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post #1 of 6 (permalink) Old 05-10-2006, 10:25 AM Thread Starter
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125hp Shot

I know there is a few things I need up upgrade to go from a 75hp shot to a 125hp shot on my Zex kit. I know I need a new fuel pressure regulator, fuel pump, and a tune. Do I need bigger fuel injectors? Does anyone know the part numbers for the fuel pressure regulator and the fuel pump that I will need to run the 125hp shot.
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post #2 of 6 (permalink) Old 05-10-2006, 11:32 AM
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might as well get blue top 24lb injectors...get a 255lph pump, and for a regulator, I run an Aeromotive and get a pressure gauge for the regulator.

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post #3 of 6 (permalink) Old 05-10-2006, 12:18 PM
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get your pump from the place in my sig, they are the cheapest place around.
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post #4 of 6 (permalink) Old 05-10-2006, 03:51 PM
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You still running a stock engine? Your chances of wasting the stock pistons will be high on a 125 shot.

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post #5 of 6 (permalink) Old 05-10-2006, 04:09 PM
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An Aeromotive or BBK regulator should work fine. I've used both. The ZEX kit is set -up for the stock 19 lb injectors and the stock motor and 93 Octane fuel. But safer is better !. I'm also assuming this is a DRY KIT?

I ran everything from 55 up to 125 HP Shot on my stocker for years with no problems. I pulled the factory stock shortblock out with 116K miles on it with no problems when I put the other stock motor in with the PI/bullitt stuff. I'm still running the 125 shot on it. It can be done if you monitor what you are doing.

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post #6 of 6 (permalink) Old 05-10-2006, 04:34 PM Thread Starter
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Originally Posted by 1MTNCAT
!. I'm also assuming this is a DRY KIT?
Yes, it's a dry kit.
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