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Old 09-27-2022, 09:27 AM
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Thanks for all the advice! So with the efi...would running the injector plate I linked earlier with 8 injectors and 2 TB's be a feasible option? Not sure what computer setup would be best for that application? Dominator? HP? I have the TB's picked out as well I'll get a link to those
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Old 09-27-2022, 09:28 AM
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Roots to whippleish quesitons-17-92.jpg

Injector plate
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Old 09-27-2022, 09:29 AM
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Roots to whippleish quesitons-112-587.jpg

Throttle bodies

Holley EFI 112-587 Universal 4BBL 1000CFM Throttle Body
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Old 09-27-2022, 10:45 AM
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Thats one way to do it .
or the set up I had that had everything built in, injectors and iac.
There`s a main unit and a slave unit .
HP ECU would be a great choice.

heres the part number i used ..






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Old 09-27-2022, 10:47 AM
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I have yet to really figure out the knock sensors.
It`s not as easy as it sounds, lots of 'noise' in a marine application, get it wrong , it starts pulling timing and there go your egts and exhaust valves.
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Old 09-27-2022, 10:47 AM
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I see that holley now offers the terminator in a 2x4 setup which is essentially what you had...wondering if I should just buy that as an upgrade to my sniper and be good enough or change everything to a system like I listed...did you have any issues with the terminator setup?
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Old 09-27-2022, 10:50 AM
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Holley EFI 550-1075 Holley EFI Terminator X Stealth 4150 2x4 - Black
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Old 09-27-2022, 01:06 PM
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Originally Posted by ICDEDPPL
I have yet to really figure out the knock sensors.
It`s not as easy as it sounds, lots of 'noise' in a marine application, get it wrong , it starts pulling timing and there go your egts and exhaust valves.
Are you saying that going to the whipple was not worth it?
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Old 09-27-2022, 02:47 PM
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Originally Posted by BBYSTWY
I see that holley now offers the terminator in a 2x4 setup which is essentially what you had...wondering if I should just buy that as an upgrade to my sniper and be good enough or change everything to a system like I listed...did you have any issues with the terminator setup?
Seems like they package the slave and main TB`s together now as a system which is nice, I had no issues . ran like a champ
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Old 09-27-2022, 02:54 PM
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I couldn't really tell from the pics or description but it almost looks like there is still only one IAC on the system which is dumb lol....Holley has a stand alone addon IAC I can use with the terminator but it just sucks its not built in.

I second wildmans question.....the whipple swap wasn't worth it?
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