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BBC 174 supercharger

Old 09-30-2014 | 08:17 PM
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Default BBC 174 supercharger

Comes with intake, charger, thermostat relocater, belt, pulleys. Everything is there to bolt on and go. I bought for my boat but going a different direction.

$1600 plus shipping
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Old 10-02-2014 | 06:02 AM
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Also comes with Nickerson dominator carb
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Old 10-08-2014 | 12:16 PM
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Have a number? Guy at work looking for one
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Old 10-10-2014 | 09:53 AM
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Hey big bird is it for oval or square port? Thank you
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Old 10-10-2014 | 11:21 AM
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Square
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Old 10-10-2014 | 11:28 AM
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Do you know if that's big enough for a 502 with grumpy jenkins 345 cc intake runners? Does anyone here know? If it will work I'll take it. I see 177 's also for bbc
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Old 10-10-2014 | 12:00 PM
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Originally Posted by georgie1
Do you know if that's big enough for a 502 with grumpy jenkins 345 cc intake runners? Does anyone here know? If it will work I'll take it. I see 177 's also for bbc
We put a 174 blower on a 516 last year and a 509 this year. With the pulley that came with them the blower would only make 1/2 lb of boost. With the smallest pulley we could get it will make 3-3/12 lbs.

That's with gm 088 heads.
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Old 10-10-2014 | 12:07 PM
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Ok so probably not enough boost then. Thank you
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Old 10-10-2014 | 02:12 PM
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Originally Posted by georgie1
Ok so probably not enough boost then. Thank you
From what I was told by the guy at the engine shop[ when the one engine was on the dyno the heads do not determine the boost. It is the engine's displacement vs. the blower's displacement and rpm.
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Old 10-10-2014 | 09:50 PM
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I personally feel blower size is relevant to cubic inch, but also HP level. A 454 with peanut port heads, stock manifolds and a rv cam wont require the same blower as one with fully ported cnc heads, 700 lift cams, and headers. A poor flowing 454 engine will see higher boost than a good flowing 454 at xxx drive ratio.
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