progress on my 28
#51
Registered
Thread Starter
iTrader: (1)
Join Date: Apr 2003
Location: Knoxville, TN
Posts: 877
Likes: 0
Received 0 Likes
on
0 Posts
Took the boat back out this evening with Matt's 24* Bravo I. I was all excited. I was really just wanting to see if I picked up the 400 rpm or so that I should have going from a 26 to a 24. I changed the plugs before taking it to the ramp. We dropped it in the water and fired it up. It didn't quite sound right... We idled out and went to take off and the thing started backfiring. We went back to the ramp and I changed the plugs back out (couldn't think of anything else that I had changed). Same thing. Put it back on the trailer and took it home.
On the way home, I remembered that I had been messing with the wires that run from the distributor to the MSD box the other day. I had pulled them back behind the blower to hold them out of my way while I worked on something else. Problem was I never did anything with it. So it was doubled up behind my blower motor. MSD forums say that the wires shouldn't be within 6 inches of any power carrying wires, so I'm sure that it being right behind the blower (with it turned on) was really confusing the ignition box. Maybe I'll get to run Matt's prop before I have to give it back to him
On the way home, I remembered that I had been messing with the wires that run from the distributor to the MSD box the other day. I had pulled them back behind the blower to hold them out of my way while I worked on something else. Problem was I never did anything with it. So it was doubled up behind my blower motor. MSD forums say that the wires shouldn't be within 6 inches of any power carrying wires, so I'm sure that it being right behind the blower (with it turned on) was really confusing the ignition box. Maybe I'll get to run Matt's prop before I have to give it back to him
#53
www.Bajaboatowners.com
Platinum Member
Join Date: May 2005
Location: Knoxville TN
Posts: 903
Likes: 0
Received 0 Likes
on
0 Posts
#54
Registered
Thread Starter
iTrader: (1)
Join Date: Apr 2003
Location: Knoxville, TN
Posts: 877
Likes: 0
Received 0 Likes
on
0 Posts
ran it on the trailer today after rerouting my distributor pickup wire. ran like a champ. I swapped out my 6000 rpm chip with the 3000 rpm one and blipped the throttle. Rev limiter kicked in a little early 2700-2800 rpm, but it worked. If it's kicking in 200-300 rpm early with the 3000 maybe it's kicking in 400-600 early with the 6000 (I know, wishful thinking). I guess next time out I see how it runs with the 24* Bravo and then I'll pull the chip (no limit) and see how it does. Maybe I can put my 26* back on there if a faulty rev limiter is holding me back.
#55
Registered
Thread Starter
iTrader: (1)
Join Date: Apr 2003
Location: Knoxville, TN
Posts: 877
Likes: 0
Received 0 Likes
on
0 Posts
I think part of my problem when it comes to prop slip, is my lower. The drives I took off of the Profile have nose cones on them and some of the fairing material has chipped off, so I don't really have a smooth transition to the prop. That is low on the priority list. With the power I (should) have, it should be revving alot higher with the slip I'm seeing. Maybe I will have to make a trip to see the dyno this winter.
#56
Platinum Member
Platinum Member
#57
Registered
Join Date: Jul 2004
Location: Stockholm, Sweden
Posts: 1,229
Likes: 0
Received 0 Likes
on
0 Posts
WTF?! Didn't see you - Yeah right, was she putting on makeup, painting her nails and ordering pizza at the same time crashing into you?
Last edited by tomas_wallin; 09-14-2007 at 02:36 AM.
#60
Registered
Thread Starter
iTrader: (1)
Join Date: Apr 2003
Location: Knoxville, TN
Posts: 877
Likes: 0
Received 0 Likes
on
0 Posts
Got back out with Matt's 24* Bravo. First time messing with it, got up to 62.2 just over 5000 rpm. Couldnt' over trim the motor (couldn't create a rooster tail). so I stopped and took off again with the drive trimmed out a litte bit more. it took longer to get on plane, but it ran out to 64 something. I finally passed a cruiser and found some broken up water and got it up to 65.8 at about 5250 rpm. During the middle of it, I was getting 60 at 5000 rpm, just like the with the 26*...