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Old 10-06-2012, 10:35 AM   #1
The_Bishop
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It's not porting...

It's... weight reduction. I'm lightening my non-rotating assembly.

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Old 10-06-2012, 11:39 AM   #2
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Knife edge dat biatch!

Looks good, I think
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repo bigals turd gen and part it out to a loving home
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Old 10-06-2012, 12:05 PM   #3
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Not done with intakes. Exhaust all finished, now working intakes.

Grinding around a corner is a bitch.
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1998 Z-28 - SLP lid - Ported TB - LS6 Intake - Dynatech SS headers/Catted Y - Magnaflow Exh - 3.42 - Yank SS3600 - UMI weld-in subframe connectors, Adj LCA, Adj PHB, Q1A TA - Bolt-in Relocation Brackets - Strano springs - Koni shocks - 17" C6Z06 wheels - 326HP/335ft-lbs - 12.35 @ 110.41

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Old 10-07-2012, 08:26 AM   #4
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You're not done till you hit a coolant passage!
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Old 10-07-2012, 08:33 AM   #5
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Coolant passage? I thought that was extra port volume?
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1998 Z-28 - SLP lid - Ported TB - LS6 Intake - Dynatech SS headers/Catted Y - Magnaflow Exh - 3.42 - Yank SS3600 - UMI weld-in subframe connectors, Adj LCA, Adj PHB, Q1A TA - Bolt-in Relocation Brackets - Strano springs - Koni shocks - 17" C6Z06 wheels - 326HP/335ft-lbs - 12.35 @ 110.41

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Old 10-07-2012, 08:43 AM   #6
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Doing a valve job and decking heads ect?
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repo bigals turd gen and part it out to a loving home
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Old 10-07-2012, 08:50 AM   #7
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Yes, sir. Full valve job and resurfacing. Already have center bolt valve covers, truck coils with bracket and harness, new rockers and 42 pound injectors. Racetronix fuel pump and harness ready to install, also.
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Old 10-07-2012, 08:54 AM   #8
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Cams gun be cammin?
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repo bigals turd gen and part it out to a loving home
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Old 10-07-2012, 08:57 AM   #9
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Yes, it is. Going stealth with it, though. No lumpy idle.
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1998 Z-28 - SLP lid - Ported TB - LS6 Intake - Dynatech SS headers/Catted Y - Magnaflow Exh - 3.42 - Yank SS3600 - UMI weld-in subframe connectors, Adj LCA, Adj PHB, Q1A TA - Bolt-in Relocation Brackets - Strano springs - Koni shocks - 17" C6Z06 wheels - 326HP/335ft-lbs - 12.35 @ 110.41

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Old 10-07-2012, 09:01 AM   #10
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Cool cool, any specs?
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repo bigals turd gen and part it out to a loving home
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Old 10-07-2012, 09:01 AM   #11
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Lumpy idles are for FRIENDS!
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Old 10-07-2012, 09:16 AM   #12
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Since I'm looking for performance, durability, fuel economy and cheap, I decided to go with an 04- Z06 cam. With all the bolt-ons, the port work, and a good tune I should be right around 390ish at the tire. I really don't want to wind this thing to the moon, either, as I don't want to dick with the rod bolts.
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Old 10-07-2012, 10:57 AM   #13
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Wouldn't want to break the piston to valve clearance
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Old 10-07-2012, 11:02 AM   #14
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Absolutely not! Who knows what mayhem that would unleash.
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1998 Z-28 - SLP lid - Ported TB - LS6 Intake - Dynatech SS headers/Catted Y - Magnaflow Exh - 3.42 - Yank SS3600 - UMI weld-in subframe connectors, Adj LCA, Adj PHB, Q1A TA - Bolt-in Relocation Brackets - Strano springs - Koni shocks - 17" C6Z06 wheels - 326HP/335ft-lbs - 12.35 @ 110.41

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Old 10-08-2012, 09:24 AM   #15
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Quote:
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Wouldn't want to break the piston to valve clearance
When the clearance hits less than .088 of an inch you're gonna see some serious ****.
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Old 10-08-2012, 10:45 AM   #16
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Quote:
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When the clearance hits less than .088 of an inch you're gonna see some serious ****.
Quoted. That was great.
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Old 10-13-2012, 06:21 PM   #17
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Finally done.

