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Fitting Malpassi fuel pressure regulator
vassy66T1 - March 17th, 2005 at 06:54 PM

Hey there!
I got one of these with a set of dellortos that I purchased recently. From what I can tell it is for turbocharged cars (not rising rate though).
Has anyone fitted one. I am assuming I can block off the pipe that is supposed to sense the turbo pressure/boost, and then fuel pressure will just stay at a constant.
If anyone has a set of instruction, then ye hah!!
thanks
vassy

vassy66T1 - March 17th, 2005 at 06:58 PM

notha picture of the same thing ... with all its bits showing...

ruckus - March 18th, 2005 at 03:06 PM

Yeah I'm interested too. I've got Dells but I've got the NA malpassi. I'll find a pic...


http://img.photobucket.com/albums/v498/sonorplay/Darrenscarparts004.jpg
http://img.photobucket.com/albums/v498/sonorplay/Darrenscarparts006.jpg
http://img.photobucket.com/albums/v498/sonorplay/Darrenscarparts005.jpg

vassy66T1 - March 18th, 2005 at 05:30 PM

I can't quite believe that malpassi don't have a website (or that I am too stupid to find it)!!:duh

If anyone has info it would be great.
You would think that the 'ducks nuts' of fuel pressure regulators would have a web site.

Any help appreciated
:jesus

Menangler - March 18th, 2005 at 08:04 PM

I am running the same one on my car with 48IDA's
I just blocked the outlet that usually goes to the manifold to sence boost pressure and it works fine, do you need to know what pipe goes where too?

vassy66T1 - March 18th, 2005 at 11:02 PM

That would be great, Dave.
I am assuming that it has one inlet from the side (the single) the two outlets go to dual carbs, and the under side is return to tank??
If you could confirm that would be great.
Also, how did you adjust the pressure?:D

Menangler - March 19th, 2005 at 01:58 PM

Looking at your 1st pic, The 2 pipes go to the carbs, the one on the other side is the inlet (there should be arrows showing this, nine does) the one sticking up is the return to the fuel tank, and the one pointing down on the other side of the diaphram is the pressure one, that needs to be blocked

vassy66T1 - March 19th, 2005 at 02:31 PM

Thanks Dave. Just checking I've understood (yes mine does have arrows too)
Is it like this (pic)
Is it the one on the far side that needs to be blocked?
thanks again

ruckus - March 19th, 2005 at 05:27 PM

Hope I'm not Hijacking, but looking at mine does it make any sense that way? Is the small hose in the back of mine the fuel return and therefore is it the same for yours?

I'm assuming that to fit mine to dual carbs I need to unblock the left hand side and fit the right end piece so that there are two outlets from the one regulator?

Would that mean that one of the two closest to the camera on your would need to be blocked rather than the lower (which could be the return)?

Menangler - March 19th, 2005 at 09:29 PM

Th lowest one you have marked fuel return is the boost pressure on that will be blocked off, the on on the far side is the inlet, the one pointing up is the return as you have marked it.

[Edited on 19-3-2005 by Dave Becker]

vassy66T1 - March 20th, 2005 at 12:10 AM

Cool Dave!
U R a legend:bounce