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#155 | |
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fo'shizZL1
Drives: 2017 ZL1 Join Date: Aug 2017
Location: ATL
Posts: 1,805
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Quote:
![]() Pushrods will be here tomorrow. I'll bolt them in and check actual preload and report where it landed.
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2017 ZL1 M6 Black | Maggie 2650 // 103TB // Big Gulp // CSP LT's & Ultra Cats // BMR MM // BC Forged KL13
Mods being installed- oil pump, cam, ported heads, dual in-tank, Goliath and XDI, corn, etc., etc. |
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#156 |
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fo'shizZL1
Drives: 2017 ZL1 Join Date: Aug 2017
Location: ATL
Posts: 1,805
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Pushrods installed and verified.
There is certainly something to be said for gauge length vs overall measured length. The set of 7.850's I bought from BTR measured 7.862" to 7.877" in terms of overall length, but the gauge length is what is tightly controlled. I took the longest and shortest rod as measured by calipers, and tested both of them on the valves that required the longest and shortest rods. Then I tested a random rod from the box in the middle of the range at both of those valves. Lastly, I tested a random rod on a valve that measured in the middle of the range for required pushrod length. The results: The 3 rods all measured the same preload in a given spot in the engine (within a thousandth). In my three test positions, I measured actual preload to range from 0.035" to 0.046". This is about 0.005" more than I expected, and puts me right into the range recommended by Katech. Woohoo! I'll assume the other 13 positions fall into the range at this point and call it good. For what it's worth, the easiest way to measure actual preload is to torque the rocker first, then measure the preload on the dial indicator as you back out the screw. The needle will stop moving once you get to zero lash, and that's your preload!
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2017 ZL1 M6 Black | Maggie 2650 // 103TB // Big Gulp // CSP LT's & Ultra Cats // BMR MM // BC Forged KL13
Mods being installed- oil pump, cam, ported heads, dual in-tank, Goliath and XDI, corn, etc., etc. |
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#157 |
![]() ![]() Drives: 2018 HBM ZLE Join Date: Aug 2017
Location: In the garage
Posts: 877
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My question to you would be, will you build me a motor? Haha
![]() Great work!
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Check out my youtube channel
https://www.youtube.com/@evans.educa...ocxUzC1ferqeg8 Full SPL suspension / Ported blower / NW 103mm / Rotofab BG / 2" Headers / Ported heads / Upgraded Valvetrain w/ DOD delete / Custom 38% Cam / C7.R Timing chain / Katech Oil pump / BMR motor mounts and chassis braces / Katech 174* Thermostat / Pierburg Supercharger coolant pump / PLM HX / JMS voltage booster / ATI Damper w/ 8.6 Lower / MM Mild catch can / ADM Resevoir / soon to come... Rebuilt Engine / XDI +30% injectors / PWR Oil cooler setup / GMS Hood bracket 760 Whp / 700 Wtq E50 |
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#158 | |
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Moderator
Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018
Location: Petersham MA
Posts: 6,204
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Quote:
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2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, ATI 8L90, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors & BB HPFP, TooHighPSI/Katech port injection, 15” conversion 1066 WHP STD/1027 SAE, 9.10@152.5 (new times coming)
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#159 | |
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fo'shizZL1
Drives: 2017 ZL1 Join Date: Aug 2017
Location: ATL
Posts: 1,805
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Quote:
Thanks for the compliments. It's about ready to drop back in! Forgot to mention that I put thread sealer on the intake rocker bolts. I don't think the Katech porting got into the heads that deep, but it is easy insurance just in case.
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2017 ZL1 M6 Black | Maggie 2650 // 103TB // Big Gulp // CSP LT's & Ultra Cats // BMR MM // BC Forged KL13
Mods being installed- oil pump, cam, ported heads, dual in-tank, Goliath and XDI, corn, etc., etc. |
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#160 |
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Having FUN in the SUN...
![]() Drives: 2022 M6 ZL1 1LE Join Date: Jan 2022
Location: San Diego CA
Posts: 2,056
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I would like to report this thread to ADMIN... it's been over 30 days without an update or photos... this is BS.
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#161 | |
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Moderator
Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018
Location: Petersham MA
Posts: 6,204
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Quote:
![]()
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2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, ATI 8L90, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors & BB HPFP, TooHighPSI/Katech port injection, 15” conversion 1066 WHP STD/1027 SAE, 9.10@152.5 (new times coming)
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#162 |
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fo'shizZL1
Drives: 2017 ZL1 Join Date: Aug 2017
Location: ATL
Posts: 1,805
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Yeah, yeah. Gimme a couple hours. I have an update. Ruthless.
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2017 ZL1 M6 Black | Maggie 2650 // 103TB // Big Gulp // CSP LT's & Ultra Cats // BMR MM // BC Forged KL13
Mods being installed- oil pump, cam, ported heads, dual in-tank, Goliath and XDI, corn, etc., etc. |
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#163 |
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Having FUN in the SUN...
![]() Drives: 2022 M6 ZL1 1LE Join Date: Jan 2022
Location: San Diego CA
Posts: 2,056
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Yeah... maybe we give him 24hrs to get his sh*t together, then BAN
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#164 |
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Having FUN in the SUN...
![]() Drives: 2022 M6 ZL1 1LE Join Date: Jan 2022
Location: San Diego CA
Posts: 2,056
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The clock is ticking...
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#165 | |
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Moderator
Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018
Location: Petersham MA
Posts: 6,204
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![]() Quote:
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2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, ATI 8L90, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors & BB HPFP, TooHighPSI/Katech port injection, 15” conversion 1066 WHP STD/1027 SAE, 9.10@152.5 (new times coming)
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#166 |
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fo'shizZL1
Drives: 2017 ZL1 Join Date: Aug 2017
Location: ATL
Posts: 1,805
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Alright, ya filthy animals!Not a huge update, but an update nonetheless. Been both sick and busy recently, so today was the first day in a while that I was able to put some time into it. The first thing I did was carefully remove the JMS to pass it along to another forum member. Then I knocked out the first part of the DSX dual intank installation, which was adding the trunk bulkhead fitting, the second FPCM, and the wiring harness and fuse to the battery. As expected from Mr. Steck, the kit is very well thought out and the instructions are very good. The first step is to clear out the trunk pan and cut a hole for the bulkhead fitting. DSX includes 3 progressive 3D-printed templates to ensure you get the holes and cuts exactly where they need to be. You simply mark and drill, move to the next template and go again. Then pass the gasketed fitting through the new hole and screw it in once you are all done. Then you just run the wiring harness over to the battery, and you're done! Very straightforward. Here is the finished product. Looks OEM, as expected from Dave. That's all I have for now. Tomorrow I'll start on the pump. Please don't ban me, Josh. ![]() . . .
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2017 ZL1 M6 Black | Maggie 2650 // 103TB // Big Gulp // CSP LT's & Ultra Cats // BMR MM // BC Forged KL13
Mods being installed- oil pump, cam, ported heads, dual in-tank, Goliath and XDI, corn, etc., etc. |
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#167 | |
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Having FUN in the SUN...
![]() Drives: 2022 M6 ZL1 1LE Join Date: Jan 2022
Location: San Diego CA
Posts: 2,056
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I vote to suspend the previously discussed Ban. Well done kind sir!
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#168 |
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Moderator
Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018
Location: Petersham MA
Posts: 6,204
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Nice! That’s pretty slick.
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2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, ATI 8L90, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors & BB HPFP, TooHighPSI/Katech port injection, 15” conversion 1066 WHP STD/1027 SAE, 9.10@152.5 (new times coming)
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