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My Bad Azz LS7 Intake Mani showed up today

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Old 08-07-2018, 08:38 PM
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Default My Bad Azz LS7 Intake Mani showed up today

So, I ve been waiting til I had some more pics to start a build thread on my new engine build. But seeing as how my intake manifold showed up today, here goes some pics. What do you guys think? this thing is incredible to see in person. Sorry if I sound overly excited, because I am!!!
Performance Design Carbon XR LS7
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Old 08-07-2018, 09:02 PM
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RHS 427ci standard deck
Old 08-08-2018, 12:38 PM
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Nice! Are there any dyno comparisons out there with this intake yet or is it too new?
Old 08-08-2018, 03:42 PM
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Sure is pretty! I too would be interested in what sort of gains it makes.

If nothing else seeing that intake upon opening your hood, will scare the crap out of any potential competitors...
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Old 08-08-2018, 05:42 PM
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Default carbon xr testing

Old 08-08-2018, 05:49 PM
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This is going in my 65' nova. Its a pro touring themed street car on street tires with big brakes, doubt I ll win many races, but after ditching my turbo set up half way thru, I feel inadequate already! Trying to make some good hp on NA set up. Proly should have went with a tall deck rhs and solid roller and really pushed, but this will do.
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Old 08-08-2018, 05:51 PM
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Old 08-22-2018, 07:16 PM
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That is ridiculously clean sir. We need a video clip when it’s done.
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Old 08-22-2018, 09:38 PM
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It's so beautiful. I may have shed a tear just now.
Old 08-23-2018, 05:02 AM
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Thanks! We are still waiting on the Mast heads to ship out...once new motor goes in, i just gotta wire up the car.
Old 10-11-2018, 08:40 PM
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Finaly, heads have arrived. On backorder for quite some time, but they are here and engine build resumes...again...

Mast Blacklabel 285cc LS7

Old 10-13-2018, 11:00 AM
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Originally Posted by rkupon1
Finaly, heads have arrived. On backorder for quite some time, but they are here and engine build resumes...again...

Mast Blacklabel 285cc LS7






Very nice heads! Question for you. Why the 285's instead of the 305cc for the minimal price difference?
Old 10-13-2018, 11:03 AM
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HOOWHEEE Don't that be purty??!!!
Old 10-13-2018, 06:53 PM
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My engine builder,Mike@MCP, is very particular. I asked the same question. He said 305s would be better for something bigger than a 427ci. He basically said the 285s will produce the intake velocity he s looking for. I dunno, but i do trust him as i dont feel there were any other factors in the decision.
Old 10-13-2018, 08:35 PM
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Man! Thank you much for pics. From that intake, heads, to the nova. Great stuff! Hope to see more.
Old 10-14-2018, 01:39 PM
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Ok makes sense. Mine is a high compression 440 on spray and I was torn between the 285's and the 305's I bought. The wait was brutal on my heads too but i'm hoping it was worth it!??
Old 10-14-2018, 02:26 PM
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I feel guilty looking at all that pretty with my wife sitting right next to me. Just Nasty!
Old 10-14-2018, 04:10 PM
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Thanks! I ll try n update it as more parts show up.
I defly wanted the 305s thinkn bigger is better, this is how i got talked into staying with only 427ci too. I hope its good enough! We were originally thinkn a 460ci tall deck with a serious solid roller top end. I just couldnt see spending 10k more for another 70-80hp. It gets real expensive NA!
Old 10-14-2018, 04:41 PM
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Originally Posted by rkupon1
Thanks! I ll try n update it as more parts show up.
I defly wanted the 305s thinkn bigger is better, this is how i got talked into staying with only 427ci too. I hope its good enough! We were originally thinkn a 460ci tall deck with a serious solid roller top end. I just couldnt see spending 10k more for another 70-80hp. It gets real expensive NA!
... CSA in the intake port is like money, you only wanna spend when you need to ... at that c.i. the 285's are a great fit ...
Old 10-14-2018, 06:44 PM
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Excellent! I was hoping it was a no brainer n my engine guy wasnt a mad scientist. He s pretty smart, n i trust what he says. We hang out alot n you should see the expensive azz builds he works on...latest one was a 60k destroked 9800 rpm motor. I ve never seen an 8500$ crankshaft til now. It had 1 of a kind everything,Mast PDX heads, complete jesel top end, etc. Wish i knew more. Im still learning


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