Dyno guy in JAX FL

boomer35

New member
Looking for a Dyno Guy here in Jax FL with a computer who make small adjustments to the ECU of a modified merc 500EFI
 
thats not going to happen in jax...there are no marine dynos and nobody that can do merc efi adjustments..get ahold of mark boos in LA. precision marine...he can get you about where you want on your ecu...
 
He has my ECU's right now, i just wanted to get them back, put them on the motors and run them on a dyno... Or in the boat with a computer to make the little adjustments it may need...

on that note, for anyone needing work to their ECU, i HIGHLY recomment Mark, he has been great to deal with and very informative.
 
He has my ECU's right now, i just wanted to get them back, put them on the motors and run them on a dyno... Or in the boat with a computer to make the little adjustments it may need...

on that note, for anyone needing work to their ECU, i HIGHLY recomment Mark, he has been great to deal with and very informative.


mark is the man when it comes to merc or mef
 
load the motors up and take em over to Mark in La. ....you'll be way ahead .... I know its a bummer that no one in NE Fla has the capability to do this .... KE in Palm Coast might could do it but it will be cheaper and prob better results @ Precision Marine ....m
 
no boost, i started with a stock merc 500EFI. now its a 540 stroker with alum heads. our air fuel ratio was a little too lean all the way across the board.
 
yea that was us, once we got out in the river we threw the air/fuel gun on, she ran a little lean so i had to baby her all day

which boat were you in
 
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