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Posted: Fri Jan 25, 2008 4:32 pm
by Gti_Lew
Felt like ages waiting but it was only 4 days lol, love it already, just needs mapping ASAP!

Posted: Fri Jan 25, 2008 4:36 pm
by Jeff GTi
NICE SEAT IBIZA HAHA, NOT IM ONLY JOKING, LOOKS COOL MATE, HOPE YOUR ENJOYING IT, AND GET THAT HEAP OFF THE DRIVE AND YOURS ON TO IT HAHA
HAVE YOU HAD CHANCE TO FIT YOUR N75J TO IT YET, AND WHATS IT LIKE?
JEFF
OOPS, SORRY, CAPS
Posted: Fri Jan 25, 2008 4:45 pm
by Gti_Lew
thats next doors heap lol, my mum had her tf on the drive, tf.. wtf that doesnt take precedence on the drive over a Gti lol, i had to park in front of next door, our street is terrible for parking
I've not fitted my valve yet, to be honest, i think ill wait untill its mapped, i cant see it making a major difference to standard boost?
Posted: Fri Jan 25, 2008 4:57 pm
by more-bhp
In lovely red...just like mine

Posted: Fri Jan 25, 2008 4:59 pm
by Gti_Lew
on closer inspection, it appears i indeed bought the H version of the valve, how could i forget
When its on, we can swap war stories, and see how each version affects the car
for anyone wondering, this is what an N75 valve looks like, the version of the valve is on the end of the part number, in my case "H"

Posted: Fri Jan 25, 2008 5:06 pm
by KennyPOLO_Gti
Can the H not overboost ur turbo???
Posted: Fri Jan 25, 2008 5:13 pm
by Gti_Lew
there are mixed tales of both, it seems to vary with each car, guess its a suck and see mod, no harm in trying tho hey

Posted: Fri Jan 25, 2008 5:34 pm
by KennyPOLO_Gti
Yeah, think ill fit the J valve ti mine if all goes well with Jeff. Nice colour of car

Posted: Fri Jan 25, 2008 6:28 pm
by Gti_Lew
i think the H valve is more suited to the American market, but we should have a nice comparison of both through me and Jeff
"my H valve is bigger than your J"

Posted: Sat Jan 26, 2008 3:57 pm
by Harnz
hmm what is it? what does this do. if it means better performance. when can i get my hands n 1 and how much lol

Posted: Sat Jan 26, 2008 4:02 pm
by Jeff GTi
N75J - arrived from VAG parts this morning at a cost of £46.30 inc VAT and delivery - really good guys at vag parts, i always get sorted really quick with them,
n75j fitted and no limp mode, result,
my findings are
1)indeed the electrical connector is in reverse to the standead n75 valve, by fitting at the rear, but the valve is still fitted much the same, long leg to the TIP etc, the new valve has the "J" marking where the original valve has nothing
2)boost seems more aggressive now and seems to spool earlier, weather boost pressure has increased i dont know as i have no boost guage to give before and after readings
3) hard acceleration from low ish revs in all gears is significantly smoother,
4)power delivery is more progressive too,
5)throttle response, is slighty improved, as soon as you hit the go go pedal, the power is there, it also seems to make the car rev nicer on idle too, smoother.
its obviously early days and the ecu is stil to fully adjust to it and the new perameters, but after my 20 mile drive, 1/2 hard and 1/2 easy going, im liking what iv seen so far, lets hope the valve and the ecu dont grow to hating each other
hope my findings proove useful to people on here, but i must stress, these are my findings and may not be the same from engine to engine
Posted: Sat Jan 26, 2008 4:05 pm
by Harnz
thanks for that will look into gettin one of these
Posted: Sat Jan 26, 2008 6:07 pm
by Gti_Lew
nice write up, ill put my H on tommorow, but i cant see it making much differences to a standard map, maybe a few psi, who knows, we'll see