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Author Topic: boost issues with forge dv  (Read 16703 times)

Offline SteveS

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Re: boost issues with forge dv
« Reply #30 on: May 06, 2009, 11:59:24 am »
cheers mate,
next steps;
> fit correct nipple!!
> remove spacer, pending shorter bolts!!! GRRRR
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Offline dan.payne

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Re: boost issues with forge dv
« Reply #31 on: May 06, 2009, 12:02:22 pm »
Looks the same as my setup.



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Offline SteveS

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Re: boost issues with forge dv
« Reply #32 on: May 06, 2009, 12:09:25 pm »
indeed, bottom to bottom of solenoid under plug. top to top of solenoid. end of solenoid to vacuum tap..
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Offline SteveS

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Re: boost issues with forge dv
« Reply #33 on: May 06, 2009, 07:28:01 pm »
well i got the nipple from forge when i got home.
decided to do a quick fit, quite hapyp with myself, all done in like 45-60mins! usually takes me ages to take the engine over off!

anyways, put the bigger nipple on and checked the spacer and dv, apart from it looking a little! oily on the flange, it all looked ok, cleaned it up anyways and stuck it back..

car seems to maybe be a bit better, but i still feel in second it doesnt wheel spin like mad like it useto when foot right down...

i have a guage coming so i will fit that at the weekend maybe and see what it says...

id love to go back to standard to see but its soo much hassle getting that vacuum tap off again! no room to work!
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Offline WhiteGTI

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Re: boost issues with forge dv
« Reply #34 on: May 13, 2009, 03:30:22 pm »
Sorted this out yet Steve?  :smiley:
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Offline SteveS

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Re: boost issues with forge dv
« Reply #35 on: May 13, 2009, 03:51:24 pm »
WEll after speaking with Forge, they have sent me a NEW DV and Spacer to try.
Nice service! but not holidng my hopes.
I have my guage now, so i am going to fit that first see what i get then try new dv with and without spacer :)
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Offline chungster

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Re: boost issues with forge dv
« Reply #36 on: May 13, 2009, 10:54:49 pm »
are there any more holes in the aluminium T piece (vacuum pipe take off?)

If there are, are they blanked off with a grub screw?

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Offline SteveS

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Re: boost issues with forge dv
« Reply #37 on: May 13, 2009, 11:04:48 pm »
yea correct , 3 holes
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Offline chungster

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Re: boost issues with forge dv
« Reply #38 on: May 13, 2009, 11:06:19 pm »
Quote from: SteveS on May 13, 2009, 11:04:48 pm
yea correct , 3 holes

2 blanked off?

1 to feed DV?

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Offline SteveS

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Re: boost issues with forge dv
« Reply #39 on: May 16, 2009, 03:07:23 pm »
thats right.
now i have one blanked with a grub screw as the other is for the boost guage..

got mine in today, just went for a run, seems in 1st boost doesnt get very far round the dial. in 2nd and 3rd, it reaches 20-21 if im lucky. mostly just under the 20.. which is 1.37bar.. could MAYBE be an issue, but not a big one at all... im hoping for 21 at least 1.44bar.
shame i didnt have this before i put the dv on. im going to put the origi back and see what i get..
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Offline chungster

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Re: boost issues with forge dv
« Reply #40 on: May 16, 2009, 03:48:57 pm »
hmm never really seen what mine does in 1st, too busy keeping the thing in a straight line!

but it hits 21psi in all other gears under WOT.
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Offline SteveS

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Re: boost issues with forge dv
« Reply #41 on: May 16, 2009, 04:58:08 pm »
right, just noted down some more

standard dv = 22 even just hit 23 psi!!!
standard dv and spacer 21-22

spacer lost a psi!!

now i have to try the new DV...
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Offline SteveS

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Re: boost issues with forge dv
« Reply #42 on: May 16, 2009, 06:08:14 pm »
well tried new dv with solenoid and tubing. (seemed stiffer than the tubing i had on the old forge dv?)

outcome............  not what i wanted or expected but let down...

20-21psi... nowhere near 22... so

the forge dv just DOESNT work for me.... stock produces better results!

i have emailed forge back, both uk and usa who have been onvolved. I have a feeling they will want to post me the next tension spring to try... however... will it open enough with such a spring!!
« Last Edit: May 16, 2009, 06:41:22 pm by SteveS »
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Offline yin

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Re: boost issues with forge dv
« Reply #43 on: May 17, 2009, 02:41:15 pm »
Are you running with  a green  spring? as mine runs a lot better with the yellow spring in.

Post corrected
« Last Edit: May 17, 2009, 03:09:27 pm by yin »
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Offline SteveS

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Re: boost issues with forge dv
« Reply #44 on: May 17, 2009, 02:44:02 pm »
yeah im using yellow,
green is the standard spring, up to like 15psi, the yellow is for like 15-23 i think
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