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Dellorto DHLA velocity stacks  Rating:  Rating
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 Posted: 05-15-2011 10:12 pm
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francisg
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Does anyone have a suggestion for an optimum size/length of the Velocity stacks to be used for the twin DHLA 40 carburetor on a stock motor for optimum performance? i have seen 20mm stacks all the way to 150mm. What is best and where is a good source. Thanks to all.

FG

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 Posted: 05-16-2011 03:21 pm
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subwoofer
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I would go with the stock length, roughly 40mm. This is what Lotus put on them in combination with their airbox, and should be a good match to the power band.

--
Joachim

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 Posted: 05-16-2011 03:49 pm
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Jensen Healey
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http://www.velocity-of-sound.com/velocity_of_sound/calculator3.htm

Kurt

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 Posted: 05-16-2011 09:09 pm
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francisg
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Thanks to all for the help. I guess i will stick with the stock size, if i can only find some.

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 Posted: 05-16-2011 10:50 pm
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Jensen Healey
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http://www.cbperformance.com/catalog.asp?ProductID=512

These are for the DRLA but only need the holes modified to fit.

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