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05-20-2023, 01:14 AM
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Administrator
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Join Date: Jul 2004
Location: Wilton, CA.
Posts: 12,586
Thanks: 4,325
Thanked 1,457 Times in 630 Posts
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The Following User Says Thank You to camcojb For This Useful Post:
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05-21-2023, 08:42 AM
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Senior Member
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Join Date: Jul 2014
Posts: 299
Thanks: 220
Thanked 239 Times in 95 Posts
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Engine
LS7 dry sump came from a donor C6 Z06 with 4K miles, a service manager at a Chevy dealer acquired the engine for a build that wasn't happening, so I purchased it from him
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The Following 4 Users Say Thank You to colorado80439 For This Useful Post:
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05-22-2023, 10:03 PM
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Senior Member
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Join Date: Jul 2014
Posts: 299
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Thanked 239 Times in 95 Posts
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I liked what Katech has to offer for the LS7, plenty of R & D verifing their cam and valve spring combinations as well as diagnose valve train issues using a spintron. So I pulled the heads and sent them to Katech for their "LS7 fix" including porting, bronze valve guides, Ti/Mo intake valves and new LS7 exhaust valves, and PSI springs set for their Torquer cam among other items
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The Following 2 Users Say Thank You to colorado80439 For This Useful Post:
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06-04-2023, 02:54 PM
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Senior Member
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Join Date: Jul 2014
Posts: 299
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Thanked 239 Times in 95 Posts
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The Block was bored .005 and honed, bearing alignments checked etc.
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The Following 3 Users Say Thank You to colorado80439 For This Useful Post:
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06-04-2023, 03:01 PM
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Senior Member
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Join Date: Jul 2014
Posts: 299
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Thanked 239 Times in 95 Posts
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We used a set of Mahle power pack pistons, balanced the rotating assembly, replaced the lifters, all bearings and bolts
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The Following 4 Users Say Thank You to colorado80439 For This Useful Post:
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06-04-2023, 10:23 PM
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Senior Member
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Join Date: Jul 2014
Posts: 299
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Thanked 239 Times in 95 Posts
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Hand filed the rings, HD timing chain, new oil pump. The bottom end is stock GM except the Mahle pistons.
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The Following 4 Users Say Thank You to colorado80439 For This Useful Post:
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06-19-2023, 06:34 PM
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Senior Member
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Join Date: Jul 2014
Posts: 299
Thanks: 220
Thanked 239 Times in 95 Posts
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Bump Stick
Based on Katech's torquer cams I had Comp cams grind a cam with 114 LSA. I felt the 110 torquer was a little too aggressive and Katech's 116 LSA not enough
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The Following 3 Users Say Thank You to colorado80439 For This Useful Post:
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06-25-2023, 06:43 PM
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Senior Member
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Join Date: Jul 2014
Posts: 299
Thanks: 220
Thanked 239 Times in 95 Posts
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Head Assembly
Final head assembly with installation of a CHE trunnion set
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The Following 2 Users Say Thank You to colorado80439 For This Useful Post:
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06-25-2023, 07:39 PM
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Administrator
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Join Date: Jul 2004
Location: Wilton, CA.
Posts: 12,586
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Nice parts. 
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The Following 2 Users Say Thank You to camcojb For This Useful Post:
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06-25-2023, 09:52 PM
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Lateral-g Supporting Member
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Join Date: Jun 2005
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That is going to be a bad ass motor
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The Following User Says Thank You to syborg tt For This Useful Post:
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Brian Hobaugh SCCA National Tour June 2014
First Hemi 'Cuda Convertible Ever Built
Short clips: Goodguys Pleasanton autocross and pit videos
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