vf39 1 week evaluation
Posted: Thu Jan 13, 2005 1:30 am
so as many of you know i got a vf39 put in and running now.
so after a week of driving around i can finaly say that its pretty worth it. boost comes on at around 2700 rpm in a 4eat with a fmic. with stock boost control in use it will hit up to 15psi without a air filter. doing this i hit the fuel cut a few times. 3/4 throtle in third will sustain 14 psi filterless. i blew off one of my ic pipes doing this at 110+ mph going uphill.
now i have a piece of nylon stocking as a filter. this brought down my max boost to 13 psi with a sustained 12 psi at wot in second. sometimes it spikes at 14 psi and settles down.
compressor surge has become an issue,or so it would seem. i just bought a txs flange to put on the stock wrx valve on. i hope to have on tomorow.
running filterless the car flies. with the filter on it, it pulls a little better than stock.
all this is on a stock exhaust with muffler. downpipe dump comming soon.
ill be hittin cobbs mustang dyno. in the spring for final hp numbers and ill also be at the track for final numbers too.
so after a week of driving around i can finaly say that its pretty worth it. boost comes on at around 2700 rpm in a 4eat with a fmic. with stock boost control in use it will hit up to 15psi without a air filter. doing this i hit the fuel cut a few times. 3/4 throtle in third will sustain 14 psi filterless. i blew off one of my ic pipes doing this at 110+ mph going uphill.
now i have a piece of nylon stocking as a filter. this brought down my max boost to 13 psi with a sustained 12 psi at wot in second. sometimes it spikes at 14 psi and settles down.
compressor surge has become an issue,or so it would seem. i just bought a txs flange to put on the stock wrx valve on. i hope to have on tomorow.
running filterless the car flies. with the filter on it, it pulls a little better than stock.
all this is on a stock exhaust with muffler. downpipe dump comming soon.
ill be hittin cobbs mustang dyno. in the spring for final hp numbers and ill also be at the track for final numbers too.