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Another build dyno'd today. Whippled 509.

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Another build dyno'd today. Whippled 509.

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Old 01-20-2015, 07:59 AM
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very impressive to say the least! junk heads, small cubes and a small carb. says a lot for the the whipple.
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Old 01-20-2015, 08:02 AM
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Originally Posted by MILD THUNDER
This carb really isnt "under boost" so to speak. Its still a draw thru. Now, on a procharger setup, heck ya. You can make 1200+hp with a single 4150 carb.

On this particular engine, while it made very good power, I would have like to seen it get pulled with a 1050 or 1150 dominator. I'd be willing to bet a case of beer the numbers would have picked up a little.
Does the 850 still have the choke tower on it?
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Old 01-20-2015, 08:15 AM
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Very good numbers. Awesome job.
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Old 01-20-2015, 09:30 AM
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Originally Posted by Knot 4 Me
Does the 850 still have the choke tower on it?
it still has the electric choke.
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Old 01-20-2015, 10:14 AM
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Who would think that kind of low speed torque is possible with rectangle port heads.
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Old 01-20-2015, 12:11 PM
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Great build
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Old 01-20-2015, 12:34 PM
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Holy Crap, great job!!!
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Old 01-20-2015, 12:55 PM
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How much length does the Whipple add to the engine? My compartment is TIGHT.
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Old 01-20-2015, 01:15 PM
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Nice job guys! I'll bet a 1050 would have added 25+hp.
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Old 01-20-2015, 01:24 PM
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Originally Posted by mike tkach
no need to run the a/f ratio in the 10s at this hp level.it is leaving the dyno with a safe tune that will no doubt be ritcher in the 5500 lb boat.it will have the a/f ratio checked on the madin voige.yes,imo the carb&flame arrester are to small but it is what he had.the heads had the valve job and bowl blending done on a neuen cnc head machine and i believe that helped a lot with the numbers.when it is in the owners budget it will get a set of afr305s and a much larger carb.it was run on bp 93.
Mike how will you check afr's on a carbureted engine?
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