Running hot
Huw Powell
audi at humanspeakers.com
Mon Jun 1 19:29:37 PDT 2015
Weird. I think what happened is I googled what you called it, and what
turned up was a copy or knock-off of the Bosch unit.
I wonder why it is so loud? The stock pump in that car should be dead
silent, or at least no louder than the lifters ;)
- Huw
On 6/1/2015 10:04 PM, David Vanden wrote:
> It isn't a copy. It is a real Bosch! It came in A Bosch Box and it
> says Bosch right on it. I don't know where the assumption came from
> that I was using a copy.
>
> My only caveat with it is its noise level. Which makes me wonder
> whether I should drop another fifty bucks at some point when cash flow
> is better,on a silicone "silencer cradle". I wonder if they really work
> and whether they could cause it to overheat, being a relatively new and
> untested concept. Anyway, that is enough for tonight. My mind can only
> absorb so much information.
>
> On Mon, Jun 1, 2015 at 9:58 PM, Cody Forbes <cody at 5000tq.com
> <mailto:cody at 5000tq.com>> wrote:
>
> I did, you musta missed it much like I missed it being a copy rather
> than a real Bosch 044 which is what I thought he said ;-).
>
> I'm 100% certain without a doubt that a real Bosch 044/040 is CIS
> capable and that it is undoubtedly the stock pump in a 5000 Turbo.
> At EFI pressures (lower than CIS, therefore more flow) I'm still
> using the stock Bosch 040 (in tank) pump to exceed 600hp. The only
> question on his at this point is how good of a copy it is I suppose.
>
>
>
> -Cody Forbes (mobile)
>
> > On Jun 1, 2015, at 9:37 PM, Huw Powell <audi at humanspeakers.com
> <mailto:audi at humanspeakers.com>> wrote:
> >
> > Ah, Cody, why didn't you correct me before I said that twice?
> >
> > Are you sure about the pump he bought, though? I saw nothing
> about 120 PSI in the description. Keep in mind it was not a Bosch,
> but a copy, IIRC. The highest pressure mentioned was 5 bar.
> >
> > I'm pretty sure they also use a power resistor to make the low
> speed, but the ones on the small cars don't have a reputation for
> burning out. That said, there's no harm in testing it.
> >
> > - Huw
> >
> >> On 6/1/2015 9:08 PM, Cody Forbes wrote:
> >> I assure you Huw ol pal that the 044 pump is indeed proper for
> any CIS car. There's the 040 and the 044, one being the in tank
> version and one being the external version. They are identical in
> specification and rated to flow at pressures exceeding CIS system
> pressures. Again, the in tank version is the OE pump on a 5000
> Turbo. A fuel pump is a fuel pump as long as it will flow enough
> fuel at high enough pressure to let the pressure regulator do its
> job. Flow rate is inversely proportionate to pressure (as pressure
> goes up, flow rate goes down) so you've got to be sure it can flow
> enough at 120psi for CIS and the 044 pump absolutely, unequivocally,
> unquestionably, can.
> >>
> >>
> >> On the fan noise:
> >> Do these have the same big cooling fan resistor as the 5000's? I
> know on the 5000's the resistor burns out on low speed and you end
> up with only high speed which is very loud. Also on the 5000's there
> are different fan options with 3, 4, and 5 blades. The more blades
> the quieter the fan at similar flow rates. Perhaps the small chassis
> cars also have different blade quantity options to look in to?
> >>
> >> -Cody Forbes (mobile)
> >>
> >>> On Jun 1, 2015, at 8:41 PM, Huw Powell <audi at humanspeakers.com
> <mailto:audi at humanspeakers.com>> wrote:
> >>>
> >>> You might want to test your radiator fan sender doohickey (if
> that's what you mean by "new temperature sensor then you're all set).
> >>>
> >>> It's a two-speed fan, and "high" is pretty loud. "Low" is not
> so bad, but if the sender is partly bad you might have high only.
> That makes it louder, and also a bit hotter before it comes on.
> >>>
> >>> The fan should almost never come on while you are moving, but
> idling on an 80F+ day it will cycle on and off every couple of minutes.
> >>>
> >>> I'm wary of your concept of "superior", since you already put
> the wrong fuel pump in your car...
> >>>
> >>>> On 6/1/2015 8:23 PM, David Vanden wrote:
> >>>> It hasn't overheated. I refuse to drive it until I at least
> get the
> >>>> radiator cleaned and install the new temperature sensor. I
> removed the
> >>>> radiator from the car. It seems to have a lot of gook inside.
> >>>>
> >>>> I just liked the idea of a superior radiator because I get
> annoyed with
> >>>> it not running cooler and with the cooling fan coming on so
> frequently.
> >>>> I figured if there was a way to quiet the cooling fan and not
> be so
> >>>> reliant on it it would be cool
> >>>>
> >>>> On Mon, Jun 1, 2015 at 8:01 PM, Huw Powell
> <audi at humanspeakers.com <mailto:audi at humanspeakers.com>
> >>>> <mailto:audi at humanspeakers.com
> <mailto:audi at humanspeakers.com>>> wrote:
> >>>>
> >>>> This Nissen's:
> >>>>
> >>>>
> http://www.partsgeek.com/catalog/1987/audi/4000_quattro/cooling_system/radiator.html
> >>>>
> >>>> is what people have been using "forever". Direct fit, but does
> >>>> require a "universal" corrugated top hose since for some
> reason the
> >>>> hose nipple is a couple of inches further from the engine.
> >>>>
> >>>> I cut two original hoses and joined them with a stainless steel
> >>>> barbed fitting, but that's not necessary, it was just fun
> to do.
> >>>> And cheaper.
> >>>>
> >>>> I don't know if people have used the other radiator shown
> there.
> >>>>
> >>>> Has your car overheated yet?
> >>>>
> >>>> - Huw
> >>>>
> >>>>
> >>>> On 6/1/2015 6:26 PM, David Vanden wrote:
> >>>>
> >>>> This question may be perhaps rhetorical but did anyone
> install a
> >>>> Flex A
> >>>> Lite universal fit radiator, see significant
> improvement, and do
> >>>> so without
> >>>> spending a lot of money on mounting hardware?
> >>>>
> >>>> On Sun, May 31, 2015 at 11:57 PM, Andrew Buc
> <abuc at andrewbuc.com <mailto:abuc at andrewbuc.com>
> >>>> <mailto:abuc at andrewbuc.com
> <mailto:abuc at andrewbuc.com>>> wrote:
> >>>>
> >>>> Your 4kq is old enough that the odds are pretty good it
> >>>> needs a new
> >>>> radiator. I had the radiator on my ’87 4kq replaced
> 2 or 3
> >>>> years ago. In my
> >>>> case, the issue was coolant loss, not overheating
> (I started
> >>>> carrying jugs
> >>>> of coolant in the trunk and topping up as needed),
> but still.
> >>>> _______________________________________________
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