How much HP with XR's
#1
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Just wondering how much HP Bravo XR's can withstand. I'm looking to upgrade from 525's on my 36 NT but dont want to drop the $$$ on 6's now. Im also considering possibly getting Max Machine werx drives if neccesary, or picking up somethign new at the miami show. Anyone run Ilmors 625's and XR's?
-Rick
-Rick
#3
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I was told 600-650. JC is doing my 500's, and if I have drive trouble, he has said that the Teague shaft in the XR's will make them handle 650 no problem....
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I was told that Teagues drive was the best between, Imco, Merc. If you have to have a bravo drive get that and mix w/Max Mach. works, or better yet get an Arneson drive.
#5
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I try to stay around the 650 HP mark for pleasure boat stuff. We have raced single engine "A" class 510 cu.in around 750-775 HP through an IMCO with no problems. Your 500's could easily be bump to that, I have two I am doing right now.
Dean Gellner
Gellner Engineering Marine Power
Dean Gellner
Gellner Engineering Marine Power
#6
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Originally Posted by mrhorsepower1
I try to stay around the 650 HP mark for pleasure boat stuff. We have raced single engine "A" class 510 cu.in around 750-775 HP through an IMCO with no problems. Your 500's could easily be bump to that, I have two I am doing right now.
Dean Gellner
Gellner Engineering Marine Power
Dean Gellner
Gellner Engineering Marine Power
#7
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Originally Posted by Jassman
or better yet get an Arneson drive.
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Originally Posted by LostinBoston
If i was building a new boat i would. Right now i'm seeing if i can afford to go a little faster and already have 525/xr's. i have the 4 year extended warranty on the mercs and woudl probably sell them and get ilmors.
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#10
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We got them through our dealer who got them from a subsidiary of Brunswick. Whoever you bought yoru engines from should know who to contact.