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Cathedral PorT Mafia PORN INSIDE. + MAVNs N/A 416 Build Stage 2

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Old 02-06-2018, 12:07 PM
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Default Cathedral PorT Mafia **** INSIDE. + MAVNs N/A 416 Build Stage 2
Well my buddy Lonnie at TSP really Hooked it up. here are my PRC 247cc Heads Milled .030. Going to be running a .040 Cometic Gasket on my 416 for 12:1 comp. Hoping to see as close to 600 Whp as we can get. and hopefully some 135 ish Traps N/A in my full weight Turd. My New Cam will be here this week aswell..

Enjoy the Pics














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Old 02-06-2018, 02:26 PM
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Prepare for a lot more funzies

And get a mamo MSD
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Old 02-06-2018, 02:38 PM
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Your car a automatic or stick shift ?
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Old 02-06-2018, 03:02 PM
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Please take the y pipe off your car and put a x if you haven't already. Heads look good tho.
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Old 02-07-2018, 11:32 AM
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Originally Posted by sxc Z28
Please take the y pipe off your car and put a x if you haven't already. Heads look good tho.
2" headers to an x
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Old 02-07-2018, 12:35 PM
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Originally Posted by Mavn
2" headers to an x
Cool! Are they on the car already or you going to put them on?
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Old 02-07-2018, 03:04 PM
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Originally Posted by sxc Z28
Cool! Are they on the car already or you going to put them on?
Nothing is on the car. I'm still driving it on current setup
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Old 02-07-2018, 04:34 PM
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Originally Posted by Mavn
Nothing is on the car. I'm still driving it on current setup
Nice, that exhaust change will be noticeable. NA coyote guys won't want to run you anymore tho
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Old 02-25-2018, 02:11 AM
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inb4 4.8 reckz dis bild
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Old 02-26-2018, 08:30 AM
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Was looking at those heads last week thinking, why doesn't anyone run these?

Glad you're keeping it cathedral port real.
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Old 02-28-2018, 01:35 PM
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Good looking heads!

I'm building a 416 with Mast Motorsports cathedral port heads.
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Old 03-08-2018, 01:36 AM
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Corn is available in TX isnt it? You're giving up 30-40hp but not upping 2 points of comp and throwing corn at it
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