[Vwdiesel] IP Pumps

gary gbangs at cfl.rr.com
Wed Oct 11 18:20:15 EDT 2006

What would happen?
It would run like an NA engine!

The two pumps are identical with exception of the boost aneroid. An NA,
with no boost, will not actuate the aneroid, and hence, no extra fuel.

I've heard of TD pumps on NA motors quite a few times. Like it was
easier to find a TD pump over an NA pump.

Go for it and enjoy.


Finn Rod wrote:
> Me again...
> So if I put a 1987 turbo pump onto an 1988 NA engine
> what is likely to happen...
> If it runs, is going to trash it or will I be able to
> drive around for a few weeks...
> The problem on the NA..
> I've got an outboard bulb sucking on the return line
> to prime the pump...
> Turn it over, doesn't start and a 2" air "bubble"??
> runs back up the fuel "in" line when it stops turning
> over ... (I've also tried disconnecting from the
> filter and using a can of diesel instead)
> Is there a return valve in there that's getting
> stuck??
> Anyway, I havn't tried hitting it with a lump hammer
> yet, but soon...
> Pump was OK before I took it off but if I got a bit of
> air in there it was a real.... to start... Happend a
> couple of times, once ran out of fuel and gelling...
> Needed a long tow in the end.
> Any thoughts... Thanks.. 
> rod of finland
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