Tune v BAP

myrodr

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Did eaton swap on my marauder. Wired the BAP after FPDM now learned that should be BEFORE FPDM. What i need to know is do i have to retune or will this tune be ok with no other changes?
 

RacerX

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No need to retune. Is it stock fuel pump?
 

Zack

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If it was wired after the FPDM didnt your dyno tuner notice the fuel pressure was skyrocketing?

If you had constant voltage going to the pump and high fuel pressure, then 100% you need to get it re-dyno'ed.

Are you using the Hobbs switch or is it wired full time?
 

myrodr

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Thanks for the info.Wired full time. now was use using pressure switch like the trilogy manual showed. I am running stock pulley upper and +2lbs bottom. I am using stock fuel pump now, but i have a GT 40 pump that i will install if i need. Any more thoughts would help.
 

Zack

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Let me backtrack a bit.
You may be fine indeed since the pump is powered by a ground pulse from the FPDM.
Yeah....I think. Pretty sure now.
 

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