Minty_Fresh
Member
Registered: 1st May 08
Location: westmidlands
User status: Offline
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ive got a power boost valve on my 1.4 16v sri is it worth having? or is it only worth having if the car is setup properly..
modifications to engine are
power box inlet
cams
4-2-1 manifold + exhaust
panel filter
and im getting roughly 70miles to £20 (steady driving with the odd heavy right foot)
it smells strong of fuel, but im guessing it may be the boost valve feeding alot more fuel then it should?
also the sensor just after the air box is missing, ive asked my mate and he said its because its got a chip in it or something, but he said plug it back in..
any ideas
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lwigmore
Member
Registered: 18th Nov 07
Location: Sawtry Huntingdon Drives: Saxo VTS
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as far as i have heard, power boost valves are a waste of time as they just use up all your fuel all the time 
i'd recommend to take it out and see if it stops smelling of fuel and using so much fuel up aswell
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Minty_Fresh
Member
Registered: 1st May 08
Location: westmidlands
User status: Offline
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would i just put a fuel regulator in its place?
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Ellis
Member
Registered: 11th Sep 07
Location: Aberdeenshire
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Yeah just put a standard FPR in it's place, made my mates GSi run like a bag of nails that aftermarket job
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Minty_Fresh
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Registered: 1st May 08
Location: westmidlands
User status: Offline
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i spoke to jamie at jamsport and karl at norris motorsport today (NMS)
they didnt say they was shite, just said well we can set that up for you so its running correct, will double check with them soon before i take it down whether i should get a standard regualtor but if not maybe there only shite when not setup correctly..
i just want to get more mpg from it 
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johnhara1
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Registered: 19th Oct 06
Location: Newcastle upon Tyne
User status: Offline
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Put the standard FPR back on.
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Simon_16v
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Registered: 14th Aug 06
Location: Yorkshire
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quote:
Originally posted by mk4_boy
i spoke to jamie at jamsport and karl at norris motorsport today (NMS)
they didnt say they was shite, just said well we can set that up for you so its running correct, will double check with them soon before i take it down whether i should get a standard regualtor but if not maybe there only shite when not setup correctly..
i just want to get more mpg from it
All they will do it just turn it down. All a power boost valve is, is an adjustable fuel regulator. But on a small engine with mild tuning shouldn't need much more fuel.
So either pay someone to sort your's out of get a standard fpr
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Minty_Fresh
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Registered: 1st May 08
Location: westmidlands
User status: Offline
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well i went it setting up properly etc, so probly taking it to jamsport..
£162 for full setup and tune on the rollers..
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Steve X16XE
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Registered: 31st Dec 06
Location: Barnsley, South Yorkshire
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I've just got 140 miles to £20 and i'm by no means a slow driver. That works out at 28.6 MPG which is really low as i'm normally getting 33 MPG but it is service time.
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Minty_Fresh
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Registered: 1st May 08
Location: westmidlands
User status: Offline
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found out the problem, spoke to the previous owner and he said its set at 4.5 bar :O so there we go, but injectors need cleaning he said so..
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stafford61
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Registered: 1st Nov 08
User status: Offline
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the 1.4 16v engines run at 3.0 bar give or take 0.2 bar if u get a gauge on it
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Minty_Fresh
Member
Registered: 1st May 08
Location: westmidlands
User status: Offline
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run on 3 bar? they should be running around 1.5 bar mate, tuned one maybe 2.0 bar, fully blown rs turbo only run at 3 bar..
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