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05-19-2023, 11:14 PM
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Administrator
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Join Date: Jul 2004
Location: Wilton, CA.
Posts: 13,282
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Thanked 2,118 Times in 973 Posts
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The Following User Says Thank You to camcojb For This Useful Post:
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05-21-2023, 06:42 AM
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Senior Member
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Join Date: Jul 2014
Posts: 320
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Thanked 263 Times in 102 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, 08:03 PM
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Senior Member
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Join Date: Jul 2014
Posts: 320
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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, 12:54 PM
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Senior Member
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Join Date: Jul 2014
Posts: 320
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Thanked 263 Times in 102 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, 01:01 PM
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Senior Member
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Join Date: Jul 2014
Posts: 320
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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, 08:23 PM
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Senior Member
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Join Date: Jul 2014
Posts: 320
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Thanked 263 Times in 102 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, 04:34 PM
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Senior Member
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Join Date: Jul 2014
Posts: 320
Thanks: 246
Thanked 263 Times in 102 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, 04:43 PM
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Senior Member
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Join Date: Jul 2014
Posts: 320
Thanks: 246
Thanked 263 Times in 102 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, 05:39 PM
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Administrator
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Join Date: Jul 2004
Location: Wilton, CA.
Posts: 13,282
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Thanked 2,118 Times in 973 Posts
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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, 07:52 PM
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Lateral-g Supporting Member
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Join Date: Jun 2005
Posts: 8,406
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Thanked 1,961 Times in 1,060 Posts
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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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