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CALIFORNIA PERFORMANCE
10-03-2003, 05:27 PM
I am tired of having a slow boat. I think it is that the prop is too small.(story of my life)So I am looking for another one. I know I should call Tom or somebody but it is later and wanted to know what you all think. When i am running around 5500 rpm I think a house boat will pass me :mad: .I don't have a gps so I do not know my mph. Labor day I road in a 86mph boat anD that is at least two times faster than my boat.The boat is a 18' eliminator flat with nothing in it. I think I might have 400 hp :confused: (440 tunnel ram 2 660 holley, don't know much about it) My cav plate is 1/8 inch higher than the bottom of the boat. I think that is where it is suppose to be?? What prop should i run to get in the 80's. If I can with this hp and boat.Oh and 12%gears. Thanks for any input. :D

BGMAN203
10-03-2003, 06:15 PM
What prop do you have now??

CALIFORNIA PERFORMANCE
10-03-2003, 06:29 PM
I can't find #'s on it. It is a 2 blade.

ssmike
10-03-2003, 06:37 PM
CP - Does the boat porpoise? Take a set? That makes a huge difference....

CALIFORNIA PERFORMANCE
10-03-2003, 06:46 PM
It will take a set. but not like other boats.I kind of still think it is stuck in the water. Motor too far foward??

GofastRacer
10-03-2003, 08:05 PM
IF and I say IF you have only 400hp, before you go any further you need to step up the power before you do anything to the boat!. With that amount of power, there is no way it's going to perform the way you want it to!...
BTW, what's all in that motor??..
[ October 03, 2003, 09:06 PM: Message edited by: GofastRacer ]

dmontzsta
10-04-2003, 08:26 AM
What is in that motor? If it is stock that could be your biggest hold back, tunnel ram and 2 660's will kill your power if you are stock.

wsuwrhr
10-04-2003, 09:24 AM
dmontzsta:
What is in that motor? If it is stock that could be your biggest hold back, tunnel ram and 2 660's will kill your power if you are stock. Uh huh, yea what he said.
Marty, Marty, Marty, you would be much better off taking that t-ram off and shelving it. Put on an 850 with a Team G, or any large plenum single plane. I wish I had one for you to try out. When are we going to do some work on your boat?
Second, watch the revs in that bad boy. 6500 ought to be your top speed, and that is pushing it. Unless you are sure what is in it. The worst time to find out your rod bolts are shit is when you are looking at them on the bottom of your boat, after they pass through the oil pan.
Keith's Howard has a mild 396 with 660's, I don't know what prop it has, but it runs 75 on GPS.
Try a different prop, or at least find out what you have. Take it off, and send it to Tom and he can check it out. I go to UPS all the time, I will even send it for you.
I wished you had gone to CBBB, we could have done some test and tune.
Brian

MandDPerformance
10-04-2003, 10:31 AM
I know of a really really good engine builder in Corona, CA to help with your power situation!!! :D
If I were you Marty, I wouldn't spend any money on your engine until you know what's inside. It wouldn't make sense to buy tires and wheels for a 1964 Cadillac just because some guy said he would give you a car. 'It's a '89 Yugo.' :D :D :D
Your prop should be no bigger in diameter than
11 3/8", smaller if it's a light boat. Diameter is usually the limiting factor. Measure from outside tip to outside tip and check your diameter. I'm guessing it's to big. You should have a 15" pitch, maybe a 16" but that would be a lot for your current power.

CALIFORNIA PERFORMANCE
10-06-2003, 04:51 PM
Thanks. I think i am going to put a single carb( i hate the way that looks), intake and new elec ignition.I will get back with the prop specs. I have looked before with no luck finding #'s on it.

smalls
10-06-2003, 05:12 PM
MandDPerformance:
I know of a really really good engine builder in Corona, CA to help with your power situation!!! :D
If I were you Marty, I wouldn't spend any money on your engine until you know what's inside. It wouldn't make sense to buy tires and wheels for a 1964 Cadillac just because some guy said he would give you a car. 'It's a '89 Yugo.' :D :D :D
Your prop should be no bigger in diameter than
11 3/8", smaller if it's a light boat. Diameter is usually the limiting factor. Measure from outside tip to outside tip and check your diameter. I'm guessing it's to big. You should have a 15" pitch, maybe a 16" but that would be a lot for your current power. Now if it is a Six Four convertable Caddy than pimp it out! wink we can find a prop somewhere.

