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Has anyone used these engines?
- hausherrs
- First Mate
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- Vessel Info: 1996 Carver 400
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Has anyone used these engines?
I’m just curious. I’m not there yet. But under $6k list for a couple reman long blocks I could maybe do it sooner than later. I have 1800 hours on mine.
They have a 330 HP crusader option that would be a direct replacement. But they "Encourage" you to go with the 420hp engine option. Of course my puny TBI wouldn’t net anywhere near that.
What are thoughts and experiences with something like this?
Thanks
Steven
96 400 w/Crusader 454xli
- MakinTime
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Re: Has anyone used these engines?
- waybomb
- CYO Moderator
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1987 3697 Carver Mariner
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Re: Has anyone used these engines?
But it's not just the cost of the engines. Props will be needed. Do your transmissions handle the extra torque? You will be happy with the speed,so you'll use more throttle, and as a result more fuel. You'll need different injection. Maybe different exhaust. And who knows what else. And, more horsepower means less usable life.
1800 hours is a darn good track record. Stick with stock and spend the saved money on some good scotch and cubans!
Fred
1969 Glaspar Avalon /1969 Johnson Electromatic 85
1987 Carver Mariner
1988 Cougar Kevlar 46' with triple blown 572 ci
1995 Boston Whaler Rage
Past - 1988 2807, 1989 4207 Aft
- km1125
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Re: Has anyone used these engines?
If you stayed at 330 though, perhaps you'd have a much larger margin to the rated output of the components and perhaps less risk of breakage?
- hausherrs
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Re: Has anyone used these engines?
But the throttle body CFM and Injector size will limit HP. I think the 330s are the way to go. I think they offer them for $2600 each before freight.
Less breaking is better than more HP when we are talking about boats
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Suspicious Fishes !
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Re: Has anyone used these engines?
If you could see the dyno curve, you would most likely see that you would receive little benefit from the higher horsepower for average cruising in a 40' aft cabin.
But you can't discount the bragging rights.
- bud37
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Re: Has anyone used these engines?
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Re: Has anyone used these engines?
bud37 wrote:Source of the post ....overlap.... I was under the impression that this was one of the reasons for exhaust reversion causing water ingestion in some installations....
Correct. If you change the valve overlap spec, you may need to modify the exhaust system. Merc came out with resonators that get installed inside the exhaust hose just after the elbow for higher HP apps. One of its functions was to help smooth out the reversion pulses in hopes of minimizing ingestion.
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