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01-31-2013, 09:28 AM #16Screaming And Flying!
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I have a labbed 28p ET that I run on my king. It pulls too many R's but does give me a firm planted ride. The whole boat lift of a lightning is hard to beat.
83 V-King, 96 Mariner, 200 hp ff block 2.5 w/a 28p choppa
We gotta clean this liberal mess up, VOTE TRUMP TO MAGA!
Rebuild thread:
http://www.screamandfly.com/showthre...-it&highlight=
http://www.screamandfly.com/showthre...cs.&highlight=
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01-31-2013, 10:08 AM #17
I'm not talking about running race fuel. 100LL avgas is fine and won't break the bank. If you run long enough with 638/39 heads (especially cut .020") and pump fuel, it is not a question of if you burn it down, but when--especially with 4-person loads, etc. The "premium" fuel at the pump is not always premium. I have tested this many times and it never fails. You will get a load that is not as advertised. You won't know it until the engine gives the two-stroke death rattle and slows to a stop.
Pinning the carrier helps to keep it from walking in the housing, not so much spinning. At high transom heights, the carrier movement will eventually wear into the housing, rendering the housing and carrier useless. Also, you should clean, etch and then (green) loctite and punch-stake the prop shaft seals in the carrier (stake at 12, 3, 6 and 9-o'clock positions). This helps to keep the seals from walking out at speed.
Realistic max speed is in the low to mid 90s as long as the hull is sound and straight. Without blueprinting the bottom, that number will be closer to low 90s; with a straight and sharp pad, strakes and sponson shoes, perhaps 95. But that old 235 will be on the edge at all times. Unless you have an emotional or vintage attachment to it, if you want a reliable lake engine that will push you at the speeds you're looking for, sell it and buy a Mercury 2.5 200 or similar. With very little in the way of mods, it will push you at 95+ all day and never complain. Please keep in mind I am not bashing 235s; I have owned at least 7 of these in my past (and am soon buying another for a vintage rig in line for restoration); they just have their limitations, and pushing a Valero YT with a load all day in high summer is not one of their best applications. These engines enjoyed a great lifespan, but they are truly dinosaurs when compared to a good running Merc V6.
John
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01-31-2013, 10:13 AM #18
"Firm and planted" means the ass end is glued to the water.
Loose is better, as long as you can handle it.
The most I have ever pulled with any ET was 88-89 mph-- there was always more bow lift than I needed, but not enough stern lift to loosen it up and get it moving. The first time I ran a cleaver I ran 92.5 mph. I raised the motor a half-inch higher and ran 95, but it was a scary ride. I'm mad at myself for ever selling that prop.
I just scored another cleaver yesterday, so I should be back into the 90's again this season.Last edited by pyro; 01-31-2013 at 10:41 AM. Reason: added quote, fixed typo
'89 Hydrostream Vegas XT, '90 Merc 2.4 Bridgeport PCU EFI
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01-31-2013, 10:13 AM #19
Pinning carrier explained
http://www.screamandfly.com/showthre...g-Your-Carrier
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01-31-2013, 10:22 AM #20
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01-31-2013, 11:08 AM #21Screaming And Flying!
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To me, firm and planted means it wasn't trying to kill me at 6500+ RPM's It sure ain't stuck to the water. On my King with an ET the whole boat lifts and flys evenly, just punch it and drive it. Stays level and somewhat controllable. Gotta be able to control it if your staying on the throttle for very long.
83 V-King, 96 Mariner, 200 hp ff block 2.5 w/a 28p choppa
We gotta clean this liberal mess up, VOTE TRUMP TO MAGA!
Rebuild thread:
http://www.screamandfly.com/showthre...-it&highlight=
http://www.screamandfly.com/showthre...cs.&highlight=
Videos
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01-31-2013, 11:35 AM #22
There's too many factors to know what's best until you try them all. Each setup is a little different. With my XT, I found that I had to hang the bow really high with the ET before it would break 85, whereas the cleaver ran low and flat, and pulled through the mid 80's with relative ease.
'89 Hydrostream Vegas XT, '90 Merc 2.4 Bridgeport PCU EFI
My YouTube videos________My Flickr photo gallery
http://www.facebook.com/profile.php?id=1706097519
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01-31-2013, 11:48 AM #23
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01-31-2013, 01:19 PM #24
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01-31-2013, 01:22 PM #25
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01-31-2013, 01:59 PM #26
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01-31-2013, 07:58 PM #275000 RPM
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01-31-2013, 08:41 PM #28
i have owned 2 2.5s, 3 2.0s and a 2.4 in the last 2 years and there is a 2.5 on beefs bench in my shop. I'm not a hater Im not THAT racist Bang for buck a 2.5 200 is hard to beat especially when you can grab them for $500 bucks with one low hole.
I think its funny that some diehards actually believe their "brand" is above the rest. Being different is fun but competition is key!
KevinLast edited by baja200merk; 01-31-2013 at 08:46 PM.
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01-31-2013, 08:50 PM #29
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01-31-2013, 09:13 PM #30
It's not really a true "blowover" risk, but it begins to kite the bow (sudden rapid aerodynamic rise) around 88 mph if it's hung too high with trim.
I also experienced this with the cleaver, but mostly above 90.'89 Hydrostream Vegas XT, '90 Merc 2.4 Bridgeport PCU EFI
My YouTube videos________My Flickr photo gallery
http://www.facebook.com/profile.php?id=1706097519