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Best EFI System for Big Block Chevy- 1200hp+

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Old 11-27-2017 | 12:26 PM
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Originally Posted by turbom700

I have been 100% happy with my holley set-up. Very easy to learn, very constant day in and day out.
AWESOME to hear.. I just bought a Holley HP setup for my Procharged 555..
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Old 11-27-2017 | 01:10 PM
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Originally Posted by Nice Pair
Just a guess, your motor is blown ... how about 2) of the holley inj. body's on a 2/4 blower manifold?

https://www.holley.com/products/fuel...8aAiIYEALw_wcB

You can use 2 on each motor?Do they have to be synchronized? My current engines are blown but I am building new procharger motors and I was thinking to just use one EFI /carb looking "thing".
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Old 11-27-2017 | 01:17 PM
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Originally Posted by turbom700
If it was me I would be running Holley Dom with injectors in the manifold right before the valves. You could then run COP and only use your Dis. as a signal generator. Very simple set-up.

I'm using Holley HP on my Twin Turbo LS in my boat. Wish I would of up the coin just so I could have DBW(drive by wire) otherwise I have been 100% happy with my holley set-up. Very easy to learn, very constant day in and day out.

How does that work?I thought the injectors were in the body of the fuel injection unit
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Old 11-27-2017 | 01:23 PM
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Mark at MER Performance in SC has had GREAT luck with the Holley system.
Just don't call and try to keep him on the phone all day asking silly questions. Half of OSO tries to do that already. Advice doesn't pay the bills.
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Old 11-27-2017 | 02:28 PM
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Throttles in fargo ND. He is a Holley dealer and certified installer for Holley EFI. Also the cast of his friends including himself have crewed and tuned EFI systems for the NHRA amoung alot of other Pro sports. They are far ahead of the marine side of the coin for aftermarket EFI set ups and installs. They will NOT tune by mail no matter of the customer. They will only Tune on the dyno and final tune in the boat on the water at the location (area) of the boat is going to be used the most.
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Old 11-27-2017 | 02:30 PM
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What does Teague use on their larger cube higher HP builds. Endeavour32 just bought a couple SC 572 fuel injected builds that originally came from them. I'm pretty sure their capable of 1,100 hp plus.
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Old 11-27-2017 | 02:46 PM
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Originally Posted by turbos230
I am building new procharger motors and I was thinking to just use one EFI /carb looking "thing".


I had used an older FAST system but am now switching to a Holley...

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Old 11-27-2017 | 04:28 PM
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[QUOTE=Boatally Insane;4596178]

I had used an older FAST system but am now switching to a Holley...


Nice work....
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Old 11-27-2017 | 09:28 PM
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Originally Posted by turbos230
How does that work?I thought the injectors were in the body of the fuel injection unit
Holley has a few different "kits" the HP EFI and Dominator are all what they call Mult-Port injection where the injectors are not by the throttle body. Typical as close to the intake valves. They also have the terminator and sniper which are more of a replacement for a carburetor as they bolt in place of one. The sniper is a simple plug and play and works awesome in change for a carb.

One thing to keep in mind with any EFI system is having the ability to turn off closed loop learn if you want/need to. Other "plug and play" systems you cant do that.

Also Holley is running a sale till the end of the yr 20% off. (no I don't work for them or get any kick backs) just been very happy with there system.
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Old 11-28-2017 | 10:06 AM
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Where is this 20% off sale at?
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