Baja H2x 24 Ft
#1
Registered
Thread Starter
Join Date: Nov 2001
Location: CALIFORNIA
Posts: 4
Likes: 0
Received 0 Likes
on
0 Posts
Baja H2x 24 Ft
Hey Guy's
I Just Put A 525 Efi Merc Racing Motor In My H2x. I Have Talked With People Over The Years That Claim A Radar Or Gps Speed Of 70 Mph With A 496 H.o. Stock. I Am Trying Different Props But So Far With A 26p Bravo I Am Getting 71 Mph At 4600 Rpm. I Know I Am Not In The Sweet Spot Which I Have Been Told Is About 5150 Rpm. I Will Try A Lab 25p Bravo But That Will Get Me Maybe 5000 Rpm With Luck. Droping Down From A 25p The Speed Drops Down Quite A Bit. I Am Already Disapointed At The Top Speed Of Just Over 70 Mph On Gps. Also At That Speed It Starts To Chine Walk From Side To Side. Has Anybody Got Any Idea Why This Boat Isnt Doing Close To 80 Mph.
Thanks,
Str0ker96
I Just Put A 525 Efi Merc Racing Motor In My H2x. I Have Talked With People Over The Years That Claim A Radar Or Gps Speed Of 70 Mph With A 496 H.o. Stock. I Am Trying Different Props But So Far With A 26p Bravo I Am Getting 71 Mph At 4600 Rpm. I Know I Am Not In The Sweet Spot Which I Have Been Told Is About 5150 Rpm. I Will Try A Lab 25p Bravo But That Will Get Me Maybe 5000 Rpm With Luck. Droping Down From A 25p The Speed Drops Down Quite A Bit. I Am Already Disapointed At The Top Speed Of Just Over 70 Mph On Gps. Also At That Speed It Starts To Chine Walk From Side To Side. Has Anybody Got Any Idea Why This Boat Isnt Doing Close To 80 Mph.
Thanks,
Str0ker96
#4
Registered
Hey Guy's
I Just Put A 525 Efi Merc Racing Motor In My H2x. I Have Talked With People Over The Years That Claim A Radar Or Gps Speed Of 70 Mph With A 496 H.o. Stock. I Am Trying Different Props But So Far With A 26p Bravo I Am Getting 71 Mph At 4600 Rpm. I Know I Am Not In The Sweet Spot Which I Have Been Told Is About 5150 Rpm. I Will Try A Lab 25p Bravo But That Will Get Me Maybe 5000 Rpm With Luck. Droping Down From A 25p The Speed Drops Down Quite A Bit. I Am Already Disapointed At The Top Speed Of Just Over 70 Mph On Gps. Also At That Speed It Starts To Chine Walk From Side To Side. Has Anybody Got Any Idea Why This Boat Isnt Doing Close To 80 Mph.
Thanks,
Str0ker96
I Just Put A 525 Efi Merc Racing Motor In My H2x. I Have Talked With People Over The Years That Claim A Radar Or Gps Speed Of 70 Mph With A 496 H.o. Stock. I Am Trying Different Props But So Far With A 26p Bravo I Am Getting 71 Mph At 4600 Rpm. I Know I Am Not In The Sweet Spot Which I Have Been Told Is About 5150 Rpm. I Will Try A Lab 25p Bravo But That Will Get Me Maybe 5000 Rpm With Luck. Droping Down From A 25p The Speed Drops Down Quite A Bit. I Am Already Disapointed At The Top Speed Of Just Over 70 Mph On Gps. Also At That Speed It Starts To Chine Walk From Side To Side. Has Anybody Got Any Idea Why This Boat Isnt Doing Close To 80 Mph.
Thanks,
Str0ker96
Last edited by jeffswav; 07-16-2009 at 11:48 AM.
#5
Registered
Join Date: Apr 2002
Location: Henderson KY
Posts: 946
Likes: 0
Received 0 Likes
on
0 Posts
Hey Guy's
I Just Put A 525 Efi Merc Racing Motor In My H2x. I Have Talked With People Over The Years That Claim A Radar Or Gps Speed Of 70 Mph With A 496 H.o. Stock. I Am Trying Different Props But So Far With A 26p Bravo I Am Getting 71 Mph At 4600 Rpm. I Know I Am Not In The Sweet Spot Which I Have Been Told Is About 5150 Rpm. I Will Try A Lab 25p Bravo But That Will Get Me Maybe 5000 Rpm With Luck. Droping Down From A 25p The Speed Drops Down Quite A Bit. I Am Already Disapointed At The Top Speed Of Just Over 70 Mph On Gps. Also At That Speed It Starts To Chine Walk From Side To Side. Has Anybody Got Any Idea Why This Boat Isnt Doing Close To 80 Mph.
