Colder weather- upjet or downjet?

Gunther McCilicutty /

gettin colder outside and I have heard the answer to this question a few times but I forgot.

Re: Colder weather- upjet or downjet?

up jet

Re: Colder weather- upjet or downjet?

As air cools it gets denser. higher air density means you need more fuel to keep the right mixture.

Re: Colder weather- upjet or downjet?

Gunther McCilicutty /

got it...I just put in a 74 and it ran great...the 70 was starting to sound really lean. Don't worry I plug chopped.

Re: Colder weather- upjet or downjet?

Good question. And good explanation Paz. Thanks.

Re: Colder weather- upjet or downjet?

Small Springs make Big Falls.

Spring = Down Jet.

Fall = Up Jet.

Re: Colder weather- upjet or downjet?

so if i am 4 stroking at winter i will 4 stroke worse in summer ? if that's right it might be the time to re jet

Re: Colder weather- upjet or downjet?

) Cupermcnewbster ( /

opposite of daylight savings time. You could do it on the same day too!

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