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-   Performance (https://forums.wmpdevserver1.com/community/forumdisplay.php?f=15)
-   -   which engine is better (https://forums.wmpdevserver1.com/community/showthread.php?t=7394)

Skools Out 10-16-2006 02:25 PM
Re: which engine is better
 
should be better and I/O are 4 stroke, you'd have to compare 4 stroke outboard to one.

fishbonejr 10-18-2006 02:32 AM
Re: which engine is better
 
mialage is not a concern of mine go gattta buy fuel there is no way around it but i always use 93 octane do i need to or is 87 or 89 enough. the two stroke outboars on my big boat average about 2.5 when cruzen at 30 knots. but when i am at WOT and doin about 50 knots there drinking about 55 gallons per hour.

Skools Out 10-18-2006 02:35 AM
Re: which engine is better
 
87 works great for all mine

dirkpitt 10-20-2006 08:50 AM
Re: which engine is better
 
I have a 1976 Trojan F-25. It had a Crusader 350 in it. I then dropped a 305 with a higher reduction in it just for kicks. I was not happy. Its an old and heavy boat. I then bought a MerCruiser 454 CID 360 HP and dropped it in. A real tight fit. But I bought it for $800.00 with only 150 hrs on it. I did a compression check and it read right around 140 psi. A big block is a low compression engie anyways. Now you talk about squirrely, if it was not for my trim tabs, I would be in dire straights. She fast but thristy. No a do have a Rochester 4-barrel on the engine. Very small primarys but monster secondaries. As long as I keep those closed, I get about the same milage as the 305 and 350. Torque moves mass....Dirk

reelapeelin 10-20-2006 09:26 AM
Re: which engine is better
 
Quote:
Originally Posted by dirkpitt
I have a 1976 Trojan F-25. It had a Crusader 350 in it. I then dropped a 305 with a higher reduction in it just for kicks. I was not happy. Its an old and heavy boat. I then bought a MerCruiser 454 CID 360 HP and dropped it in. A real tight fit. But I bought it for $800.00 with only 150 hrs on it. I did a compression check and it read right around 140 psi. A big block is a low compression engie anyways. Now you talk about squirrely, if it was not for my trim tabs, I would be in dire straights. She fast but thristy. No a do have a Rochester 4-barrel on the engine. Very small primarys but monster secondaries. As long as I keep those closed, I get about the same milage as the 305 and 350. Torque moves mass....Dirk

What kinda top-end speed can ya get B4 openin' the secondaries?...

dirkpitt 10-20-2006 10:06 AM
Re: which engine is better
 
About 52 mph.

dirkpitt 10-20-2006 11:30 AM
Re: which engine is better
 
I am sorry, 52 is wide open, about 27 mph without secondaries....Dirk

LESTERUS 10-20-2006 12:58 PM
Re: which engine is better
 
FISHBONE:

I POSTED A MESSAGE OF THE SPECIAL OF THE MONTH FROM MERCUISER ON A BRAND NEW 4.7 (THAT WHAT I HAVE) COMPLETE WITH TRANSOM PLATE AND A BRAVO III
OUTDRIVE, ALL FRESH NEW FROM FACTORY FOR 8K AND CHANGE. I DONT REMEMBER WHER I POSTED THAT AND I LOST THE FLYER, BUT IF YOU'RE INTERESTED LET ME KNOW.

LIKEWISE IF YOU'RE INTERSTED IN A V8 LET ME KNOW
I CAN GET YOU COST IN BRAND NEW MERCRUISER ENGINES

LESTERUS

fishbonejr 10-21-2006 09:55 PM
Re: which engine is better
 
Quote:
Originally Posted by LESTERUS
FISHBONE:

I POSTED A MESSAGE OF THE SPECIAL OF THE MONTH FROM MERCUISER ON A BRAND NEW 4.7 (THAT WHAT I HAVE) COMPLETE WITH TRANSOM PLATE AND A BRAVO III
OUTDRIVE, ALL FRESH NEW FROM FACTORY FOR 8K AND CHANGE. I DONT REMEMBER WHER I POSTED THAT AND I LOST THE FLYER, BUT IF YOU'RE INTERESTED LET ME KNOW.

LIKEWISE IF YOU'RE INTERSTED IN A V8 LET ME KNOW
I CAN GET YOU COST IN BRAND NEW MERCRUISER ENGINES

LESTERUS
how much for a v-8 because i can get a rebult 350 engine for about 2900 thanks.


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