03-2012, 10:50 AM
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Katech_Zach
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Originally Posted by Crash_Z06
WOW! Awesome torque on that monster!

Whats the compression ratio?
E-85 I take it?

Great job!
11:1, not E85
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Old 05-03-2012, 11:00 AM
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FNBADAZ06
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Originally Posted by Katech_Jason
11:1, not E85
Diesel ?????
That torque curve is rediculous
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Old 05-03-2012, 11:03 AM
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ConfusedGarage
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Me likey the torque!
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Old 05-03-2012, 11:04 AM
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Katech_Zach
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Originally Posted by FNBADAZ06
Diesel ?????
That torque curve is rediculous
Good one.
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Old 05-03-2012, 11:06 AM
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SHovV
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I take it this is a 500ci engine? What are the bore and stroke? Nice power curve. Is this goin in a track car?
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Old 05-03-2012, 11:22 AM
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Katech_Zach
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Originally Posted by SHovV
I take it this is a 500ci engine? What are the bore and stroke? Nice power curve. Is this goin in a track car?
500ci - 4.165x4.600"

Yes, a track car that still sees some street. Registered outside of the USA.
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Old 05-03-2012, 11:39 AM
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Is this RHS's talldeck block? And it is going in a c6z correct?
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Old 05-03-2012, 11:41 AM
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Originally Posted by SHovV
Is this RHS's talldeck block? And it is going in a c6z correct?
Yes to both questions.
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Old 05-03-2012, 12:17 PM
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Originally Posted by Katech_Jason
Yes to both questions.
Kudos sir!

And lol at the Diesel comment
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Old 05-03-2012, 12:18 PM
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25K USD +, I'm guessing ?
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Old 05-03-2012, 12:47 PM
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Originally Posted by FNBADAZ06
25K USD +, I'm guessing ?
Emphasis on the +
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Old 05-03-2012, 01:12 PM
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Originally Posted by Katech_Jason
Emphasis on the +
Figured so.
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Old 05-03-2012, 01:27 PM
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Monster.
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Old 05-03-2012, 07:48 PM
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Originally Posted by Katech_Jason
500ci - 4.165x4.600"

Yes, a track car that still sees some street. Registered outside of the USA.
501.38198 cubic inches. That is soooo bad ***!
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To Katech Street Attack 500 with Torquer cam - 640hp/671ft-lbs NA!

Old 05-03-2012, 09:07 PM
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Painrace
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SWEET! Torque wins races!

JIm
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Old 05-03-2012, 09:34 PM
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Originally Posted by FNBADAZ06
Diesel ?????
That torque curve is rediculous
That's what a long arm will do
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Old 05-03-2012, 09:36 PM
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Originally Posted by FNBADAZ06
25K USD +, I'm guessing ?
Yea rite
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