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-   -   vafc is kinda shitty but it runs (https://www.homemadeturbo.com/engine-management-10/vafc-kinda-shitty-but-runs-40136/)

Ravage70 05-26-2005 07:58 AM

vafc is kinda shitty but it runs
 
I installed some rx7 injectors with the resistors yesterday and when i was trying to make it idle right i had to take it all the way up to -15

i thought i was supposed to be ok at -40 but i guess not
and from 1000 to about 2000rpm the engine doesnt like to stay at a constant speed

1000 > -15
1500 > -35
2000 > -41
3000 and rest > -42

TurboEF9 05-26-2005 08:44 AM

Re: vafc is kinda shitty but it runs
 
Engine Management FAQ, Section 2, Question 4

Ravage70 05-26-2005 09:10 AM

Re: vafc is kinda shitty but it runs
 
ya i read that before
i guess -15 ownz me


TurboEF9 05-26-2005 02:10 PM

Re: vafc is kinda shitty but it runs
 
What size are your injectors?


Dr.Boost 05-26-2005 05:46 PM

Re: vafc is kinda shitty but it runs
 
Jesus, -15 on anything near 450cc injectors is going to be some rich ----. :-X
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TurboEF9 05-26-2005 07:08 PM

Re: vafc is kinda shitty but it runs
 
Ya.. which makes me wonder what size he has.. and if he's doing the flow difference incorrectly.

Ravage70 05-26-2005 11:15 PM

Re: vafc is kinda shitty but it runs
 
465cc injectors
i got it to -20
its rich but its steady
otherwise it sounds like i have a big cam

TurboEF9 05-27-2005 04:38 PM

Re: vafc is kinda shitty but it runs
 
So basically, instead of fixing what is probably a vacuum leak, you're drowning your cylinders in fuel so it will idle? Hrm..

FooK 05-27-2005 06:51 PM

Re: vafc is kinda shitty but it runs
 

Originally Posted by TurboEF9
So basically, instead of fixing what is probably a vacuum leak, you're drowning your cylinders in fuel so it will idle? Hrm..

thats how they tune in the land of ghetto.

Ravage70 05-27-2005 11:46 PM

Re: vafc is kinda shitty but it runs
 
i never thought about a vaccuum leak (maybe from the ghetto modified seals) but my guage reads 25ish vac
its probably cuz the timing is still stock, ill retard it tomorrow


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