Would I do it again? Here's a quote that covers it:
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Originally Posted by LTb1ow View Post
Le shudder. Plz no.
Next set of ported heads I deal with will involve a CNC machine and a start button. If I tried doing this again my hands, which feel as if I have been beating on them with hammers after the final 5+ hour stint with a grinder in them, would rebel, drop off my arms, shoot me the bird, and leave. I would not blame them.





They still need to washed out and blown dry, then off for the valve job.

I need to quick screwing around and decide what I'm doing for a cam. I was leaning towards the LS6 one, as I have the springs I need to do that. On the other hand, I'm thinking I might come to regret that decision, and I really don't want to do this twice. The LS6 cam has no real gains until the upper RPM range, while something like a Texas Speed 224r on a 114 will gain across the board.

Advice plz?
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1998 Z-28 - SLP lid - Ported TB - LS6 Intake - Dynatech SS headers/Catted Y - Magnaflow Exh - 3.42 - Yank SS3600 - UMI weld-in subframe connectors, Adj LCA, Adj PHB, Q1A TA - Bolt-in Relocation Brackets - Strano springs - Koni shocks - 17" C6Z06 wheels - 326HP/335ft-lbs - 12.35 @ 110.41

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Old 10-13-2012, 10:17 PM   #18
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An LS1 with a 224/224 114? Will it make you feel silly if thats the size of my LT1 cam?

I would go with the cam that gets you more mid range power, seems like you have a daily driver vs racecar shenz, so don't overcam it and hate it.
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repo bigals turd gen and part it out to a loving home
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Old 10-13-2012, 10:26 PM   #19
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Yeah, I'm looking to avoid the whole overcammed issue. I should probably put my ls6 springs up for sale...
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I can appreciate a dream but this person needed some real friends.
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Old 10-14-2012, 08:20 PM   #20
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Ok, decision made. LS6 cam is out, bigger cam is in.
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Old 10-14-2012, 08:46 PM   #21
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LS6 cam is something like a 204/218.

Why not have the heads flowed and then a custom cam ground to fit your needs?
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Old 10-14-2012, 08:51 PM   #22
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Maybe I missed it but are these 243's?
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Old 10-14-2012, 08:52 PM   #23
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Well, don't know of any shops with a flow bench. Also, I'm not looking for max effort. I'm trying to do this on a tight budget, and having the heads flowed costs cash money.
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1998 Z-28 - SLP lid - Ported TB - LS6 Intake - Dynatech SS headers/Catted Y - Magnaflow Exh - 3.42 - Yank SS3600 - UMI weld-in subframe connectors, Adj LCA, Adj PHB, Q1A TA - Bolt-in Relocation Brackets - Strano springs - Koni shocks - 17" C6Z06 wheels - 326HP/335ft-lbs - 12.35 @ 110.41

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I can appreciate a dream but this person needed some real friends.
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Old 10-14-2012, 08:54 PM   #24
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Well, don't know of any shops with a flow bench. Also, I'm not looking for max effort. I'm trying to do this on a tight budget, and having the heads flowed costs cash money.
Yea, and not worth it.

Unless you flow it, port more accordingly, and flow test again, repeat till 100%.. theres no need, you will never get perfect flow numbers cyl to cyl unless you are a CNC machine.

Go with that cam you mentioned earlier, should be real easy to tune and drive really nicely.

I had a 224/230 107 in an LT1 and that drove great, so LS1 should have no issue with a wider split.
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Old 10-14-2012, 09:04 PM   #25
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I'm really leaning towards a 224/224 on a 112 CL. It'll have 0 overlap at .050, which means decent idle, and the 112 CL should bring on the torque earlier.

Yes, 243's with lightweight valves.
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I can appreciate a dream but this person needed some real friends.

Last edited by The_Bishop; 10-14-2012 at 09:08 PM.
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