V-DRIVE VIDEO
10-06-2003, 05:15 PM
[QUOTE]Originally posted by wsuwrhr: 6500 ought to be your top speed,
Hey Brian isn't that like Mach 9??? Dude that would break Ken Warby's rocket powerd speedboat record by 6,200 mph.
Did you read this M&D?? You may want to send wsuwhr an employment app. Lol smile_sp smile_sp

wsuwrhr
10-06-2003, 08:13 PM
V-DRIVE VIDEO:
[QUOTE]Originally posted by wsuwrhr: 6500 ought to be your top speed,
Hey Brian isn't that like Mach 9??? Dude that would break Ken Warby's rocket powerd speedboat record by 6,200 mph.
Did you read this M&D?? You may want to send wsuwhr an employment app. Lol smile_sp smile_sp Let's see...hahahaha.... is that a good laugh.
Thanks porno video dude. When is the next one due out?
I moved by the way, so the next time you drive by and a Chinese person answers the door, don't think they ate my dog and I for dinner.
No offense to any Chinese boardmember. Them's just jokes.
Anyway, for the mechanically challenged, 6500 was to represent the max safe INTERMITTENT RPM for a big block Dodge, if I owned it.
Next time, for Jerry Lewis's kids, I will
s-p-e-l-l it out.
Is this better?
6500RPM ought to be your intermittent top engine speed for a good built, balanced motor, with proper oil pressure.
I am always game for a more challenging job....JPL perhaps?
Just giving you shit bud.
Brian
[ October 06, 2003, 09:18 PM: Message edited by: wsuwrhr ]

V-DRIVE VIDEO
10-06-2003, 08:41 PM
wsuwrhr:
V-DRIVE VIDEO:
[QUOTE]Originally posted by wsuwrhr: 6500 ought to be your top speed,
Hey Brian isn't that like Mach 9??? Dude that would break Ken Warby's rocket powerd speedboat record by 6,200 mph.
Did you read this M&D?? You may want to send wsuwhr an employment app. Lol smile_sp smile_sp Let's see...hahahaha.... is that a good laugh.
Thanks porno video dude. When is the next one due out?
I moved by the way, so the next time you drive by and a Chinese person answers the door, don't think they ate my dog and I for dinner.
No offense to any Chinese boardmember. Them's just jokes.
Anyway, for the mechanically challenged, 6500 was to represent the max safe INTERMITTENT RPM for a big block Dodge, if I owned it.
Next time, for Jerry Lewis's kids, I will
s-p-e-l-l it out.
Is this better?
6500RPM ought to be your intermittent top engine speed for a good built, balanced motor, with proper oil pressure.
I am always game for a more challenging job....JPL perhaps?
Just giving you shit bud.
Brian :D :D :D

Hemiroid
10-07-2003, 09:00 AM
ssmike:
CP - Does the boat porpoise? Take a set? That makes a huge difference.... Dear SS, My boat will take a set and then it starts to porpoise then it will set again then when i let offthe accelorator it turns hard to the left? I have 32 gears and 396ci big block chevy making about 800hp. My v-drive is a 12deg and the prop is a 11.9x16.2 How can I fix this?

CALIFORNIA PERFORMANCE
10-07-2003, 04:39 PM
Just got new ignition.Not a MSD but a good elec Hi Performance mopar deal. Took the old single point dist out, burnt points and all.Well we will see if i can get it to run now :confused: wink

CALIFORNIA PERFORMANCE
10-08-2003, 03:38 PM
Well here we go agian. I was TRYING to take off my prop to look for specs and found that i have a bent prop shaft burningm . Well do I need a puller to get the prop off? How much does a new or used prop shaft?It is a 7/8 shaft?

Brodie
10-08-2003, 09:03 PM
Hey dude no ofense but that boat is never gunna run fast-like a runnerbotom
if you wanta go fast, sell that hull + moter and save up for sumthin nice.
no joke.

dmontzsta
10-08-2003, 09:18 PM
Brodie:
Hey dude no ofense but that boat is never gunna run fast-like a runnerbotom
if you wanta go fast, sell that hull + moter and save up for sumthin nice.
no joke. flatbottoms can run also.

CALIFORNIA PERFORMANCE
10-09-2003, 09:14 AM
Sell it... Sh#$ i can't even give it away.

Brodie
10-09-2003, 09:21 AM
dmontzsta:
Brodie:
Hey dude no ofense but that boat is never gunna run fast-like a runnerbotom
if you wanta go fast, sell that hull + moter and save up for sumthin nice.
no joke. flatbottoms can run also. your right. but only 1 in ten. Ha.
Heres a tip. Wanta go fast - spend $ get a runerbottom

dmontzsta
10-09-2003, 10:55 AM
Brodie:
dmontzsta:
Brodie:
Hey dude no ofense but that boat is never gunna run fast-like a runnerbotom
if you wanta go fast, sell that hull + moter and save up for sumthin nice.
no joke. flatbottoms can run also. your right. but only 1 in ten. Ha.
Heres a tip. Wanta go fast - spend $ get a runerbottom Nah, I would rather have a flatty, they are good for lots of other things, they move fast enough, how fast do you want to go? I dont think they are that much different. :D

Brodie
10-09-2003, 11:16 AM
dmontzsta:
I dont think they are that much different. :D from you're vast know ledge base and experiance,right? boxed
[ October 09, 2003, 12:17 PM: Message edited by: Brodie ]