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Old 08-29-2009, 03:07 PM
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engine advice

Hi! I am looking for 350 chevy engine specs. for a blower motor. Looking for that awesome blower hunting whining sound! What should the basic engine components be. GM crate 4 bolt main be a good start? Thanks Wayne
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Old 08-29-2009, 05:05 PM
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that all depends on what the gm 4bolt main crate short block or motor is, for a blower i would suggest all forged internals, crank, rods, pistons, and a compression ratio of less than 8.5:1
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Old 08-29-2009, 07:15 PM
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re engine advice

thanks! I will look for forged components and lower compression. Do you know which type of blower makes that hunting up and down idle sound? Or is it the blower and cam combo? Thanks again!


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Old 08-29-2009, 07:51 PM
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the up and down idle is from a the cam, but of coarse the wine sound in from the blower, blower type depends on how much power you want to make, a nice 8-71 weiland is a great blower but will make some serioius power, your talking easily 600hp from a 350, and to make that kind of power out of a 350 it will have to be build right, your easily talking a 12k+ motor, blower alone will be 4k+, then you have the smaller blowers like a 177 from holley, it will still make 500+hp from a 350, i think you would be better of finding a good machine shop in your area that deals with building motors as well an talk to them, gm makes some nice short blocks but im not sure i would want to put a blower on them

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Old 08-29-2009, 08:10 PM
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if you just want the whine you can save alot of money and get a "noisey" set of gears instead of a timing chain.

http://www.jegs.com/InstallationInst.../555-20326.pdf

http://www.youtube.com/watch?v=nbS3X..._embedded#t=14

the whining comes from straight cut gears
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Old 08-29-2009, 09:02 PM
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i would not advise that, not many i have meet have been pleased at all with "noisey gears"
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Old 08-29-2009, 09:47 PM
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re re engine advice

I agreed, I really don't care for gear drive noise, just like the up and down sound of the idle. some do and some don't, it must be more from the cam. I have a 383 with 286 cam .490 lift, pretty good sound but not the same!
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