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Question for Blower Motor Guys

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Old 03-16-2004, 10:12 PM
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LPA2106
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Default Question for Blower Motor Guys

....if you had to do it over again...would you go with blown engines and everything that goes with the decision or would you select a normally aspirated engine(s)...

....in oter words...are blown engines worth the expense and potential headaches? Or are they easier to work with than I have been led to believe and no more trouble than say a HP500 or HP 525??
 
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Old 03-17-2004, 12:44 AM
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I have twin 525 hawk blower motors in a Top Gun.
They run great, have to change the oil more often
than non blower motors. They idle at 700 & are very smooth. I'm very happy with the blower set up.

Would i do it again ? YES.

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Old 03-17-2004, 01:08 AM
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Old 03-17-2004, 03:34 AM
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I am ready to do it again . Just will be fuel injection on the 500 efis this time . I still like the roots style better but I am familiar with it more.
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Old 03-17-2004, 06:07 AM
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I'm on my 3rd blower motor. (no none of them blew up before)
Each motor has gotten stronger and bigger is all.

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Old 03-17-2004, 09:20 AM
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Yes, blowers for me!
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Old 03-17-2004, 09:57 AM
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In a minute. Ran 3 yrs on a Whippled 454 mag efi- flawless.

Now have a 575SCI which was in the used boat I bought. Dustin helped me squeeze this to 650 without an intercooler (no room to go up).

I just discussed with him yesterday a hybrid system and cam change for the 575 that will be efi and make 775/800 reliably.

While plenty do it and are happy, I would not run any "Performance" engine without the safeguards of modern efi/computer control/knocksensors etc. too much cool stuff going on behind the scenes to keep my investment safe and reliable.
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Old 03-17-2004, 10:06 AM
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Default Re: Question for Blower Motor Guys

Quote:
Originally posted by LPA2106
....if you had to do it over again...would you go with blown engines and everything that goes with the decision or would you select a normally aspirated engine(s)...

....in oter words...are blown engines worth the expense and potential headaches? Or are they easier to work with than I have been led to believe and no more trouble than say a HP500 or HP 525??
This is silly, nobody ( who has experience) "wants" blowers they $UCK ! But if ya need #'s above 800 there are no "real" options, so whats your point ? PLEASE NO TURBINE WHAT IF'S ! I've looked into them thats a whole nother can a worms
 
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Old 03-17-2004, 11:29 AM
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Today's SC applications are better than ever before. EFI allows us to infinitely tune the engines to perfection. Never before could you build a reliable 1200HP 91 octane engine that actually idles and doesn't load up in the rough. Now, we can do them easily, and are working on a 1500. The life expectancy is also greatly increased, as we will get 100+ hrs, before freshening, and this is with a hydraulic roller camshaft. Definitely go SC.

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Old 03-17-2004, 11:54 AM
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A PROPERLY set up blower engine will give you as good of reliability as a nat asp engine. But remember there is the general maintenance issue here, as with any N/A engine.
Knowing what I know now about the S/C engs, I would have a hard time settling for a nat/asp setup. My advise to you is that you should talk to some people that have blower engs, and run them day after day, week after week, and just follow a regular maintenence schedule, and are on the water ALL the time.
Don't listen to the guys that limp in on one engine and ***** about how unreliable their blower engs are. Oviously..... they're listening to the WRONG people, otherwize they'd be in the water and not in the shop.

We have alot of "seasoned" veterans here with S/C engs and I'm sure you'll get some good advise. All you have to do is follow the right path.
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