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10 more than a LS9

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Old 12-16-2010, 10:09 AM
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Default 10 more than a LS9
HELLO, & Happy Holidays to everyone.

Results for my LS7 build going in a 64' Corvette roadster.

Rhyne Competition Engines did the work & assembly

Tuned by Mike Hornback of Straight Line Perf.

LS7 (.005 over)(428ci)

11.5 compression- diamond pistons
heads & fast 102 manifold ported by Charley Williams @ RPM Motors
Hyd Roller camshaft by EPS (230/242 @ .050)(in 635/ ex .641)(114lsa)(8 degree overlap)
NW 102mm throttle body
1 7/8 headers
(93 octane)
(nice smooth idle @ 900 rpm)(a little lope)
(all engine accessories installed)
(made a run to 7700, smooth valve control all the way)

(Results-flywheel)

http://www.youtube.com/watch?v=5j7_EzA1bgg

Horsepower:
648 @ 6200 rpm

Torque:
452 @ 2500 rpm
510 @ 3100
592 @ 5000

Jim
Last edited by jjtoma; 12-16-2010 at 12:01 PM.
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Old 12-16-2010, 12:03 PM
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Smile Part II
More:
Attached Thumbnails 10 more than a LS9-img_0607.jpg   10 more than a LS9-img_0608.jpg   10 more than a LS9-img_0611.jpg  
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Old 12-16-2010, 04:21 PM
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Excellent results for a mild cam on those cubes
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Old 12-16-2010, 05:42 PM
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very nice!
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Old 12-16-2010, 07:32 PM
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Torque curve woulld look nothing like an LS9 but those are some damn good numbers on a small cam (for the cubes). CONGRATS!
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Old 12-16-2010, 07:44 PM
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Dry or wet stump?
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Old 12-16-2010, 09:02 PM
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What heads did you use?
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Old 12-18-2010, 02:49 PM
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Smile wet sump
Originally Posted by Gordon0652
Dry or wet stump?
Wet sump LS3 oil pan with a Melling pump(#10296) w/ lower pressure spring.

Added additional bracket on pick up tube.

Reworked windage tray ( increased the louver openings)

Jim
Last edited by jjtoma; 12-18-2010 at 03:05 PM.
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Old 12-18-2010, 03:10 PM
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Smile
Picture of motor, displayed at the Bloomington Gold Show in June.

Throttle body changed to NW 102, power steering pump changed to reservoir type.
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Old 12-18-2010, 03:15 PM
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Smile more pics
More pics from show
Attached Thumbnails 10 more than a LS9-img_0446.jpg   10 more than a LS9-img_0448.jpg  
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