Power FC 550cc primary 1680cc secondary

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Oct 3, 2012 | 09:32 AM

xshawn801x

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From: SL, UT

550cc primary 1680cc secondary

Is this tunable? I have a few people telling me I need to upgrade my primary's to 850s but I wasn't sure.

Oct 3, 2012 | 01:33 PM

thewird

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Leave the primaries alone. Its fine.

thewird

Oct 3, 2012 | 01:49 PM

xshawn801x

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So it will be able to be tuned just fine with those injectors? Thanks man

Oct 3, 2012 | 01:51 PM

thewird

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Yes, zero issues.

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Oct 5, 2012 | 10:09 PM

cewrx7r1

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From: In A Disfunctional World

Who is it out there still saying to use stock 850s in the primaries for a street car?
These idiots need to be stopped!

Oct 5, 2012 | 10:24 PM

xshawn801x

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Haha I'll tell them. They just said there might be to big of a gap between the injectors making it hard to tune. I have no clue about tuning so....

Oct 7, 2012 | 06:35 AM

Banzai-Racing

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They are wrong and if they are the ones tuning your car consider taking it somewhere else.

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Oct 9, 2012 | 08:07 PM

shawnk

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From: Seattle, Washington

I have 550/1680 setup and have no issues tuning at all....

Oct 10, 2012 | 08:18 AM

CloudPump

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From: Toronto

Over the winter I'll be leaving my stock 550's in and putting in 1680 secondaries.

I did my reasearch and made this choice because of its EASE of tuning the idle and for driveability on the street.

-Geoff

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