Bob's Jag
06-04-2010, 04:35 PM
#41
Platinum Member
Platinum MemberThread Starter
That's a great weight! There's a big difference in weight between Bravo setups and #6's + large blowers & their intercoolers!
If you get the right props, it should run very good for the power.
If you get the right props, it should run very good for the power.
06-04-2010, 06:49 PM
#42
Registered
Join Date: Jan 2009
Location: Riverside, CA
Posts: 308
Likes: 0
Received 0 Likes
on
0 Posts
Engines Dynoed at 725 H.P. @ 5600 and 780 T.Q. @ 4000. Going to lake test tomorrow.....They told me my cams are too small. We were making almost 800H.P. , but it was stating to detonate. Had to change top pully to a slightly bigger one. Right now they are making about 5 psi. I would like more power, but even at 725 I am over powering my drives. I have to be careful as it is...
06-05-2010, 06:02 PM
#45
Registered
Join Date: Jan 2009
Location: Riverside, CA
Posts: 308
Likes: 0
Received 0 Likes
on
0 Posts
Well I dont know if I have the correct props or not. But what I am pretty sure of is my prop shaft is way to high above the bottom. I told the boat shop I wanted it 2" above which I thought was pretty high for a bravo setup, but figured
I could always space down. Well when they cut the holes for the drives and I bolted everything up, it ended up being 3" above the bottom of the boat. Well I thought this thing is never gona get on plane like that. To my surprise this thing gets on plane stupidly easy. It almost gets on plane flat. The problem is though I have way way way to much prop slip. I used the calculator and figured im at like 30%
I borrowed a 1" spacer and put that in. We'll try that tomorrow and see what that does. BTW i had on 36 pitch bravo 1 and was at 5200 and doing 85 mph. I had the 32 pitch 5 blade maximus and was basically same speed and RPM. I was not wide open and with the slip as high as it was did nt see a need to run that hard yet. I was basically out of RPM and was not going the speeds that I should have or even close for that matter. It was about 10 am so the lake was pretty smooth. Other than that boat ran great. I did nt figured everything would be dialed it the very first trip out anyways. Just needs a little tweaking to get it right.
I could always space down. Well when they cut the holes for the drives and I bolted everything up, it ended up being 3" above the bottom of the boat. Well I thought this thing is never gona get on plane like that. To my surprise this thing gets on plane stupidly easy. It almost gets on plane flat. The problem is though I have way way way to much prop slip. I used the calculator and figured im at like 30%
I borrowed a 1" spacer and put that in. We'll try that tomorrow and see what that does. BTW i had on 36 pitch bravo 1 and was at 5200 and doing 85 mph. I had the 32 pitch 5 blade maximus and was basically same speed and RPM. I was not wide open and with the slip as high as it was did nt see a need to run that hard yet. I was basically out of RPM and was not going the speeds that I should have or even close for that matter. It was about 10 am so the lake was pretty smooth. Other than that boat ran great. I did nt figured everything would be dialed it the very first trip out anyways. Just needs a little tweaking to get it right.
Last edited by bobsbillets; 06-05-2010 at 06:04 PM.
06-06-2010, 06:08 PM
#47
Registered
Join Date: Jan 2009
Location: Riverside, CA
Posts: 308
Likes: 0
Received 0 Likes
on
0 Posts
Well tested the boat again today. Ran it up to about 90 with the 1" spaceer in. That was at 5500. Water was pretty smooth. Put on the 5 blades and later on in the afternoon it was rough. Boat really liked the rough water. I was at 80 at 4500 rpm. Did nt run it too hard cause the cops were on the water by then. I think I still need to space down another inch. Boat ran about 5 mph faster with the spacer. Its getting closer but still needs some tweaking. BTW i was full of gas on the first run and about 3/4 on the last. So i probably lost about 250 pds from fuel. This boat gets on plane very easy and loves rough water. My buddy had his 22 daytona out there and was getting beat to hell. I could have had a drink in my hand and not even spilled it. Definitley rides like a cadillac in the rough stuff.