Thanks,
Str0ker96
I Just Put A 525 Efi Merc Racing Motor In My H2x. I Have Talked With People Over The Years That Claim A Radar Or Gps Speed Of 70 Mph With A 496 H.o. Stock. I Am Trying Different Props But So Far With A 26p Bravo I Am Getting 71 Mph At 4600 Rpm. I Know I Am Not In The Sweet Spot Which I Have Been Told Is About 5150 Rpm. I Will Try A Lab 25p Bravo But That Will Get Me Maybe 5000 Rpm With Luck. Droping Down From A 25p The Speed Drops Down Quite A Bit. I Am Already Disapointed At The Top Speed Of Just Over 70 Mph On Gps. Also At That Speed It Starts To Chine Walk From Side To Side. Has Anybody Got Any Idea Why This Boat Isnt Doing Close To 80 Mph.
Thanks,
Str0ker96
#6
Registered
Join Date: Oct 2002
Location: Indianapolis, IN
Posts: 558
Likes: 0
Received 0 Likes
on
0 Posts
IMO, your motor isn't turning up like it should. A 525 should spin that wheel right on up.
Timing?
fuel issue?
Look at it this way. If a 425 hp 496 goes 70, wouldn't you think that 100 more hp should be uper 70s?
Timing?
fuel issue?
Look at it this way. If a 425 hp 496 goes 70, wouldn't you think that 100 more hp should be uper 70s?
#8
Registered
Thread Starter
Join Date: Nov 2001
Location: CALIFORNIA
Posts: 4
Likes: 0
Received 0 Likes
on
0 Posts
24 Boss H2x
HEY GUYS,
THANKS FOR ALL YOUR INSIGHTS TO MY PROBLEM. THE MOTOR IS NOT THROWING ANY CODES FROM THE ECM. I DO HAVE HYD. STEERING BUT I WILL CHECK FOR PLAY IN THE DRIVE UNIT. MY TEC SAYS TO DRIVE THROUGH IT OR SAW THE WHEEL TO SETTLE IT DOWN. I DONT LIKE THAT IDEA I THINK THERE IS A PROBLEM HERE AND I WILL FIND IT! YOUR UNCLE MOST HAVE NEEDED A LARGE BODY OF WATER TO SPIN UP A 28P, WAS IT A STOCK 502? I CAN IMAGINE IT MUST HAVE TAKE QUITE AWHILE TO GET ON PLANE, BOTTOM LINE HE GOT TO 70. I AM LOOKING FOR ALL AROUND PERFORMANCE NOT JUST THE TOP LINE. SO YOU GUYS HAVE A GREAT WEEKEND ON THE WATER. I WILL BE AT PARKER STRIP, LAKE HAVASU WITH KNOW BOAT. WE ARE TAKING OR JET SKIS AND THEY WILL DO 70 WITH NO CHINE WALK.
THANKS AGAIN,
STR0KER
THANKS FOR ALL YOUR INSIGHTS TO MY PROBLEM. THE MOTOR IS NOT THROWING ANY CODES FROM THE ECM. I DO HAVE HYD. STEERING BUT I WILL CHECK FOR PLAY IN THE DRIVE UNIT. MY TEC SAYS TO DRIVE THROUGH IT OR SAW THE WHEEL TO SETTLE IT DOWN. I DONT LIKE THAT IDEA I THINK THERE IS A PROBLEM HERE AND I WILL FIND IT! YOUR UNCLE MOST HAVE NEEDED A LARGE BODY OF WATER TO SPIN UP A 28P, WAS IT A STOCK 502? I CAN IMAGINE IT MUST HAVE TAKE QUITE AWHILE TO GET ON PLANE, BOTTOM LINE HE GOT TO 70. I AM LOOKING FOR ALL AROUND PERFORMANCE NOT JUST THE TOP LINE. SO YOU GUYS HAVE A GREAT WEEKEND ON THE WATER. I WILL BE AT PARKER STRIP, LAKE HAVASU WITH KNOW BOAT. WE ARE TAKING OR JET SKIS AND THEY WILL DO 70 WITH NO CHINE WALK.
THANKS AGAIN,
STR0KER
#9
Registered
Join Date: Jul 2008
Location: Versailles, KY
Posts: 149
Likes: 0
Received 0 Likes
on
0 Posts
My uncle's boat had a 496ho. Yes he did have to ease it onto plane. Like i said though it was labbed and it was for top end only. The boat was ran here at Cumberland. I believe it was an 05, was a fun boat. Have a great weekend, wish i was boating this weekend
#10
Registered
Join Date: Dec 2000
Location: EASTON MA.
Posts: 6,281
Likes: 0
Received 0 Likes
on
0 Posts
man that motor should turn a 28b1 and yes you have to saw the steering, but you not be getting chinewalk at that speed with add on steering and if its full hyd steering to the dash that makes no sense sorry to hear this. maybe at the end of the season if its still messed up pull the motor and have it dynoed it should be 545 to 560hp. right now it sounds like your over trimming to get to 70 which causes the walk. after you get it figured out a short will help more for the four blade. and add full hyd steering to the helm if you still have cables going up there. once set up that should be a 80mph boat. ART