Welcome, Guest. Please login or register.

Login with username, password and session length

Lipscomb Abarth

« previous next »
Pages: [1]

Author Topic: Blow off mod (how to) inc's sizes and whats needed  (Read 955 times)

barwell1992

  • Esseesse Member
  • ***
  • Posts: 162
Blow off mod (how to) inc's sizes and whats needed
« on: December 04, 2011, 10:56:37 PM »
Just done this to night after waiting for 9 days for demon tweeks to send me the filter and bung (more on this later)

any how

what you need is
28mm OD bung
28mm ID filter (pipercross is perfect, part number is MPX1011) < to get cheep read below 04/12/2011
28mm ID tubing
and some hose clamps

first things first, on the AGP the engine cover and other bits are in the way for most filters and you need a decent sized filter or the it will restrict the dump valve and cause more lag than the standard system.

so i decided to go for a forge item although was skeptical about its size so ordered item (FORFMIL28) from tweeks and to cut a long story short they sent me a piper cross moped filter instead thats much bigger in size but has the same 28mm neck and its element is entirely made out of  foam so fits round all the engine cover parts ext and wont cause any problems with flow.

I paid £10 for the filter and is supposed to be £15+ so order the above part number now if you want one.


The tube sizes on the AGP are 28mm not 25mm like the a500

so you will need a 28mm plug (samco sell them cheep in ally)
ebay is your friend for tube buy ASH tubing get a 45o bend for £5ish and you get more than the straight sections and just cut to size and keep the rest spare.

I removed all the standard tubing and fitted the plug close to turbo inlet and filter straight on top of dump valve.

seems to have reduced the dip a bit at 4k but not a lot, cant feel any other changes.

Pics below

fitted

bung

filter

Logged
59, AGP white and red with TMC and BMC with blow off mod

woody

  • Esseesse Member
  • ***
  • Posts: 124
Re: Blow off mod (how to) inc's sizes and whats needed
« Reply #1 on: December 08, 2011, 10:25:20 PM »
Good work, thanks for the write up - considering the same for my mito, same engine!

Just woundering about insurance side of things though :-/
Logged

barwell1992

  • Esseesse Member
  • ***
  • Posts: 162
Re: Blow off mod (how to) inc's sizes and whats needed
« Reply #2 on: December 09, 2011, 10:54:54 AM »
No problem, and insurence shouldn't be an issue as it didn't increase power

I'm doing tests at the moment to see if there's actually any difference 
Logged
59, AGP white and red with TMC and BMC with blow off mod

JamesSS

  • Esseesse Member
  • ***
  • Posts: 172
  • Road Rage
Re: Blow off mod (how to) inc's sizes and whats needed
« Reply #3 on: December 19, 2011, 02:07:50 PM »
Just to make sure I get this, before embarrassing myself (as I'm not hugely clued up on stuff); basically you've changed from recirculating to VTA (atmospheric), right?

Where's the MAF sensor positioned? Because if it's positioned before the DV and you've changed it from recirculating the air to dumping it, won't the sensor be fueling for more air? Essentially you'll be running rich on shifts? Not 100% but that's what I'd be guessing, unless the TMC box compensates for this some how, but I wouldn't have thought it was possible. ???

Let me know if I'm way off though, 'cause I'm always interested in stuff like this :thumb:
Logged

barwell1992

  • Esseesse Member
  • ***
  • Posts: 162
Re: Blow off mod (how to) inc's sizes and whats needed
« Reply #4 on: December 19, 2011, 07:29:18 PM »
its after the dump valve after the throttle body right near the engine block wheres the dump valve is before the throttle body by the boost pressure sensor
Logged
59, AGP white and red with TMC and BMC with blow off mod

JamesSS

  • Esseesse Member
  • ***
  • Posts: 172
  • Road Rage
Re: Blow off mod (how to) inc's sizes and whats needed
« Reply #5 on: December 19, 2011, 08:02:39 PM »
Quote from: barwell1992 on December 19, 2011, 07:29:18 PM
its after the dump valve after the throttle body right near the engine block wheres the dump valve is before the throttle body by the boost pressure sensor

Makes sense then! Looks like a cheap, but decent aesthetic mod, might look into it. :)
Logged

brads91

  • Esseesse Member
  • ***
  • Posts: 147
  • APE
Re: Blow off mod (how to) inc's sizes and whats needed
« Reply #6 on: December 19, 2011, 09:25:17 PM »
this caused any problems? Any performance change and what is the noise like from it? I am very interested into looking into doing this.
Logged
Now - Grey Abarth Punto Evo with Sabelts
Before- White Abarth Grande Punto EsseEsse

barwell1992

  • Esseesse Member
  • ***
  • Posts: 162
Re: Blow off mod (how to) inc's sizes and whats needed
« Reply #7 on: December 19, 2011, 09:57:12 PM »
no problems so far have taken it of and put back on a few times and done some long journeys and no difference at all in performance the noise is weak on a standard AGP but with the TMC sounds better and is quite loud (can her it with music at high levels )

just dont get a filter to small and you wont have any problems
Logged
59, AGP white and red with TMC and BMC with blow off mod

brads91

  • Esseesse Member
  • ***
  • Posts: 147
  • APE
Re: Blow off mod (how to) inc's sizes and whats needed
« Reply #8 on: December 23, 2011, 05:05:31 PM »
any videos of the noise and installation??  :thumb:
Logged
Now - Grey Abarth Punto Evo with Sabelts
Before- White Abarth Grande Punto EsseEsse

barwell1992

  • Esseesse Member
  • ***
  • Posts: 162
Re: Blow off mod (how to) inc's sizes and whats needed
« Reply #9 on: December 23, 2011, 05:22:10 PM »
No can try and get one though
Logged
59, AGP white and red with TMC and BMC with blow off mod

brads91

  • Esseesse Member
  • ***
  • Posts: 147
  • APE
Re: Blow off mod (how to) inc's sizes and whats needed
« Reply #10 on: December 23, 2011, 05:44:20 PM »
would be much appreciated  :thumb: would you say it would make a difference that mine is ss??
Logged
Now - Grey Abarth Punto Evo with Sabelts
Before- White Abarth Grande Punto EsseEsse

barwell1992

  • Esseesse Member
  • ***
  • Posts: 162
Re: Blow off mod (how to) inc's sizes and whats needed
« Reply #11 on: December 23, 2011, 07:03:48 PM »
ss runs more boost
more boost = more noise but wont be far off what mine sounds like as mines TMC'd so running higher boost any way
Logged
59, AGP white and red with TMC and BMC with blow off mod

brads91

  • Esseesse Member
  • ***
  • Posts: 147
  • APE
Re: Blow off mod (how to) inc's sizes and whats needed
« Reply #12 on: December 23, 2011, 07:19:37 PM »
sweet  ;D when can you get a video posted??
Logged
Now - Grey Abarth Punto Evo with Sabelts
Before- White Abarth Grande Punto EsseEsse

brads91

  • Esseesse Member
  • ***
  • Posts: 147
  • APE
Re: Blow off mod (how to) inc's sizes and whats needed
« Reply #13 on: December 23, 2011, 10:38:48 PM »
i cannot find the filter on there website both part number bring back no results ???
Logged
Now - Grey Abarth Punto Evo with Sabelts
Before- White Abarth Grande Punto EsseEsse

barwell1992

  • Esseesse Member
  • ***
  • Posts: 162
Re: Blow off mod (how to) inc's sizes and whats needed
« Reply #14 on: December 23, 2011, 11:23:21 PM »
Logged
59, AGP white and red with TMC and BMC with blow off mod
Pages: [1]
« previous next »