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99BlackSandv6 - SolaraGuy Street Racer
- Posts: 1973
- Joined: Sat Sep 27, 2008 4:37 pm
- Location: P-burg, WV

michaelr295 wrote:14.9 is rich
to much fuel at top end
like between 3000 rpm and 5600rpm
hskrsolara wrote:michaelr295 wrote:14.9 is rich
to much fuel at top end
like between 3000 rpm and 5600rpm
you do understand what "a/f" means?
You had 14.9 parts of air to 1 part of fuel. At WOT, that is LEAN!!! Our normal a/f only gets up to 14.7 at cruising speed.
By getting it down to 11:1, you have 11 parts fuel and 1 part air. You are using MORE fuel than before, and the same amount of air. Now you are running RICH. Most of us aim for 12.5:1.
hskrsolara wrote:michaelr295 wrote:14.9 is rich
to much fuel at top end
like between 3000 rpm and 5600rpm
you do understand what "a/f" means?
You had 14.9 parts of air to 1 part of fuel. At WOT, that is LEAN!!! Our normal a/f only gets up to 14.7 at cruising speed.
By getting it down to 11:1, you have 11 parts fuel and 1 part air. You are using MORE fuel than before, and the same amount of air. Now you are running RICH. Most of us aim for 12.5:1.
michaelr295 wrote:so first dyno run with out safc was 150 hp/178 tq
second run with safc tunned!!!!!!!!
i made 157hp/178tq ya so i am happy
and um i do believe i estimated 10 to 15 hp gain
guess i kinda know what i am talking about
michaelr295 wrote:so first dyno run with out safc was 150 hp/178 tq
second run with safc tunned!!!!!!!!
i made 160hp/180tq ya so i am happy
and um i do believe i estimated 10 to 15 hp gain
guess i kinda know what i am talking about
michaelr295 wrote:and um i do believe i estimated 10 to 15 hp gain
guess i kinda know what i am talking about
jetbtkng wrote:an safc is really for us sc'ed guys, on an na car i dont think its going to do much, do you have headers, bigger fuel injectors, & your an auto, if your truly at 151hp, i think 3-5 hp gain, imo, but what the hell do i know, im an old senile, pot smoking semi drunk, lol..............
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