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View Full Version : C20let over fuelling


swedge
02-04-12, 10:02 PM
Would running Vxr injectors on a standard c20let cause it to over fuel?
autoworksnovasport
02-04-12, 10:57 PM
wouldnt have thought so there only pumping what the ecu tells them to
Stuart
02-04-12, 11:03 PM
Depends if they flow more for a given opening duration...... Which I would imagine they do with the same fuel pressure.
Will F
03-04-12, 08:43 AM
Yes - we fitted a set on a P2 let and it really didnt like it....
swedge
03-04-12, 10:15 AM
My mate has a mk3 Astra with a c20let in it and he thinks it's over fuelling it's standard apart from the injectors
John
03-04-12, 10:28 AM
Yes. Leh injectors on a standard let (c or z) will cause fuelling issues.
Stuart
03-04-12, 10:32 AM
My mate has a mk3 Astra with a c20let in it and he thinks it's over fuelling it's standard apart from the injectors


lmfao.... why oh why oh why do people insist on fitting higher flowing injectors with NO other mods... more fuel won't make it any faster!
bazil
03-04-12, 10:37 AM
What if you fit a K+N induction filter? Surely that'll balance it out ??


Edit, I'm not being serious
swedge
03-04-12, 11:23 AM
lmfao.... why oh why oh why do people insist on fitting higher flowing injectors with NO other mods... more fuel won't make it any faster!

I know I said this to him, he bought the car like that a few years ago and it sat like that since then, it's Arden blue with cream interior had a big thread on mk3oc I think private plate on it too
mowgli
03-04-12, 11:46 AM
lmfao.... why oh why oh why do people insist on fitting higher flowing injectors with NO other mods... more fuel won't make it any faster!

but it must do, and an uprated pump is bound to make more power too, cos its uprated.....(for uprated, read painted a funny colour & put in a different box)
Stuart
03-04-12, 11:48 AM
I know I said this to him, he bought the car like that a few years ago and it sat like that since then, it's Arden blue with cream interior had a big thread on mk3oc I think private plate on it too



ahhh hardon blue, thats why it needs VXR injectors...
swedge
03-04-12, 11:55 AM
This is it

http://i228.photobucket.com/albums/ee127/swedge87/f4817547.jpg
Stuart
03-04-12, 12:27 PM
yeah, that looks like it needs VXR injectors, you can tell by the colour and lowness
Mieran
03-04-12, 12:34 PM
I remember that car.

Tell him to put standard yellows back in
mowgli
03-04-12, 12:46 PM
yeah, that looks like it needs VXR injectors, you can tell by the colour and lowness

http://i228.photobucket.com/albums/ee127/swedge87/f4817547.jpg

but at that angle, all the fuel will drain back to the tank
swedge
03-04-12, 01:02 PM
Yeah ir told him that, if he fitted a eds phase 2 chip he could keep the injectors? He has a frontera intercooler does the fuel pressure need put up for phase2
Mieran
03-04-12, 01:06 PM
You're suppose to run ph2 on standard injectors and 3.5 bar FPR
swedge
03-04-12, 01:08 PM
Right it's over heating too so gonna go look at it tomorrow I think the thermostat is stuck is te standard fpr 3.5bar?
Mieran
03-04-12, 01:09 PM
Standard is 3 bar
swedge
03-04-12, 01:18 PM
So a fPr is needed? Are are there any 3.5bar that fit on the rail?
Mieran
03-04-12, 01:21 PM
Regal sell direct replacement ones (just standard but squashed a little, bit of a bodge but works lol)
swedge
04-04-12, 04:08 PM
well had a look at it today, it has light blue injectors on it which seem to be vxr so if anyone has some standard injectors let me know

also the overheating problem, i took the thermostat housing off and it was full of mush it wasnt oily mayonaise stuff more like walpaper paste

the themostat looks ****ed and was tested in boiling water and nothing happens so a new one has been ordered

he told me that it has a coscast head on it and that the previous owner said it was coscast, you shoulda seen his face when i showed him the GM stamp lol

i have 2 GM heads in my shed that are being ported and polished atm so ill sell him one of those in p/x for his GM head