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So C7 HP guess

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Old Apr 13, 2016 | 09:35 PM
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Default So C7 HP guess
I got a 1LT Z51 C7 2014 stingray.
Have a ECS 1500sl kit
E85 flex sensor
LT4 Z06 injectors
LT4 Z06 fuel pump
ARH LT
Snow Performance Meth kit twin nozzles
And fresh tune, running on E85

What does everyone think the power is going to be made? Haha
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Old Apr 13, 2016 | 10:03 PM
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Assuming restrictor plate removed 700-720RWHP/620-630tq
Last edited by Steve Garrett; Apr 13, 2016 at 10:59 PM. Reason: No need to requote the OP, especially if you're the next person posting.
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Old Apr 13, 2016 | 10:08 PM
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Restrictor plate removed, making roughly 16psi
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Old Apr 13, 2016 | 10:12 PM
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Originally Posted by NFSP
Restrictor plate removed, making roughly 16psi
I started to ask how many lbs of boost. That's enough boost to make atleast 800 I'd think on stock cam.
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Old Apr 13, 2016 | 10:14 PM
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Yeah it's on the stock cam for now and stock bottom end, but not for long just for right now. So I hear 800 now
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Old Apr 14, 2016 | 01:44 AM
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Wow 16psi on stock bottom...ooowwee
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Old Apr 14, 2016 | 09:37 AM
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in the 800 range for sure, congrats.
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Old Apr 14, 2016 | 09:55 AM
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At 16psi 800 for sure.

My advice is to not do the snow kit though if you can avoid it. I had the snow kit for about a year and had nothing but issues with the bad push lock fittings and nozzle leaking. Went with the Alky now and couldn't be happier. At that HP the last thing you need is a meth system issue.

Good luck with the build!
Last edited by C7&7; Apr 14, 2016 at 09:55 AM.
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Old Apr 14, 2016 | 10:21 AM
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Originally Posted by DOUG @ ECS
in the 800 range for sure, congrats.
Thanks brother, the snow kit has been working great so far no complaints on my end. Ragin Racin installed it.
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Old Apr 14, 2016 | 11:01 AM
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Originally Posted by C7&7
At 16psi 800 for sure.

My advice is to not do the snow kit though if you can avoid it. I had the snow kit for about a year and had nothing but issues with the bad push lock fittings and nozzle leaking. Went with the Alky now and couldn't be happier. At that HP the last thing you need is a meth system issue.

Good luck with the build!

Agreed completely, be careful, meth is fuel! Thin plastic lines are for air shocks IMHO.
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Old Apr 14, 2016 | 11:38 AM
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Originally Posted by DOUG @ ECS
Agreed completely, be careful, meth is fuel! Thin plastic lines are for air shocks IMHO.
Agree, that's why I wanted to go the safe route with e85 and larger injectors and pump. The meth is literally just a secondary precaution and to lower the IATs
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Old Apr 14, 2016 | 11:49 AM
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What % E85 are you able to run before running out of injector duty?
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Old Apr 14, 2016 | 11:56 AM
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Well the LT4 injectors are about 20% larger then the LT1s so hoping to run at least 75% before maxing, but won't know til I tune.
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Old Apr 14, 2016 | 02:25 PM
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I thought the max PSI for a 1500 was 14lbs is that not correct?
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Old Apr 14, 2016 | 04:05 PM
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I'm at 860 @ 13psi, however the cam really helped the torque remain flat after 5k.

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Old Apr 14, 2016 | 06:15 PM
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Originally Posted by thegame
I thought the max PSI for a 1500 was 14lbs is that not correct?
Forget psi, that just shows restriction anyway..
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Old Apr 14, 2016 | 06:16 PM
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Originally Posted by NFSP
Well the LT4 injectors are about 20% larger then the LT1s so hoping to run at least 75% before maxing, but won't know til I tune.
On a manual I've made close to 700rwhp on stock cam lobe, Lt4 on e50
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Old Apr 14, 2016 | 11:16 PM
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Originally Posted by Bucknut2006
I'm at 860 @ 13psi, however the cam really helped the torque remain flat after 5k.


That's impressive brother, so the cam really made that much of a difference? What's your injector duty cycle at?
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