Making cores for the V12 LS7 heads
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Teching In
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Making cores for the V12 LS7 heads For those who are interested here are some pictures showing how we make the water jacket cores for the LS7 style V12 heads. Everything is CAD designed and most core boxes made in the traditional way for the foundry. But with the complexity of the water jacket we use 3D printing to create the perfect water jacket core.
V-12 Block "V" angle Hi Matt, GOOD work.
I created the first Viper V-10 in the same way for Metalcrafters in Costa Mesa CA.
What is your new cast block "V" angle ?
The cores are easy to handle, I "stole" my wife's Nail Files (sand) to fit/trim my cores. (Green Sand & Dry Sand)
I came home that nite and she was VERY UPSET not form the missing files but from the fact that she thought I had a girl friend that received those files !
I have a requirement for a 1800 RPM 25K hour engine ?
Lance
I created the first Viper V-10 in the same way for Metalcrafters in Costa Mesa CA.
What is your new cast block "V" angle ?
The cores are easy to handle, I "stole" my wife's Nail Files (sand) to fit/trim my cores. (Green Sand & Dry Sand)
I came home that nite and she was VERY UPSET not form the missing files but from the fact that she thought I had a girl friend that received those files !
I have a requirement for a 1800 RPM 25K hour engine ?
Lance
TECH Senior Member
Joined: Jun 2016
Posts: 22,291
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From: Central Cal.
Hey Lance, not to butt in, but this engine is based upon the LS engine, actually an extended version to include four more cylinders, which makes the angle between cylinder banks ninety degrees, like the V8 it is based upon.
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Teching In
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Yes that's right, we chose to stick with 90 degrees as while odd fire makes a poorly balanced engine worse, it has little effect on a V12 due to the perfect primary and secondary imbalance.
Sounds cool lance, and yeah sand printing has really helped speed up the development process.
Sounds cool lance, and yeah sand printing has really helped speed up the development process.
V-12 Firing Order Hi Matt, My requirement is an "airborne" GenSet.
So I ask the short block engine weight ?
So I ask the firing order with degrees of each cylinder ?
So I ask if 60-2 Crankshaft Target Wheel is filled ?
Yes, I agree TWO six cylinder engines balance well at any degree angle.
Lance
So I ask the short block engine weight ?
So I ask the firing order with degrees of each cylinder ?
So I ask if 60-2 Crankshaft Target Wheel is filled ?
Yes, I agree TWO six cylinder engines balance well at any degree angle.
Lance
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Hi Lance, You can find more info over at http://v12ls.com/technical-information/
Yes we use the 60-2 trigger and will publish a long block weight soon.
So what is an "airborne" GenSet.?
Yes we use the 60-2 trigger and will publish a long block weight soon.
So what is an "airborne" GenSet.?
Trending Topics
LS Laser Power Hi Gary, the Air Borne Laser program has been "reborn" with new Fiber Optics Lasers.
They do need power supplies, "gensets" for repeat bursts.
Who would like that to be a LS-V-12 ?
Lance
They do need power supplies, "gensets" for repeat bursts.
Who would like that to be a LS-V-12 ?
Lance
Last edited by pantera_efi; Oct 4, 2017 at 11:12 AM. Reason: SP
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