06-14-2019, 12:25 PM | #29 | |
Drives: 2013 Camaro 1LE Join Date: Jul 2012
Location: Verona, WI
Posts: 1,930
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Quote:
Thanks.
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06-14-2019, 10:02 PM | #30 |
Drives: 2022 1SS 1LE A10 BCD WCT+PDR Join Date: Mar 2008
Location: Johnstown, PA
Posts: 3,321
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Zach, did you make any headway on the LSR bumpsteer kit?
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06-14-2019, 10:27 PM | #31 |
Drives: 02 Camaro B4C Join Date: Nov 2016
Location: Cape May County NJ
Posts: 750
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Interested in who's piston squirters you are using.
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1969 Camaro SS 1970 Camaro SS 2002 Camaro B4C 2014 Camaro SS Dedicated Track Car 2015 Camaro 1SS 1LE 2008 HHR SS 1996 Silverado Crew Cab Long Bed Dual Rear Wheel |
06-16-2019, 03:47 PM | #32 | |
Drives: 14 Camaro SS 1LE Join Date: Feb 2019
Location: Clinton Twp, MI
Posts: 483
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Quote:
1) Decreased bearing surface speed relative to RPM. 2) Less mass Mass change is negligible. It may be a difference of 1.5lbs. The decreased surface speed and friction is the more desired characteristic. I have the pieces close to being done, I have not had the time to tap them. I recreated the body using 4340 instead of 6061 aluminum. All I have to do is tap them followed by powdercoating. I will post more on this when they are finished. I will be using our Katech Piston Squirter designed for 4" strokes. The OEM LS9 squirters will not clear a 4" stroke. https://store.katechengines.com/kate...irter-p74.aspx |
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06-16-2019, 05:36 PM | #33 | |
Drives: 2013 Camaro 1LE Join Date: Jul 2012
Location: Verona, WI
Posts: 1,930
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Quote:
Ok the decreased bearing surface velocity makes sense. Initially I was just thinking that smaller diameter journals would mean less shear strength due to a smaller cross sectional area. But I can definitely understand the bearing surface speed if you are looking to get more RPMs out of the engine. Thanks for sharing your thought process and reasoning. It definitely helps to understand all the factors going into the build!
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06-16-2019, 07:34 PM | #34 | |
Drives: 14 Camaro SS 1LE Join Date: Feb 2019
Location: Clinton Twp, MI
Posts: 483
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06-17-2019, 12:14 PM | #35 |
Drives: 14 Camaro SS 1LE Join Date: Feb 2019
Location: Clinton Twp, MI
Posts: 483
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Update over the weekend: Heads are fully blueprinted and assembled. There are 6 angles on the intake and 4 angles on the exhaust for this valve job. My cam choice ended up working out perfectly as far as installed heights went. After the heads were assembled, I installed the CHE bronze trunion kit into my new OEM GM 1.7 rocker arms. Lastly, took my GMPP CTS-VR lifters and threw them in an oil bath. They will sit in there until they are ready to go into the engine.
Bonus picture includes the headers that arrived from Grams Performance. They are a 1-3/4" to 1-7/8" stepped header. Quality looks great, now I just have to see if they make power like the Kooks signature series did. |
06-17-2019, 12:52 PM | #36 |
Drives: 2013 Camaro 1LE Join Date: Jul 2012
Location: Verona, WI
Posts: 1,930
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Looking good Zach.
I did have a question for you about the engine build in general. How much different is your 416 LS3 build compared to the "off the shelf" 416 LS3 that Katech already offers? Thanks.
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06-17-2019, 05:54 PM | #37 | |
Drives: 14 Camaro SS 1LE Join Date: Feb 2019
Location: Clinton Twp, MI
Posts: 483
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Quote:
1) LS9 Block (mine) vs LS3 Block (Katech). We can use an LS9 Block if somebody specs it that way. 2) 4.065 Piston (mine) vs 4.070 Piston (Katech). I chose not to hone out my block for now. The Katech 416 is a real 416 where mine is technically a 415. 3) 2.000" Rod Journal (mine) vs 2.100 (Katech). This is something I chose to use, this is also an option that anyone can custom order if they would like. Essentially, the shortblock is the same. The biggest difference is the 416's sold to our customers are hand built by our engine builders. I am building mine myself. If inquired, we can throw together a custom shortblock based on application. With that said, only the best quality can be expected from our shortblocks that we sell to the consumers. |
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06-17-2019, 09:23 PM | #38 | |
Drives: 2013 Camaro 1LE Join Date: Jul 2012
Location: Verona, WI
Posts: 1,930
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Quote:
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06-18-2019, 12:50 PM | #39 |
Drives: 2010 2SS/RS Join Date: Dec 2009
Location: Clarksville Tennesse.
Posts: 6,089
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Why did you decide to go with the Caddy lifters, Ive read they arent that great and can be somewhat noisy.
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06-18-2019, 02:13 PM | #40 | |
Drives: 14 Camaro SS 1LE Join Date: Feb 2019
Location: Clinton Twp, MI
Posts: 483
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Quote:
We haven't had any issues out of the 100's of sets we have used here. The ceramic check ball can be noisy depending on preload and the valvetrain that is used with them. In general, they will be noisier than the LS7 lifter though. Most bad reviews tend to come from lack of valvetrain control, improper preload, or using a spring that is way too stiff for the lifter. |
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06-21-2019, 09:50 AM | #41 |
Drives: 14 Camaro SS 1LE Join Date: Feb 2019
Location: Clinton Twp, MI
Posts: 483
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Small Update: I am still waiting on a crankshaft, connecting rods, and head gaskets. I am hoping to get an update in the middle of next week. What I have left to do while I am waiting:
Chassis:
Engine:
I disassembled my throttlebody and that is now off to cnc. I will most likely start the design process on everything tonight. |
06-27-2019, 07:58 AM | #42 |
Drives: 14 Camaro SS 1LE Join Date: Feb 2019
Location: Clinton Twp, MI
Posts: 483
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Some chassis updates: I finished up the tie rod ends for the car to correct bumpsteer. I started with the LSR kit that had the correct stud and heim. I then created my own body using 4340. This has the correct threads for the 14-15 power steering rack. The last thing I need to do is powdercoat them.
Update for anyone with Bilstein B6 shocks, the rear shock compresses the OEM spring roughly ~0.50" more than stock, causing additional preload on the spring. This effectively raises the spring rate and makes your rear end stiffer. The solution I came up with was modifying the Bilstein rear spring perch to drop an additional 0.50" on the snap ring seat. I also turned down the O.D. to match the OEM rear perch. 14-15 Bumpsteer Kit: Modified Bilstein Shock: |
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