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dude i think i know why your car doesnt have the 5k rpm thing. ok
first, the butterflies which control that are located under your
black plastic 2.5 pgm-fi cover. if you look under that, you dont
have to remove it or anything, you can see a thin thing with 2
gaskets around it sandwiched in btw the intake manifold and the
throttle body. look back (like close to the firewall) and you'll
see the diaphragm assy which controls the openening and closing of
these butterflies.
http://www.acuraautomotiveparts.org/acura/jsp/mws/prddisplay.jsp?
inputstate=5&catcgry1=VIGOR&catcgry2=1992&catcgry3=4DR+GS&catcgry4=KA
5MT&catcgry5=INTAKE+MANIFOLD
here is a pic of everything, figure 13 is the 5k opening unit.
check vaccuum lines, and make sure if you used an aftermarket hose
to your cone filter that all vaccuum lines are hooked up to that.
there must be a bad vaccuum connection somewhere. start your car
and try to open the butterflies by the diaphragm assy near the
firewall. it looks like the spring/butterfly assy on the throttle
body, just a little smaller. see if you can open it when the car is
running, if you cant with moderate pressure, then you have good
vaccuum pressure and the whole thing should work. if you can open
it, you may have a leak or a bad component somewhere. if youre
wondering about how much you should have to push on it to move the
spring, disconnect the vaccuum line or try moving it with the car
off. let me know what you find im curious as to why it doesnt
work. the most plausible reason i think is a vaccuum line was
accidentally disconnected or left open when you put your intake on.
one interesting thing i found while poking around back there in my
vigor is if you disconnect the vaccuum line, open the butterflies
and then reconnect the vaccuum line (while the car is running), the
diaphragm assy holds the butterflies open. comparable to running
off of all 4 barrels instead of just 2 all the time. sucks gas but
improves throttle response.
> Dude please help!! my vigor use to do that till i
put
> on a cone filter.did it stop the 5k power mark or is something
else
> wrong ???? please help Thank-you Tom
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