Offshoreonly.com - 38 Lightning set-ups and speeds?

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- - 38 Lightning set-ups and speeds? (https://www.offshoreonly.com/forums/fountain/195448-38-lightning-set-ups-speeds.html)

mrquad1

09-20-2008 02:17 PM

Quote:

Originally Posted by 1stfntn (Post 2691519)

2000 Fountain Lightning w/ 500hp's (carbs) with headers and slightly hotter cam. Standard bravos. 80-82 GPS with 3/4 fuel and 4 people in fresh water on a normal summer day. 26 hydros spinning in on the rev limiter. Considering trying some 28 bravos. Have 29 hydros, but couldn't spin them on the top end; might be able to if they were labbed. I only see 50 at cruise (3500 rpm), so if people are seeing 55 w/ bravos, I'm definitely going to try a pair.

WONDERING IF YOU WOULD LIKE TO TRY 28P BRAVOS?
I would definately like to try the 29p hydros.
maybe we can work out a temp trade i'm close to you loto mo.
:ernaehrung004::ernaehrung004:

1stfntn

09-24-2008 07:29 AM

Sounds like a possibility. However, I recently relocated to NJ, so may be a little challenging working out logistics. Boat is still in AR and so are the extra props (29 hydros). However, I will be at the lake in AR this coming weekend, so if you want to try and work something out PM me. Bought the props on OSO a couple years back and have only tried them once. What shape are the Bravos in?

mrquad1

09-24-2008 08:08 PM

bravo's like new,and i'm at loto every weekend.going to run in the poker run on friday and hit the races over the weekend.if you would like to try the bravos let me know because i definately would like to try the hydros!

aTX427

10-01-2008 01:35 AM

Quote:

Originally Posted by mrquad1 (Post 2690388)

currently running 28p bravos,max rpm at wot trimmed up 5050.have you tried the 30p bravos with the standard merc b-1?

No, I had not tried that, but would guess you will loose 200-300 rpms and bog the engine. You may want to consider labbing the props to gain an extra 200 rpms from your current set up.

Yamaha 225

10-04-2008 02:42 PM

I tried to add more cup to the blades on my 32" Bravo four-blades to avoid running into the rev limiter. That helped cruise speed alot also because the props lifted the bow a lot more. Well worth trying!

mrquad1

10-07-2008 10:15 PM

Quote:

Originally Posted by aTX427 (Post 2702523)

No, I had not tried that, but would guess you will loose 200-300 rpms and bog the engine. You may want to consider labbing the props to gain an extra 200 rpms from your current set up.

Switched the rotation and gained a couple mph,and some wot to 5150.

aTX427

10-09-2008 10:18 PM

are you spinning in or out now?

mrquad1

10-19-2008 09:39 AM

:drink:

Quote:

Originally Posted by aTX427 (Post 2711664)

are you spinning in or out now?

turning inward,gained mph,bow lift,better topend ride,very little slow speed handling differences.

:drink:

aTX427

10-19-2008 11:47 AM

Mine was turning in as well.

Viaqua

10-30-2008 02:44 PM

2001 38', 500 EFI's, Gulf O' Mexico-"0" sea level, 75 degree day, 100 gls fuel on board, Bravo I's, stock 29 Hydros, 6" chop (approx). Constant 87.4 MPH. It will run 3-4 MPH slower on a 85-95 degree day. All GPS-not fantasy #'s. Always get 82-86 out of the boat in most normal conditions and NO TAILWIND crap. I do not carry a ton of crap that I never use on the boat either so its relatively light-

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